2015
280 X.-M. Shen, Z.-Y. He, S. Liu, Y.-H. Zhang, D. J. Smith, and M. R. McCartney, "Determination of Heterointerface Band Alignments in nBn Photodetectors Using Off-Axis Electron Holography", Annual Meeting of APS Four Corner Session, Tempe, AZ, October 16-17, 2015.
279 X.-H. Zhao, S. Liu, C. M. Campbell, M. B. Lassise, Y. Zhao, Y.-S. Kuo, and Y.-H. Zhang, "Ultra-long minority carrier lifetime and ultra-low interface recombination velocity in CdTe/MgCdTe double heterostructures grown by molecular beam epitaxy", Annual Meeting of APS Four Corner Session, Tempe, AZ, October 16-17, 2015.
278 E. Suarez, S. Liu, X.-H. Zhao, Y. Zhao, J. Becker, M. Lassise, Y.-S. Kuo, and Y.-H. Zhang, "ZnTe:P/CdTe Superlattice Window for CdTe Solar Cell on InSb Substrates", Annual Meeting of APS Four Corner Session, Tempe, AZ, October 16-17, 2015.
277 P. T. Webster, A. J. Shalindar, N. A. Riordan, C. Gogineni, H. Liang, A. R. Sharma, and S. R. Johnson, "Design and performance of mid and long infrared III-V semiconductor superlattice materials", Annual Meeting of APS Four Corner Session, Tempe, AZ, October 16-17, 2015.
276 S. Liu, X.-H. Zhao, Y. Zhao, J. Becker, C. Campbell, M. Lassise, Y.-S. Kuo, M. DiNezza, E. Suarez, and Y.-H. Zhang, "Improving CdTe solar cell efficiency through novel heterostructures", Material Science Technology Conference (invited), Colombus, OH, October 4-8, 2015.
275 X.-H. Zhao, S. Liu, C. M. Campbell, M. B. Lassise, Y. Zhao, Y.-S. Kuo, and Y.-H. Zhang, "CdTe/MgCdTe double heterostructures with very long minority carrier lifetime and low interface recombination velocity", the U.S. workshop on the physics and chemistry of II-VI materials, Chicago, IL, October 5-8, 2015.
274 J. Becker, Y.-S, Kuo, S. Liu, Y. Zhao, X.-H Zhao, P.-Y. Su, I. Bhat, and Y.-H. Zhang, "Monocrystalline ZnTe/CdTe/MgCdTe double heterostructure solar cells", the U.S. workshop on the physics and chemistry of II-VI materials, Chicago, IL, October 5-8, 2015.
273 S. Liu, X.-H. Zhao, C. Campbell, M. Lassise, Y. Zhao, and Y.-H. Zhang, "Ultra long carrier lifetime and low interface recombination velocity in CdTe/MgCdTe double heterostructures", 31st North American Molecular Beam Epitaxy Conference, Cancun, Mexico, October 4-7, 2015.
272 Z.-Y. Lin, S. Liu, and Y.-H. Zhang, "Influence of carrier localization on minority carrier lifetime in InAs/InAsSb type-II superlattices grown by molecular beam epitaxy", 31st North American Molecular Beam Epitaxy Conference, Cancun, Mexico, October 4-7, 2015.
271 X.-M. Shen, Z.-Y. He, S. Liu, Y.-H. Zhang, D. J. Smith, and M. R. McCartney, "Determination of Heterointerface Band Alignments in nBn Photodetectors Using Off-Axis Electron Holography", 31st North American Molecular Beam Epitaxy Conference, Cancun, Mexico, October 4-7, 2015.
270 P. T. Webster, A. J. Shalindar, Y.-H. Zhang, and S. R. Johnson, "Optical properties of InAsBi/InAs quantum wells", 31st North American Molecular Beam Epitaxy Conference, Cancun, Mexico, October 4-7, 2015.
269Y.-S. Kuo, Z.-Y. He, J. Becker, X.-H. Zhao, M. B. Lassise, C. M. Campbell, S. Liu, and Y.-H. Zhang, "Interface and Vertical Transport Study of CdTe/InSb Grown by MBE", 31st North American Molecular Beam Epitaxy Conference, Cancun, Mexico, October 4-7, 2015.
268 Z.-Y. Lin and Y.-H. Zhang, "A real-time baseline correction method for infrared time-resolved photoluminescence", SPIE Optics and Photonics, San Diego, CA, August 8-13, 2015.
267 P. T. Webster, A. J. Shalindar, Y.-H. Zhang, and S. R. Johnson, "Optical properties of InAsBi quantum wells and bulk layers", Bismuth-containing Semiconductors Workshop, Madison, WI, July 19-22, 2015.
266Y. Zhao, S. Liu, and Y.-H. Zhang, "Does below-bandgap absorption improve solar cell efficiency?", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
265 S. Liu, X.-H. Zhao, Y. Zhao, C. Campbell, M. Lassise, E. Suarez, and Y.-H. Zhang, "Structural and optical properties of MgxCd1-xTe alloys grown on InSb (100) substrates using molecular beam epitaxy", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
264 Y.-S. Kuo, J. Becker, S. Liu, Y. Zhao, X.-H. Zhao, P.-Y. Su, I. Bhat, and Y.-H. Zhang, "Monocrystalline ZnTe/CdTe/MgCdTe Double Heterostructure Solar Cells Grown on InSb Substrates", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
263 Y. Zhao and Y.-H. Zhang, "Simulated Performance of Monocrystalline CdTe/MgCdTe Double Heterostructure Solar Cells", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
262 X.-H. Zhao, S. Liu, C. M. Campbell, and Y.-H. Zhang, "Study of carrier lifetime degradation in (Zn)CdTe/MgCdTe double heterostructures", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
261 S. Liu, X.-H. Zhao, C. M. Campbell, M. B. Lassise, Y. Zhao, and Y.-H. Zhang, "Significantly improved interface recombination velocity and minority carrier lifetime for CdTe/MgCdTe double heterostructures", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
260 X.-H. Zhao, S. Liu, Y. Zhao, C. M. Campbell, M. B. Lassise, Y.-S. Kuo, and Y.-H. Zhang, "Optical properties of indium-doped CdTe/MgCdTe double heterostructures", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
259 S. Liu, X.-H Zhao, C. M. Campbell, M. B. Lassise, Y. Zhao, E. Suarez, and Y.-H. Zhang, "MgxCd1-xTe for II-VI/Si tandem solar cell applications", IEEE Photovoltaic Specialists Conference, New Orleans, LA, June 14-19, 2015.
258 Z.-Y. Lin, J. Fan, S. Liu, and Y.-H. Zhang, "Photoluminescence study of carrier recombination processes in InAs/InAsSb type-II superlattices", SPIE Defense+ Security Conference, Toulouse, France, September 21-24, 2015.
257 E. H. Steenbergen, Z.-Y. Lin, S. Elhamri, W. C. Mitchel, Y.-H. Zhang, R. Kaspi, "Effects of AlSb interfaces on InAs/InAsSb type-II infrared superlattice material properties", SPIE Defense+ Security Conference, Toulouse, France, September 21-24, 2015.
256 P. T. Webster, A. J. Shalindar, J. Lu, N. A. Riordan, S. Liu, E. H. Steenbergen, R. A. Synowicki, D. J. Smith, Y.-H. Zhang, and S. R. Johnson, "Molecular beam epitaxy growth of III-V materials at the GaSb lattice constant using bismuth both as an alloy constituent and as a surfactant", Lawrence Workshop on Epitaxy (invited), Tempe, AZ, February 26-27, 2015.
2014
255 Y.-S. Kuo, J. Becker, Y. Zhao, M. J. DiNezza, X.-H. Zhao, S. Liu, C. Campbell, X. Liu, J. K. Furdyna, and Y.-H. Zhang, “Monocrystalline ZnTe/CdTe/MgCdTe double heterostructure solar cells grown on InSb using MBE”, U.S. Workshop on the Physics & Chemistry of II-VI materials, Baltimore, MD, Oct. 21-23, 2014.
254 X.-H Zhao, M. J. DiNezza, S. Liu, Y.-S. Kuo, C. Campbell, Y. Zhao, and Y.-H Zhang, "Low interface recombination velocity in MBE grown CdTe/MgCdTe double heterostructures", U.S. Workshop on the Physics & Chemistry of II-VI materials, Baltimore, MD, Oct. 21-23, 2014.
253 P. T. Webster, J. Lu, N. A. Riordan, E. H. Steenbergen, S. Liu, D. J. Smith, Y.-H. Zhang, and S. R. Johnson, "Optical Properties of InAs/InAsSb Superlattices Grown With and Without Bi as a Surfactant", presented at 18th International MBE Conference, Flagstaff, AZ, September 8-12, 2014.
252 M. J. DiNezza, Y.-S. Kuo, J. Becker, Y. Zhao, X.-H. Zhao, S. Liu, C. Campbell, X. Liu, J. K. Furdyna, and Y.-H. Zhang, "Monocrystalline ZnTe/CdTe/MgCdTe Double Heterostructure Solar Cells Grown on InSb using MBE", presented at 18th International MBE Conference, Flagstaff, AZ, September 8-12, 2014.
251 S. Liu, Y. Zhao, Y.-S. Kuo, and Y.-H. Zhang, "Optical and Vertical Transport Properties of ZnSe/GaAs Heterovalent Structures for Photovoltaic Applications", presented at 18th International MBE Conference, Flagstaff, AZ, September 8-12, 2014.
250 M. J. DiNezza, X.-H Zhao, S. Liu, E. G. LeBlanc, P. Jayathilaka, O. C. Noriega, T. H. Myers, and Y.-H. Zhang, "CdTe/MgCdTe Double Heterostructures Grown on InSb for Photovoltaic Devices", presented at 18th International MBE Conference, Flagstaff, AZ, September 8-12, 2014.
249 Z.-Y. Lin, X.-M. Shen, S. Liu, H. Li, J. D. Justice, T. Detchprohm, R. D. Dupuis, D. J. Smith, and Y.-H. Zhang, "Comparison on Structural and Optical Properties of Strain-Balanced InAs/InAsSb Type-II Superlattices Grown by MBE and MOCVD on GaSb Substrates", presented at 18th International MBE Conference, Flagstaff, AZ, September 8-12, 2014.
248 J. Lu, M.J. DiNezza, X.-H. Zhaoi, S. Liu, Y.-H. Zhang, and D.J. Smith, “TEM study of defects and interfaces of epitaxial CdTe and InSb layers grown on InSb(001) substrates, presented at International MBE Conference”, presented at International MBE Conference, Flagstaff, September 8-12, 2014.
247 J. Lu, P.T. Webster, S. Liu, S.R. Johnson, Y.-H. Zhang, and D.J. Smith, “Investigation of Bi incorporation and droplet formation in MBE-grown InAsBi by transmission electron microscopy”, presented at International MBE Conference, Flagstaff, September 8-12, 2014.
246 J. Lu, X.-M. Shen, Y.-H. Zhang, and D.J. Smith,“Quantitative study of compositional uniformity abd interfacial starin in InAs/InAsxInAsSb1-x Type-II superlattices”, presented at Microscopy and Microanalysis 2014, Hartford, CT, August 2-6, 2014.
245 Zhao-Yu He, Oray O. Cellek, Shi Liu, Xiao-Meng Shen, Zhi-Yuan Lin, and Yong-Hang Zhang, "Mid-wave infrared nBn photodetectors using InAs/InAsSb type-II superlattices" Quantum Strcutured Infrared Photodetector International Conference, Santa Fe, NM, July 2014
244 Xin-Hao Zhao, Michael J. DiNezza, Shi Liu, Pathiraja A. R. D. Jayathilaka, Odille C. Noriega, Thomas H. Myers, and Yong-Hang Zhang, "Temperature-dependent time-resolved photoluminescence study of monocrystalline CdTe/MgCdTe double heterostructures with low defect density", 40th IEEE Photovoltaics Specialist Conference, Denver, Jun. 8-13, 2014.
243 S. Liu, W. Yang, J. Becker, Y.-S. Kuo, and Y.-H. Zhang, "Characterization and analysis of ultra-thin GaAs single-junction solar cells with reflective back scattering", 40th IEEE Photovoltaic Specialist Conference, Denver, Jun. 8-13, 2014
242 J. Becker, Y.-S. Kuo, and Y.-H. Zhang, "Increased Radiation Hardness in Ultra-Thin GaAs Single-Junction Solar Cells", 40th IEEE Photovoltaic Specialist Conference, Denver, Jun. 8-13, 2014
241 Jacob Becker, Ying-Shen Kuo, and Yong-Hang Zhang. "Ultra-Thin GaAs Solar Cells for Space Applications." Space Power Workshop, Manhattan Beach, May 8, 2014
240 S. Liu, W. Yang, J. Becker, Y.-S. Kuo, and Y.-H. Zhang, "Device performance of ultra-thin GaAs single-junction solar cells", SPIE Photonics West 2014, San Francisco, Feb. 1-6, 2014.
 
2013
239 S. Liu, Y.-S. Kuo, J. Becker, S. Farrell, W. Yang, M. J. DiNezza, and Y.-H. Zhang, "Double-layer anti-reflection coating designs for GaAs based solar cells", 2013 OSA Optics & Photonics Congress Renewable Energy and the Environment, Tucson, Nov. 3-6, 2013.
238 Xin-Hao Zhao, Michael DiNezza, Jing Lu, Shi Liu, David Smith, Yong-Hang Zhang, "Structural and optical properties of CdTe/MgCdTe single and double heterostructures grown on InSb using MBE", The 2013 II-VI workshop, Chicago, Oct. 2013
237 S. Liu, Y.-S. Kuo, J. Becker, S. Farrell, W. Yang, M. J. DiNezza, and Y.-H. Zhang, "Conductive ZnSe as an anti-reflection coating and window layer for GaAs based solar cells", 30th North American Molecular Beam Epitaxy Conference, Banff, Canada, Oct. 5-11, 2013.
236 Jing Lu, Elizabeth H. Steenbergen, Xiao-Meng Shen, Shi Liu, Yong-Hang Zhang, David J. Smith, "Compositional Uniformity and Interfacial Gradient in InAs/InAs1-xSbx Type-II Superlattices by Electron Microscopy", 30th North American Molecular Beam Epitaxy Conference, Banff, Canada, Oct. 5-11, 2013.
235 M. J. DiNezza, X.-H. Zhao, S. Liu and Y.-H. Zhang, “MBE growth and photoluminescence study of CdTe/CdMgTe double heterostructures on InSb substrates,” 30th North American Molecular Beam Epitaxy Conference, Banff, Canada, Oct. 5-11, 2013.
234 A. P. Kirk, M. J. DiNezza, S. Liu, X.-H. Zhao, Y.-H. Zhang, CdTe vs. GaAs Solar Cells – A Modeling Case Study with Preliminary Experimental Results, 39th IEEE Photovoltaics Specialist Conference, Tampa, June 2013.
233 S. Liu, J. Becker, S. Farrell, W. Yang, and Y.-H. Zhang, High-performance SiO2/ZnSe Anti-reflection Coating for Solar Cells, 39th IEEE Photovoltaics Specialist Conference, Tampa, June 2013.
232 J.-J. Li, Y. Zhao, and Y.-H. Zhang, Optimization of light absorption and carrier collection paths in thin film solar cells, 39th IEEE Photovoltaics Specialist Conference, Tampa, June 2013.
231 W. Yang, J.-J. Li, J. Becker, S. Liu, B. Landini, Y.-S. Kuo, Y. Zhao, K. Campman, and Y.-H. Zhang, Ultra-thin GaAs single-junction solar cells integrated with a reflective back scattering AlInP layer, 39th IEEE Photovoltaics Specialist Conference, Tampa, June 2013.
230 S. Liu, J.-J. Li, W. Yang, J. Becker, B. Landini, K. Campman, and Y.-H. Zhang, Modeling and demonstration of high efficiency crystalline thin-film GaAs solar cells, Photovoltaic Technical Conference - Thin Film & Advanced Silicon Solutions, France, May 2013.
229 Z.-Y. He, O. O. Cellek, S. Liu, H. S. Kim, J. Fan, Z.-Y. Lin, and Y.-H. Zhang, Designs and Characteristics of Infrared nBn Photodectors based on InAs/InAsSb Type-II Superlattices, SPIE Defense, Security, and Sensing, Baltimore, 29 April - 3 May, 2013.
228 J. Fan, Z.-Y. Lin, O. O. Cellek, S. Liu, and Y.-H. Zhang, Study of Shockley-Read-Hall, radiative, and Auger recombination processes in InAs/InAsSb type-II superlattices, SPIE Defense, Security, and Sensing, Baltimore, 29 April - 3 May, 2013.
227 J.-J. Li and Y.-H. Zhang, Accurate measurement of external quantum efficiency of multi-junction solar cells, Space Power Workshop, Manhattan Beach, CA, April 2013
226 W. Yang, J.-J. Li, Ch. Allen, H. Cotal, C. Fetzer, S. Liu, D. Ding, S. Farrell, N. Karam, and Y.-H. Zhang, GaAs Thin-Film Single-Junction Solar Cells Integrated with a Reflective Back Scattering Structure, SPIE Photonics West, San Francisco, Feb. 2-8, 2013.
225 O. O. Cellek, Z.-Y. He, Z.-Y. Lin, H. S. Kim, S. Liu, and Y.-H. Zhang, InAs/InAsSb type-II superlattice infrared nBn photodetectors and their potential for operation at high temperatures, SPIE Photonics West, San Francisco, Feb. 2-8, 2013.
 
2012
224 X.-M. Shen, H. Li, S. Liu, D. J. Smith, and Y.-H. Zhang, Structural characterization of InAs/InAs1-xSbx type-II superlattices grown by molecular beam epitaxy, The 29th NAMBE Conference, 14-17 October, 2012. (Best poster award)
223 P. T. Webster, A. R. Sharma, H. Liang, N. A. Riordan, O. O. Cellek, E. H. Steenbergen, X.-M. Shen, H. Li, S. Liu, D. Ding, Q. Zhang, Y.-H. Zhang, and S. R. Johnson, Investigation of the Mid and Long IR Optical Properties of Type-II InAs/InAsSb Superlattices using Spectroscopic Ellipsometry, The 29th NAMBE Conference, 14-17 October, 2012.
222 S. Liu, H. Li, O.O. Cellek, D. Ding, X.-M. Shen, E. H. Steenbergen, J. Fan, Z.-Y. Lin, Z.-Y. He, Q. Zhang, M. J. DiNezza, W. Hank G. Dettlaff, J.-J. Li, P. T. Webster, S. R. Johnson, D. J. Smith, and Y.-H. Zhang, Influence of V/III ratios and substrate temperature on the growth of InAs/ InAsSb type-II superlattices by molecular beam epitaxy, The 29th NAMBE conference, 14-17 October, 2012.
221 J. Fan, X. Liu, M. DiNezza, R. Pimpinella, J. K. Furdyna, and Y.-H. Zhang, ZnTe/GaSb distributed Bragg reflectors grown by MBE, The 17th International Conference on Molecular Beam Epitaxy, 23-28 September, 2012.
220 H. Li, D. Ding, O.O. Cellek, S. Liu, X.-M. Shen, E. H. Steenbergen, J. Fan, Z.-Y. Lin, Z.-Y. He, Q. Zhang, M. J. DiNezza, W. Hank G. Dettlaff, J.-J. Li, P. T. Webster, S. R. Johnson, D. J. Smith, and Y.-H. Zhang, Molecular beam epitaxy growth of InAs/InAsSb type-II superlattices for infrared applications, The 17th International Conference on Molecular Beam Epitaxy, 23-28 September, 2012.
219 P. T. Webster, N. A. Riordan, H. Liang, O. O. Cellek, E. H. Steenbergen, X.-M. Shen, H. Li, S. Liu, D. Ding, Q. Zhang, Y.-H. Zhang, and S. R. Johnson, Absorption Coefficient of Type-II InAs/InAsSb Superlattices Measured using Spectroscopic Ellipsometry, The 39th International Symposium on Compound Semiconductors, 27-30 August, 2012.
218 H. S. Kim, O. O. Cellek, Z. Lin, Z.-Y. He, X.-H. Zhao, H. Li, S. Liu, and Y.-H. Zhang, Infrared photodetectors based on MWIR and LWIR InAs/InAsSb superlattices, SPIE Optics + Photonics, 12-16 August 2012.
217 E. H. Steenbergen, B. C. Connelly, G. D. Metcalfe, H. Shen, M. Wraback, D. Lubyshev, Y. Qiu, J. M. Fastenau, A. W. K. Liu, S. Elhamri, O.O. Cellek, and Y.-H. Zhang, Temperature-dependent minority carrier lifetime of InAs/InAs1-xSbx type-II superlattices, SPIE Optics + Photonics, 12-16 August 2012.
216 E. H. Steenbergen, O. O. Cellek, H. Li, S. Liu, X. Shen, H. S. Kim, Z. Lin, L. Ouyang, D.J. Smith, S.R. Johnson, Yong-Hang Zhang, InAs/InAsSb superlattices: a promising alternative type-II superlattice material for infrared detection, Quantum Structured Infrared Photodetector International Conference (QSIP 2012), Corsica (France), June 17-22, 2012.
215 O. O. Cellek, E. H. Steenbergen, H. S. Kim, Y.-H. Zhang, and J. L. Reno, Device Characteristics of Optically-addressed Infrared Photodetectors, Quantum Structured Infrared Photodetector International Conference (QSIP 2012), Corsica (France), June 17-22, 2012.
214 J. Fan, X. Liu, L. Ouyang, D. J. Smith, J. K. Furdyna, and Y.-H. Zhang, GaSb/ZnTe and ZnTe/GaSb/ZnTe heterostructures grown on GaSb, Electronic Materials Conference, June 20-22, 2012. 
213 W. Yang, C. Allen, J.-J. Li, H. Cotal, C. Fetzer, S. Liu, D. Ding, S. Farrell, Z.-Y. He, H. Li, H. Dettlaff, N. Karam, and Y.-H. Zhang, Ultra-Thin GaAs Single-Junction Solar Cells Integrated with Lattice-Matched ZnSe as a Reflective Back Scattering Layer, 38th IEEE Photovoltaic Specialists Conference (PVSC), Austin, June 2012.
212 S. Liu, D. Ding, Shane R. Johnson, and Y.-H. Zhang, Efficiency improvement of GaAs single-junction solar cell via optical design approaches, 38th IEEE Photovoltaic Specialists Conference (PVSC), Austin, June 2012.
211 J.-J. Li and Y.-H. Zhang, Elimination of measurement artifacts of external quantum efficiency of multi-junction solar cells using a pulsed light bias, 38th IEEE Photovoltaic Specialists Conference (PVSC), Austin, June 2012.
210 Y. Huang, J.-H. Ryou, R. D. Dupuis, E. H. Steenbergen, J. Fan, Y.-H. Zhang, D. Zuo, B. Kesler, S.-L. Chuang, H. Hu, K. H. Kim, Y.-T. Lu, K.-C. Hsieh, and J.-M. Zuo, Growth of InAs/GaSb and InAs/InAsSb type-II superlattice photodiodes on GaSb and InAs substrates by metalorganic chemical vapor deposition,” 16th International Conference of Metalorganic Vapor Phase Epitaxy (ICMOVPE XVI), Busan, Korea, May 2012.
209 X. Liu, J. K. Furdyna, J. Fan, L. Ouyang, D. J. Smith, D. Ding and Y.-H. Zhang, Growth and material properties of ZnTe/GaSb heterostructures for optoelectronic device applications, The International Symposium on Photonics and Optoelectronics (SOPO 2012), Shanghai, May 21-25, 2012.
208 J.-J. Li and Y.-H. Zhang, Accurate measurement of the external quantum efficiency of multi-junction solar cells, oral presentation at CLEO, San Jose, 6-11 May 2012.
207 O. O. Cellek, H. S. Kim, E. H. Steenbergen, H. Li, Z. Lin, S. Liu, Y.-H. Zhang, MWIR and LWIR photodetectors made of InAs/InAsSb Type-II Superlattices, SPIE Defense, Security, and Sensing, Baltimore, 23 - 27 April 2012.
206 E. H. Steenbergen, O. O. Cellek, H. Li, X. Shen, Z. Lin, D. Ding, S. Liu, Q. Zhang, H. S. Kim, L. Ouyang, J. Fan, Z. He, P. Webster, S. R. Johnson, D. J. Smith, Y.-H. Zhang, InAs/InAsSb Type-II Superlattice: A Promising Material for Long Wavelength Infrared Applications, SPIE Defense, Security, and Sensing, Baltimore, 23 - 27 April 2012.
205 J.-J. Li, S. Liu, S. H. Lim, C. R. Allen, Y.-H. Zhang, A novel method to eliminate the artifacts in external quantum efficiency measurements on multi-junction solar cell, SPIE Photonics West, San Francisco, Jan. 21-26, 2012.
204 S. Liu, D. Ding, S. R. Johnson, Y.-H. Zhang, Optimal optical designs for GaAs single-junction solar cells, SPIE Photonics West, San Francisco, Jan. 21-26, 2012.
203 O. O. Cellek, Y.-H. Zhang, Optically addressed multiband photodetector for infrared imaging applications, SPIE Photonics West, San Francisco, Jan. 21-26, 2012.
202 E. H. Steenbergen, O. O. Cellek, Y.-H. Zhang, Valance band offset study for InAs/InAsSb superlattice infrared photodetectors, SPIE Photonics West, San Francisco, Jan. 21-26, 2012.
 
2011
201 D. Ding, S. R. Johnson, S.-Q. Yu, S.-N. Wu, and Y.-H. Zhang, A semi-analytical model for semiconductor solar cells, International Workshop on 6.1 Å II-VI and III-V Materials and Their Integration, Tempe, Nov. 8-9, 2011.
200 Q. Zhang, X. Liu, M. J. DiNezza, W. H. Dettlaff, J. Fan, D. Ding, K. Furdyna, Y.-H. Zhang, Influence of Te/Zn Flux Ratio on doping in ZnTe Grown by MBE on GaSb substrates, 15th International Conference on II-VI Compounds, Mayan Riviera, Mexico, Aug., 2011.
199 M. J. DiNezza, X. Liu, Q. Zhang, D. Ding, J. Fan, J. K. Furdyna, and Y.-H. Zhang, Aluminum diffusion in ZnTe films grown on GaSb substrates for n-type doping, 15th International Conference on II-VI Compounds, Mayan Riviera, Mexico, 2011.
198 J. Fan, B. C. Green, X. Liu, D. Ding, J. K. Furdyna, and Y.-H. Zhang, ZnTe/GaSb/ZnTe double-heterostructure for optoelectronic devices, 15th International conference on II-VI compounds, Mayan Riviera, Mexico, 2011.
197 Q. Zhang, X. Liu, M. J. DiNezza, J. Fan, J. K. Furdyna, Y.-H. Zhang, Effect of Te/Zn flux ratio on ZnTe grown on GaSb substrates, 28th North American Molecular Beam Epitaxy conference, San Diego, 2011.
196 X. Liu, D. J. Smith, H. Cao, Y. P. Chen, J. Fan, Y.-H. Zhang, R. E. Pimpinella, M. Dobrowolska, and J. K. Furdyna, Characterizations of Bi2Te3 and Bi2Se3 topological insulators grown by MBE on (100) GaAs substrates, 28th North American Molecular Beam Epitaxy conference, San Diego, 2011.
195 J. Fan, X. Liu, D. Ding, J. K. Furdyna, and Y.-H. Zhang, Molecular beam epitaxy growth of GaSb on ZnTe, 28th North American Molecular Beam Epitaxy conference, San Diego, 2011.
194 L. Ouyang, E.H. Steenbergen, K. Nunna, D.L. Huffaker, Y.-H. Zhang, and David J. Smith, Structural properties of InAs/InAs1-xSbx type-II superlattices grown by MBE, 28th North American Molecular Beam Epitaxy conference, San Diego, 2011.
193 J.-J. Li, X. Liu, S. Liu, D. Ding, J. K. Furdyna and Y.-H. Zhang, Optical properties of MBE-grown CdTe-CdSe type-II superlattices, North American Molecular Beam Epitaxy Conference, San Diego, Aug 14-17, 2011.
192 E.H. Steenbergen, K. Nunna, B. Ullrich, L. Ouyang, D.J. Smith, D.L. Huffaker and Y.-H. Zhang, InAs/InxAs1-xSb type-II superlattices for long-wavelength infrared applications, 28th North American Molecular Beam Epitaxy conference, San Diego, Aug. 2011.
191 X. Liu, D. J. Smith, J. Fan, Y.-H. Zhang, H. Cao, Y. P. Chen, B. J. Kirby, N. Sun, S. T. Ruggiero, J. Leiner, R. E. Pimpinella, J. Hagmann, K. Tivakornsasithorn, M. Dobrowolska, and J. K. Furdyna, Topological Insulators Bi2Te3 and Bi2Se3 Grown by MBE on (001) GaAs Substrates, the 15th International Conference on Narrow Gap Systems, Blacksburg, Aug. 2011.
190 E.H. Steenbergen, Y. Huang, J.-H. Ryou, R.D. Dupuis, and Y.-H. Zhang, Optical properties of strain balanced InAs/InxAs1-xSb type-II superlattices, the 15th International Conference on Narrow Gap Systems, Blacksburg, Aug. 2011.
189 C. Gogineni, N. A. Riordan, X. Lu, D. Ding, Y.-H. Zhang, T. Tiedje, S. R. Johnson, Photoluminescence Characterization of GaAsBi Quantum Wells Grown on GaAs, International Workshop on Bismuth-Containing Semiconductors: Theory, Simulation and Experiment, Surrey, UK, July 2011.
188 J.-J. Li, S. Wang, X. Liu, V. D’costa, D. Ding, J. K. Furdyna, and Y.-H. Zhang, Photoluminescence of a CdSe/CdTe type-II superlattice, The Int. Conf. on Luminescence & Optical Spectroscopy of Condensed Matter, Ann Arbor, June 27-July 1, 2011.
187 J.-J. Li, S. H. Lim, C. R. Allan, and Y.-H. Zhang, Combined effects of shunt and luminescence coupling on external quantum efficiency measurements of multi-junction solar cells, 37th IEEE Photovoltaic Specialists Conference (PVSC), June 2011.
186 S. H. Lim, C. R. Allen, P. Joshi, D. Ding, X. Liu, J. K. Furdyna, and Y.-H. Zhang, Cascaded tunnel diode incorporating InAs/GaSb broken gap interface for multi-junction solar cells, 37th IEEE Photovoltaic Specialists Conference (PVSC), June 2011.
185 S. H. Lim, J.-J. Li, C. R. Allan, and Y.-H. Zhang, Characterization and modeling of spontaneous emission efficiency of forward biased multi-junction solar cells, 37th IEEE Photovoltaic Specialists Conference (PVSC), June 2011.
184 C. R. Allen, S. H. Lim, J.-J. Li and Y.-H. Zhang, Simple method for determining luminescence coupling in multi-junction solar cells, 37th IEEE Photovoltaic Specialists Conference (PVSC), June 2011.
183 C. R. Allen, S. H. Lim, J.-J. Li and Y.-H. Zhang, II-VI/III-V integration for next generation multi-junction solar cells, 37th IEEE Photovoltaic Specialists Conference (PVSC), June 2011.
182 C. R. Allen, S. Liu, and Y.-H. Zhang, II-VI/III-V Integration for Next Generation Multi-junction Solar Cells, 37th IEEE Photovoltaic Specialists Conference (PVSC), June 2011.
181 O.O. Cellek, E.H. Steenbergen and Y.-H. Zhang, New concept for optically-addressed two-terminal multi-color detector, 4th Space Based Sensing and Protection Conference, Kirtland, 2011.
180 E.H. Steenbergen, L. Ouyang, D.J. Smith, Y. Huang, J.-H. Ryou, R.D. Dupuis and Y.-H. Zhang, Strain-balanced type-II InAs/InAsSb superlattices for infrared photodetectors, 4th Space Based Sensing and Protection Conference, Kirtland, May 2011.
179 J.-J. Li and Y.-H. Zhang, Effects of lateral current flow on the performance of concentrator solar cells, 7th International Conference on Concentrating Photovoltaic Systems, Las Vegas, 2011.
178 N. Hossain, K. Hild, S. R. Jin, S. J. Sweeney, S-Q. Yu, S. R. Johnson, D. Ding, and Y.-H. Zhang, Temperature Dependence and Physical Properties of GaAsSb/GaAs QW Lasers, SPIE Photonics West, San Francisco, 2011.
177 J.-J. Li, D. Ding, S. Wang, X. Liu, J. K. Furdyna and Y.-H. Zhang, Excitation-dependent photoluminescence of a CdSe/CdTe type-II superlattice for solar cell applications, SPIE Photonics West, San Francisco, 2011.
176 S. H. Lim, J.-J. Li, D. Ding, M. DiNezza, H. Dettlaff, Y.-H. Zhang, Luminescence coupling effects on spectral photocurrent response of multi-junction solar cells, SPIE Photonics West, San Francisco, 2011.
 
2010
175 J. Fan, V. R. D’Costa, X. Liu, D. Ding, J. K. Furdyna, J. Menendez1, Y.-H. Zhang, Structural properties and optical response of ZnTe grown on GaAs, InP, InAs and GaSb substrates, 2010 II-VI Workshop on the Physics and Chemistry of II-VI MATERIALS, New Orleans, October 26-28, 2010.
174 N. A. Riordan, C. Gogineni, Shane Johnson, X. Lu, D. Ding, Y.-H. Zhang, T. Tiedje, Photoluminescence characterization of long-wavelength GaAsBi/GaAs Quantum wells grown by molecular beam epitaxy, The 27th North American Conference on Molecular Beam Epitaxy (NAMBE), Breckenridge, Colorado, September 26-29, 2010.
173 D. Ding, X. Liu, J-J. Li, L. Ouyang, S.R. Johnson, D.J. Smith, Y.-H. Zhang, J. Fan, J. K. Furdyna, MBE Growth of 6.1-Å II-VI Semiconductors on GaSb and InAs substrates, The 27th North American Conference on Molecular Beam Epitaxy (NAMBE), Breckenridge, Colorado, September 26-29, 2010.
172 E.H. Steenbergen, V.R. D’Costa, Y. Huang, J. Fan, J.-J. Li, J.-H. Ryou, R.D. Dupuis, Y.-H. Zhang, InAs/ InAsxSb1-x Type-II Superlattices for LWIR Detectors, 10th International Conference on Mid-Infrared Optoelectronics: Materials and Devices, Shanghai, September 5-9, 2010
171 Y.-H. Zhang, J. Furdyna, X. Liu, and D. Ding, MBE growth of 6.1 Å II-VI and III-V semiconductors on GaSb substrates and their potential device applications, the 16th International Conference on MBE, Berlin, Aug. 22-27, 2010.
170 E. H. Steenbergen, M. J. DiNezza, W. H. G. Dettlaff, S. H. Lim, D. Ding, Y.-H. Zhang, Optically-biased two-terminal multicolor photodetectors, Quantum Structure Infrared Photodetector International Conference, Istanbul, Turkey, Aug 15-20, 2010.
169 L. Ouyang, X.-B. Zhang, S. Wang, X. Lu, Y.-H. Zhang, X. Liu, J. Furdyna, and D. J. Smith, Lattice-matched II-VI/III-V materials and virtual substrates for multijunction solar-cell applications, Microscopy and Microanalysis 2010, Portland, Oregon, August 1-5, 2010.
168 D. Ding, X. Liu, J. Fan, X.-F. Lu, L. Ouyang, S. R. Johnson, D. J. Smith, J. K. Furdyna, Y.-H. Zhang, 6.1-Å II-VI and III-V semiconductor integration on GaSb substrates, the 30th International Conference on the Physics of Semiconductors (ICPS), Seoul, Jul 25-30, 2010.
167 Shane Johnson, C. Gogineni, N. A. Riordan, X. Lu, D. Ding, Y.-H. Zhang, T. Tiedje, Photoluminescence Study of GaAsBi Quantum Wells Grown on GaAs, 1st International Workshop on Bismuth-Containing Semiconductors: Theory, Simulation, and Experiment, Ann Arbor, MI, July 14-16, 2010.
166 N. Hossain, I. P. Marko, J. Chamings, S. J. Sweeney, S.-Q. Yu, S. R. Johnson, D. Ding, and Y. H. Zhang, Improved Properties of GaAsSb/GaAs Quantum Well Lasers, Proceedings of UK Semiconductor, UK, 7th - 8th July 2010.
165 X. Liu, D. Ding, S. Wang, S.-N. Wu, X. Zhang, J. Fan, J.-J. Li, X. Lu, S. R. Johnson, D.J. Smith, J. K. Furdyna1, and Y.-H. Zhang, MBE growth of lattice-matched 6.1Å II-VI on GaSb substrates, Electronic Materials Conference, Notre Dame, June 23-25, 2010.
164 R. Scott, K. Leedy, B. Bayraktaroglu, D. Look, D. Ding, X. Lu, D. Smith, and Y.-H. Zhang, Influence of substrate temperature and post-deposition anneal on material properties of Ga-doped ZnO prepared by pulsed laser deposition, Electronic Materials Conference, Notre Dame, June 23-25, 2010.
163 J.-J. Li, D. Ding, S. H. Lim, Y.-H. Zhang, Contact design methodology for solar cells, 35th IEEE PVSC, Hawaii, Jun 18-25, 2010.
162 S. H. Lim, K. O’Brien, E. H. Steenbergen, J.-J. Li, and Y.-H. Zhang, Analysis of spectral photocurrent response from multijunction solar cells under variable voltage bias, 35th IEEE PVSC, Hawaii, Jun 18-25, 2010.
161 D. Ding, S. R. Johnson, and Y.-H. Zhang, A semi-analytical model for semiconductor solar cells: from fundamentals to real material limits, 35th IEEE PVSC, Hawaii, Jun 18-25, 2010.
160 J.-J. Li, D. Ding, S. H. Lim, Y.-H. Zhang, Contact optimization for solar cells, OSA SOLAR, Tucson, Jun 7-9, 2010.
159 S. H. Lim, K. O’Brien, E. H. Steenbergen and Y.–H. Zhang, Multijunction Solar Cell Characteristics under Various Light and Voltage Biasing Conditions, OSA SOLAR, Tucson, Jun 7-9, 2010.
158 V. R. D'Costa, E. H. Steenbergen, Y. Huang, J.-H. Ryou, R. D. Dupuis, Y.-H. Zhang, Infrared Dielectric Function of InAs/InAsSb Type-II Superlattices, 5th International Conference on Spectroscopic Ellipsometry, Albany, NY, May 23 - 28, 2010.
157 Xianfeng Lu, C. Gogineni, N. Riordan, S. R. Johnson, T. Tiedje, and Y.-H. Zhang, MBE Growth and optical properties of long-wavelength GaAs1-xBix alloys, Lawrence Symposium on Epitaxy 2010, Scottsdale, Arizona, February 24-26, 2010.
156 R. Scott, K. Leedy, B. Bayraktaroglu, D. Look, T. Cooper, K. Bruggeman, D. Ding, Xianfeng Lu, D. Smith, and Y.-H. Zhang, Influence of substrate temperature and post-deposition anneal on material properties of Ga-doped ZnO prepared by pulsed laser deposition, Lawrence Symposium on Epitaxy 2010, Scottsdale, Arizona, February 24-26, 2010.
155 D. Ding, S. Wang, X.-F. Lu, S. R. Johnson, Y. –H. Zhang, X. –N. Wu, X. Zhang, J. Fan, D. J. Smith, X. Liu, J. K. Furdyna, (ZnCd)(SeTe) Grown on GaSb substrates by molecular beam epitaxy for solar cell applications, Lawrence Symposium on Epitaxy 2010, Scottsdale, Arizona, February 24-26, 2010.
154 N. Hossain, S. R. Jin, S. J. Sweeney, S.-Q. Yu, S. R. Johnson, and Y.-H. Zhang Improved Performance of GaAsSb/GaAs SQW Lasers, SPIE Photonics West, San Francisco, January, 2010.
153 S.-N. Wu, S.-Q. Yu, S. R. Johnson, D. Ding, Y.-H. Zhang, Ultrahigh extraction efficiency of a semiconductor hemisphere for LED applications, SPIE Photonic West, San Francisco, January, 2010.
152 D. Ding, S. R. Johnson, S.-N. Wu, S.-Q. Yu, Y.-H. Zhang, A practical guide to photovoltaic solar cell design, SPIE Photonic West, San Francisco, January 2010.
 
2009
151 X. Zhang, S. Wang, X. Liu, D. Ding, J.-H. Tan, J. K. Furdyna, Y.-H. Zhang, and D. J. Smith, Interfaces of II-VI/III-V heterostructures for multijunction solar-cell applications, the 36th International Symposium on Compound Semiconductors, Santa Barbara, Aug./Sept., 2009.
150 N. Hossain, I. P. Marko, J. Chamings, S. J. Sweeney, S.-Q. Yu, S. R. Johnson, D. Ding, and Y. H. Zhang, Improved Properties of GaAsSb/GaAs Quantum Well Lasers, Proceedings of UK Semiconductor, 2009.
149 X. Zhang, S. Wang, X. Liu, D. Ding, J.-H. Tan, J. K. Furdyna, D. J. Smith and Y.-H. Zhang, Structural characterization of ZnTe/GaSb interface, the 26th North American Molecular beam Epitaxy Conference, Princeton University, Princeton, NJ, 2009. 
148 S. Wang, D. Ding, R. Liu, C.-Z. Ning, and Y.-H. Zhang, Aluminum Doping in ZnSexTe1-x grown by molecular beam epitaxy, the 26th North American Molecular Beam Epitaxy Conference, Princeton University, Princeton, NJ, 2009. 
147 S. Wang, D. Ding, R. Scott, J. Chen, M. DiNezza, X. Liu, J. Furdyna, and Y.-H. Zhang, CdSe/ZnTe heterojunction solar cells grown on GaSb, the 34th IEEE Photovoltaic Specialists Conference, Philadelphia, June 2009.
146 Alan R. Kost, David Rauh, Jane Bertone, Paul Willard, Barry D. Bruce, Elizabeth H. Steenbergen, Yong-Hang Zhang, Ki-Wan Jeon, and Dong-Kyun Seo, Optically tandem thin-film solar cells, the 34th IEEE Photovoltaic Specialists Conference, Philadelphia, June 2009.
145 S. Wang, D. Ding, R. Scott, J. Chen, M. DiNezza, and Y.-H. Zhang, X. Liu and J. K. Furdyna, II-VI heterostructures for multijunction solar cell applications, Space Power Workshop, Manhattan Beach, CA, April 2009.
144 S. Chung, S. R. Johnson, D. Ding, Y.-H. Zhang, D. J. Smith, M. R. McCartney, Electrostatic Potential Mapping across III-Arsenide Compound Semiconductors using Off-Axis Electron Holography, International Workshop on INSIGHT in Semiconductor Device Fabrication, Metrology, and Modeling, INSIGHT-2009, Napa CA, April 2009.
143 S. R. Johnson, R. Atluri, D. Ding, S.-Q. Yu, Y.-H. Zhang, Nonradiative Losses and Cooling Performance in Semiconductor Based Luminescence Refrigerators, SPIE Photonics West, San Jose CA, January 2009.
 
2008
142 D. Ding, S.-N. Wu, S. Wang, S. R.  Johnson, S.-Q. Yu, X. Liu, J.K. Furdyna, Y.-H. Zhang, Multi-junction solar cells based on the integration of II/VI and III/V semiconductors, Proceedings of the IEEE Lasers and Electro-Optics Society 21st Annual Meeting,  p. 93-94, (2008).
141 Y.-H. Zhang, S.-N. Wu, D. Ding, S.-Q. Yu, S. R. Johnson, A Proposal of Monolithically Integrated Multijunction Solar Cells Using Lattice-matched II/VI and III/V Semiconductors, Proceedings of the 33rd IEEE Photovoltaic Specialists Conference, p. 30, (2008).
140 S. Wang, X. Liu, D. Ding, S.-N. Wu, S. R. Johnson, S.-Q. Yu, J. K. Furdyna, Y.-H. Zhang, Lattice-Matched ZnTe and CdZnTe/ZnTe Heterostructures Grown on GaSb for Multijunction Solar Cell Applications, Proceedings of the 33rd IEEE Photovoltaic Specialists Conference (2008).
139 S. Wang, S.-N. Wu, D. Ding, X. Liu, X.-B. Zhang, D. J. Smith, S.-Q. Yu, S. R. Johnson, J. K. Furdyna, Y.-H. Zhang, A Novel Approach for Ultrahigh Efficiency Monolithically-Integrated Multijunction Solar Cells using II/VI and III/V Materials, 23rd European Photovoltaic Solar Energy Conference Proceedings, p. 30 (2008).
138 X. Zhang, S. Wang, D. Ding, X. Liu, J.-H. Tan, J. K. Furdyna, Y.-H. Zhang and D. J. Smith, Structural characterization of II-VI and III-V materials for solar cell applications, US Workshop on the Physics and Chemistry of II-VI Materials, Las Vegas, Nov., 2008.
137 S. J. Sweeney, K. Hild, I. P. Marko, S.-Q. Yu, S. R. Johnson Y.-H. Zhang, Thermal Characteristics of 1.3 µm GaAsSb/GaAs-based Edge- and Surface-emitting Lasers, 21st IEEE International Semiconductor Laser Conference, Sorrento, Italy, September 2008.
136 B. Padmanabhan, A. Ashok, D. Vasileska and Y.-H.Zhang, Drift Diffusion Modeling of Solar Cells, the 29th International Conference on the Physics of Semiconductors, Rio de Jenario, 2008.
135 S. Wang, S.-N. Wu, D. Ding, X. Liu, X.-B. Zhang, D. J. Smith, S.-Q. Yu, S. R. Johnson, J. K. Furdyna, Y.-H. Zhang, A Novel Approach for Ultrahigh Efficiency Monolithically-Integrated Multijunction Solar Cells using II/VI and III/V Materials, 23rd European Photovoltaic Solar Energy Conference, Valencia, Spain, September 2008.
134 E.H. Steenbergen, K.-W. Jeon, D.-K. Seo, A. Kost, Y.-H. Zhang, Mn-doped ZnS quantum dots for down-conversion solar cell applications, SPIE Optics and Photonics, San Diego, CA, August 2008
133 S.-N. Wu, S.-Q. Yu, D. Ding, S. R. Johnson, Y.-H. Zhang, Luminescence Coupling in Direct-Bandgap Multi-Junction Solar Cells, SPIE Optics & Photonics 2008, San Diego CA, August 2008.
132 S. Wang, D. Ding, X. Liu, X.-B. Zhang, D. J. Smith, J. K. Furdyna, and Y.-H. Zhang, MBE growth of II/VI materials on GaSb substrates for photovoltaic applications, the 15th International conference on MBE, Vancouver, Aug., 2008.
131 S. Wang, S.-N. Wu, D. Ding, X. Liu, X.-B. Zhang, D. J. Smith, S.-Q. Yu, S. R. Johnson, J. K. Furdyna, and Y.-H. Zhang, A novel approach for ultrahigh efficiency monolithically-integrated multijunction solar cells using II/VI and III/V semiconductors, 23rd European Photovoltaic Solar Energy Conference and Exhibition, Valencia, 2008.
130 S. Wang, D. Ding, X. Liu, X.-B. Zhang, D. J. Smith, J. K. Furdyna, and Y.-H. Zhang, Lattice-matched II/VI materials on 6.1 Å III/V substrates for photovoltaic applications, International Conference on Molecular Beam Epitaxy, Vancouver, 2008.
129 S. R. Johnson, D. Ding, R. Atluri, J.-B. Wang, S.-Q. Yu, Y.-H. Zhang, Measurement and Improvement of Nonradiative Losses in MBE Grown III-V Semiconductors, 15th International Conference on Molecular Beam Epitaxy, MBE XV, Vancouver, Canada, August 2008. 
128 J.-J. Li, S. Wang, J. Fan, J.-H. Tan, D. Ding, S. R. Johnson, Y.-H. Zhang, X. Liu, and J. K. Furdyna, Photoluminescence Characterization of CdTe/CdSe Superlattices Grown on GaSb for Solar Cell Applications, Electronic Materials Conference, Santa Barbara, June 2008.
127 B. C. Green, S.‐Q. Yu, S. J. Sweeney, D. Ding and Y. H. Zhang, Novel heterostructure design for increased spectral width of superluminescent diodes and dual-wavelength laser diodes, Device Research Conference, Santa Barbara, June, 2008.
126 D. Ding, S. R. Johnson, J.-B. Wang, S.-Q. Yu, Y.-H. Zhang, Measurement of Spontaneous Emission Quantum Efficiency in InGaAs/GaAs Quantum Wells, Optical Society of America, Conference on Lasers and Electro Optics/Quantum Electronics and Laser Science Conference, CLEO/QELS 2008, San Jose CA, May 2008. 
125 S.-Q. Yu, Y. Cao, S. R. Johnson, D. Ding, Y.-H. Zhang, Y.-Z. Huang, Equilateral-Triangle-Resonator Mid-Infrared Laser Diodes, Optical Society of America, Conference on Lasers and Electro Optics/Quantum Electronics and Laser Science Conference, CLEO/QELS 2008, San Jose CA, May 2008. 
124 S. Horst , S. Chatterjee, K. Hantke, P. J. Klar, I. Nemeth, W. Stolz, K. Volz, C. Bückers, A. Thränhardt, S. W. Koch, W. Rühle, S. R. Johnson, J.-B. Wang, Y.-H. Zhang, Ga(AsSb)/GaAs/(AlGa)As heterostructures: additional hole-confinement due to quantum islands, 9th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKs 9), Klink/Müritz, May 2008.
123 S. Wang, X. Liu, D. Ding, S.-N. Wu, S.-Q. Yu, S. R. Johnson, J. K. Furdyna, Y.-H. Zhang, Lattice Matched ZnTe and ZnCdTe/ZnTe Heterostructures Grown on GaSb for Multijunction Solar Cell Applications, 33rd IEEE PVSC Proceedings San Diego, 2008.  
122 Y.-H. Zhang, S.-Q. Yu, S. R. Johnson, D. Ding, S.-N. Wu, Novel Ultrahigh Efficiency Multijunction Solar Cells Using II/VI and III/V Materials Lattice Matched to GaSb or InAs Substrates, 33rd IEEE PVSC Proceedings, San Diego, 2008. 
121 Y.-H. Zhang, S.-N. Wu, S.-Q. Yu, D. Ding, S.R. Johnson, and S. Wang, X. Liu and J. K. Furdyna, A Proposed Monolithically Integrated Multijunction Solar Cell Design Using II/VI and III/V Materials Lattice Matched to GaSb or InAs Substrates, Space Power Workshop, Manhattan Beach, CA, 2008.
120 B. D. Buckner, S. R. Johnson, B. Heeg, Y.-H. Zhang, Power generation by thermally assisted electroluminescence: like laser cooling, but different, SPIE Photonics West, 2008. 
119 S. R. Johnson, D. Ding, S.-Q. Yu, Y.-H. Zhang, Fundamental Limits of Luminescence Extraction and Its Impact on Semiconductor Luminescence Refrigeration, SPIE Photonics West, 2008. 
118 S.-Q. Yu, D. Ding, N. Rider, J.-B. Wang, S. R. Johnson, Y.-H. Zhang, Fabrication and Optimization of High Extraction-Efficiency Semiconductor Optical Structures for Electroluminescence Refrigeration, SPIE Photonics West, 2008. 
117 H.-X. Liu, S.-Q. Yu, D. Ding, S. R. Johnson, Y.-H. Zhang, Nanosecond Time-Resolved Spectroscopy Measurement for Studies of Semiconductor Electroluminescence Refrigeration, SPIE Photonics West, 2008. 
116 S.-N. Wu, D. Ding, S.-Q. Yu, S. R. Johnson, Y.-H. Zhang, Impact of Photon Recycling and Spontaneous Emission Coupling on Multi-Junction Solar Cell Design, SPIE Photonics West, 2008.
115 B. C. Green, S.-Q. Yu, J.-B. Wang, D. Ding, X. Li, Y.-H. Zhang, Broad spectrum superluminescence diodes utilizing internal optical pumping of additional gain regions and separate quasi-Fermi levels, SPIE Photonics West, San Jose CA, January 2008.
 
2007
114 S. R. Johnson, D. Ding, S.-Q. Yu, Y.-H. Zhang, Theoretical Limits of Light Extraction and Its Impact on LED Wall-Plug Efficiency, SPIE Photonics Asia (2007). 
113 S. R. Johnson, D. Ding, J.-B. Wang, S.-Q. Yu, Y.-H. Zhang, A Fundamental Technique for the Measurement of Quantum Efficiency in Direct Bandgap Semiconductors, SPIE Photonics Asia, 2007.
112 S. R. Johnson, D. Ding, J.-B. Wang, S.-Q. Yu, Y.-H. Zhang, Improvement of Spontaneous Emission Quantum Efficiency in GaAs/AlGaAs Heterostructures Using Sb-Mediated Molecular Beam Epitaxy, 25th North American Conference on Molecular Beam Epitaxy, 2007. 
111 Y.-H. Zhang and J.-B. Wang, Photon recycling and power recycling for high power semiconductor lasers, 20th Annual Solid State and Diode Laser Technology Review, Los Angeles, July 2007.
110 C. Bückers, G. Blume, A. Thränhardt, C. Schlichenmaier, P. J. Klar, G. Weiser, S. W. Koch, J. Hader, J. V. Moloney, T. J. C. Hosea, S. J. Sweeney, S. R. Johnson, J.-B. Wang, Y.-H. Zhang, Optical characterisation of Ga(AsSb) heterostructures, The European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, CLEO/Europe-IQEC, 2007.
109 S. Horst, S. Chatterjee, K. Hantke, P. J. Klar, I. Nemeth, W. Stolz, K. Volz, C. Bückers, A. Thränhardt, S. W. Koch, G. Blume, G. Weiser, W. Rühle, S. R. Johnson, J.-B. Wang, Y.-H. Zhang, Strong Lateral Confinement in Ga(AsSb)/GaAs/(AlGa)As Heterostructures, Optical Society of America, Conference on Lasers and Electro-Optics (CLEO/QELS), 2007.
108 T. Tawara, H. Kamada, Y.-H. Zhang, N. I. Cade, T. Tanabe, H. Gotoh, D. Ding, S. R. Johnson, E. Kuramochi, M. Notomi, H. Nakano, Temperature Insensitive Ultra Low Threshold Lasing in Quantum-Dot Photonic-Crystal Nanocavities, Optical Society of America, Conference on Lasers and Electro-Optics (CLEO/QELS), 2007.
107 S.-Q. Yu, N. Rider, D. Ding, J.-B. Wang, S. R. Johnson, Y.-H. Zhang, Light Emitting Diodes with Extremely High Extraction-Efficiency for Electroluminescence Refrigeration, Optical Society of America, Conference on Lasers and Electro-Optics (CLEO/QELS), 2007.
106 K. O’Brien, S. J. Sweeney, A. R. Adams, S. R. Jin, C. N. Ahmad, B.N. Murdin, A. Salhi, Y. Rouillard, A. Joullie, Y. Cao, S. R. Johnson and Y.-H. Zhang, High pressure studies of type‐I GaInAsSb lasers, 8th International Conference on Mid‐Infrared Optoelectronics: Materials and Devices (MIOMD), Bad Ischl, Austria, May 2007.
105 K. Hild, I. P. Marko, S. J. Sweeney, S. R. Johnson, S. A. Chaparro, S.-Q. Yu and Y.-H. Zhang, Influence of de‐tuning and non‐radiative recombination on the temperature dependence of 1.3μm GaAsSb/GaAs VCSELs, Semiconductor and Integrated Optoelectronics conference (SIOE), Cardiff, UK, April, 2007.
104 T. Tawara, H. Kamada, Y.-H. Zhang, T. Tanabe, N. I. Cade, H. Gotoh, D. Ding, S. R. Johnson, E. Kuramochi, M. Notomi, H. Nakano, Role of Re-absorption Effect to Quality Factor in Quantum-Dot Photonic-Crystal Nanocavities, Proceedings of the 19th Conference on Indium Phosphide and Related Materials, IPRM'07, 2007.
103 D. Ding, J.-B. Wang, S. R. Johnson, S.-Q. Yu, Y.-H. Zhang, Determination of Internal Quantum Efficiency in Semiconductors Suitable for Luminescence Refrigeration, Symposium on Nano and Giga Challenges in Electronics and Photonics, NGC2007, 2007.
102 S.-Q. Yu, D. Ding, J.-B. Wang, S. R. Johnson, Y.-H. Zhang, Impact of Electronic Density of States on Electroluminescence Refrigeration, Symposium on Nano and Giga Challenges in Electronics and Photonics, NGC2007, 2007.
101 B. Heeg, J. Wang, B. D. Buckner, A. I. Khizhnyak, Y. Zhang, Thermally assisted electroluminescence: a viable means to generate electricity from solar or waste heat?, SPIE Photonics West, 2007.
100 N. Rider, S.-Q. Yu, J.-B. Wang, D. Ding, S. R. Johnson, Y.-H. Zhang, Highly Reflective Non-Alloyed Ohmic Contacts on n-type GaAs, SPIE Photonics West, 2007.
99 J.-B. Wang, D. Ding, S.-Q. Yu, S. R. Johnson, and Y.-H. Zhang, Determination of internal quantum efficiency in semiconductors suitable for luminescence refrigeration, SPIE Photonics West, 2007.
98 S. R. Johnson, D. Ding, S.-Q. Yu, J.-B. Wang, and Y.-H. Zhang, Optimal bandgap energy for optical refrigeration in semiconductors, SPIE Photonics West, 2007.
97 S.-Q. Yu, N. Rider, J.-B. Wang, D. Ding, S. R. Johnson, and Y.-H. Zhang, High extraction efficiency light emitting diodes for electroluminescence refrigeration, SPIE Photonics West, 2007.
96 S.-Q. Yu, J.-B. Wang, D. Ding, S. R. Johnson, D. Vasileska, Y.-H. Zhang, Fundamental mechanisms of electroluminescence refrigeration in heterostructure light emitting diodes, SPIE Photonics West, 2007.
95 Y.-H. Zhang, T. Tawara, N. Cade, D. Ding, T. Tanabe, E. Kuramochi, S. R. Johnson, S. C. Huang, M. Notomi, GaAs based InAs Quantum Dot Photonic Crystal Lasers, SPIE Photonics West, 2007.
 
2006
94 S. R. Johnson, J.-B. Wang, D. Ding, S.-Q. Yu, and Y.-H. Zhang, Temperature Dependent Measurements of the Nonradiative Coefficients in MBE Grown GaAs/AlGaAs Heterostructures using Excitation Dependent Photoluminescence, North American Molecular Beam Epitaxy, 2006.
93 T. Tawara, Y.-H. Zhang, D. Ding, S. R. Johnson, H. Kamada1, T. Tanabe, N. I. Cade, E. Kuramochi, M. Notomi, H. Nakano, Quality factor evaluation of photonic crystal cavities with high-density InAs/GaAs quantum dots, Japan Society of Applied Physics Autumn Meeting, 2006.
92 K. Hild, S. J. Sweeney, I. P. Marko, S. R. Jin, S. R. Johnson, S. A. Chaparro, S. Yu and Y.-H. Zhang, Temperature and Pressure Dependence of Carrier Recombination Processes in GaAsSb/GaAs Quantum Well Lasers, 12th International Conference on High Pressure Semiconductor Physics (HPSP‐XII), Barcelona, Spain, August 2006.
91 S. R. Johnson, J.-B. Wang, D. Ding, S.-Q. Yu, Y.-H. Zhang, Performance of semiconductor optical refrigerators in terms of bandgap energy and conversion efficiency, 5th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2006.
90 J.-B. Wang, D. Ding, S. R. Johnson, S.-Q. Yu, Y.-H. Zhang, Determination of internal quantum efficiency in semiconductors suitable for luminescence refrigeration, 5th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2006.
89 S.-Q. Yu, N. Rider, D. Ding, J.-B. Wang, S. R. Johnson, Y.-H. Zhang, A general device platform for semiconductor optical refrigeration, 5th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2006.
88 J.-B. Wang and Y.-H. Zhang, Comparison of Photon and Power Recycling in Semiconductor lasers, International Symposium on Compound Semiconductors, Vancouver, Canada, August 2006.
87 S.-Q. Yu, J.-B. Wang, D. Ding, N. Samal, S. R. Johnson, and Y.-H. Zhang, Gain-Peak Cavity-Mode Tuning in 1.3 micron GaAsSb/GaAs Quantum Well VCSELs, International Symposium on Compound Semiconductors, Vancouver, Canada, August 2006.
86 S. R. Johnson, D. Ding, J.-B. Wang, S.-Q. Yu, and Y.-H. Zhang, The Influence of Quantum Efficiency and Bandgap on Optical Refrigeration, International Symposium on Compound Semiconductors, Vancouver, Canada, August 2006.
85 D. Ding, S. R. Johnson, J.-B. Wang, S.-Q. Yu, and Y.-H. Zhang, Intrinsic Irreversibility in Light Emission Processes in Semiconductors, International Symposium on Compound Semiconductors, Vancouver, Canada, August 2006.
84 A. V. Ikonnikov, Yu. B. Vasilyev, S. S. Krishtopenko, V. Ya. Aleshkin, V. I. Gavrilenko, M. L. Sadowski, W. Knap, Yu. G. Sadofyev, S. R. Johnson, Y.-H. Zhang, Cyclotron resonance study of InAs/AlSb QW heterostructures in quantizing magnetic fields, 14th International Symposium Nanostructures: Physics and Technology Proceedings, 2006.
83 K. Hild, S. J. Sweeney, S. R. Jin, S. Healy, E. P. O’Reilly, S. R. Johnson, S. A. Chaparro, S. Yu and Y.-H. Zhang, Band alignment and carrier recombination in GaAsSb/GaAs quantum wells, 28th International Conference on the Physics of Semiconductors (ICPS 2006), Vienna, Austria, July 2006
82 S.-Q. Yu, D. Ding, J.-B. Wang, S. R. Johnson, and Y.-H. Zhang, Electroluminescence Refrigeration in Semiconductors, CLEO/QELS and PhAST 2006, Long Beach CA, May 2006.
81 B. Heeg, J.-B. Wang, B. D. Buckner, D. K. Johnstone, and Y.-H. Zhang, Thermally Assisted Luminescence Upconversion in Photovoltaic Applications, MRS Spring Meeting, 2006.
80 K. Hild, I. P. Marko, S. R. Jin, S. J. Sweeney, J.‐B. Wang, S. R. Johnson and Y.‐H. Zhang, Temperature and Band gap Dependence of Carrier Recombination Processes in GaAsSb/GaAs Quantum Well Lasers, European Physical Society Meeting (DPG/EPS 2006), Dresden, Germany, March 2006.
79 G. Blume, T. J. C. Hosea, S. J. Sweeney, P. J. Klar, G. Weiser, C. Bueckers, A. Thraenhardt, S. W. Koch, S. R. Johnson and Y. H. Zhang, Spectroscopic investigations of GaAsSb/GaAs structures for 1.3μm VCSEL applications, European Physical Society Meeting (DPG/EPS 2006), Dresden, Germany, March 2006.
78 J.-B. Wang, D. Ding, S.-Q. Yu, S. R. Johnson, Y.-H. Zhang, Photoluminescence Refrigeration in Semiconductors, SPIE Photonics West, San Jose CA, January 2006.
77 S.-Q. Yu, D. Ding, J.-B. Wang, S. R. Johnson, D. Vasileska, Y.-H. Zhang, Electroluminescence Refrigeration in Semiconductor Light Emitting Diodes, SPIE Photonics West, San Jose CA, January 2006.
76 Y. Cao, S.-Q. Yu, S. R. Johnson, Y. H. Zhang, Single Mode Equal Lateral Triangle Resonant Microcavity Laser Diode at 1.2 µm, SPIE Photonics West, San Jose CA, January 2006.
 
2005
75 K. Hild, S. J. Sweeney, D. A. Lock, S. Wright, J.-B. Wang, S. R. Johnson and Y.‐H. Zhang, On the thermal stability of 1.3μm GaAsSb/GaAs‐based lasers, Lasers and Electro‐Optics Annual Meeting (LEOS 2005), Sydney, Australia, October 2005.
74 K. O'Brien, S.J. Sweeney, A.R. Adams, B.N. Murdin, A. Salhi, Y. Rouillard, A. Joullié, Y. Cao, S.R. Johnson, and Y.-H. Zhang, Low threshold 2.37µm InGaAsSb/GaSb QW lasers: The ideal Quantum Well laser?, the 12th International Conference on Narrow Gap Semiconductors, Toulouse, France, July 2005.
73 K.V. Marem’yanin, K.E. Spirin, A.V. Ikonnikov, S.V. Morozov, V. Ya Aleshkin, V.I. Gavrilenko, Yu G. Sadofyev, J.P. Bird, S.R. Johnson, Y.–H. Zhang, Spectral study of persistent photoconductivityin InAs/AlSb QW heterostructures, the 12th International Conference on Narrow Gap Semiconductors, Toulouse, France, July 2005.
72 A. Ikonnikov, V. Gavrilenko, Y. Sadofyev, J. Bird, Y.-H. ZhangCyclotron resonance study of InAs/AlSb QW heterostructures, the 12th International Conference on Narrow Gap Semiconductors, Toulouse, France, July 2005.
71 Y. Wang, H.S. Djie, B.S. Ooi, P. Dowd, V. Aimez, Y. Cao, S.R. Johnson, and Y.-H. Zhang, Interdiffusion effect on Quantum Well Structures Grown on GaSb Substrate, ICMAT 2005, Singapore.
70 S.R. Johnson, S.-Q. Yu, X. Jin, Y.-H. Zhang, Injection Uniformity in GaAsP/GaAs/GaAsSb Quantum Well Lasers, the 23rd North American Conference on Molecular Beam Epitaxy, Santa Barbara, 2005.
69 Y.-H. Zhang, Electroluminescence refrigeration in semiconductors, 4th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2005.
68 S. R. Johnson, D. Ding, J.-B. Wang, S.-Q. Yu, Y.-H. Zhang, Optical Refrigeration Window in Terms of Bandgap Energy and Optical Thickness, 4th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2005.
67 D. Ding, S. R. Johnson, J.-B. Wang, S.-Q. Yu, Y.-H. Zhang, Thermodynamics of Optical Refrigeration in Semiconductors, 4th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2005.
66 J.-B. Wang, D. Ding, S.-Q. Yu, S. R. Johnson, Y.-H. Zhang, Cooling Efficiency and Cooling Power of Semiconductor Electroluminescence Refrigeration, 4th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2005.
65 J.-B. Wang, D. Ding, S.-Q. Yu, S. R. Johnson, Y.-H. Zhang, Impact of Photon Recycling on Photoluminescence Refrigeration in Semiconductors, 4th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2005.
64 S.-Q. Yu, D. Ding, J.-B. Wang, S. R. Johnson, Y.-H. Zhang, Interplay of Thermoelectric Cooling and Electric Luminescence Cooling in LEDs, 4th Annual Workshop on Laser Cooling of Solids, Albuquerque NM, June 2005.
63 S.-Q. Yu, J.-B. Wang, D. Ding, S. R. Johnson, Y.-H. Zhang, Interplay of thermoelectric Cooling and Electroluminescence Refrigeration in LEDs, Proceedings of the 24th International Conference on Thermoelectrics, 2005.
62 D. Ding, J.-B. Wang, S.-Q. Yu, S. R. Johnson, Y.-H. Zhang, Optimal Bandgap Energy for Optical Refrigeration in Semiconductors, SPIE 50th Annual Meeting/Optics & Photonics (2005).
61 D. Ding, J.-B. Wang, S.-Q. Yu, S. R. Johnson, Y.-H. Zhang, Thermodynamic Analysis of Optical Refrigeration in Semiconductors, CLEO/IQEC Technical Digest, vol. 3, 1896- 1898 (2005).
60 G. Blume, T. J. C. Hosea, S. Cripps, S. J. Sweeney, Y.-H. Zhang and S. R. Johnson, Photo-modulation studies of GaAsSb/GaAs structures: Experimental investigations and modeling of interference oscillations, Semiconductor and Integrated Optoelectronics, Cardiff, UK, March 2005.
59 J.-B. Wang, D. Ding, S.-Q. Yu, S. R. Johnson, Y.-H. Zhang, Electroluminescence Cooling in Semiconductors, Conference on Lasers and Electro-Optics, Conference on Lasers and Electro Optics/International Quantum Electronics Conference, 2005 CLEO/IQEC, Baltimore MD, May 2005.
58 N. Samal, S. R. Johnson, D. Ding, A. K. Samal, Y.-H. Zhang, Novel VCSEL Design with Tailored Spatial Current Injection for High-Power Single-Mode Operation, SPIE Photonics West, San Jose CA, January 2005.
 
2004
57 S. R. Johnson, Y. Cao, Yu. G. Sadofyev, D. Ding, J.-B. Wang, Y.-H. Zhang, J. A Gupta, Mediated MBE for Device Applications, 22nd North American Conference on Molecular Beam Epitaxy, Banff AB, October 2004.
56 G. Blume, T. J. C. Hosea, S.J. Sweeney, S. R. Johnson and Y.-H. Zhang, GaAsSb/GaAs based structures for 1.3 μm VCSEL applications: A spectroscopic study”, Photon 04, Glasgow, UK, September 2004.
55 G. Blume, T. J. C. Hosea, S. J. Sweeney, S. R. Johnson and Y.-H. Zhang, Avoiding low-energy interference oscillations in photo-modulated reflectivity studies of GaAsSb/GaAs QW material for 1.3um VCSEL applications, Modulation Spectroscopy of Semiconductor Structures (MS3), Wroclaw, Poland, July 2004.
54 Yu. G. Sadofyev, A. Ramamoorthy, J. P. Bird, S. R. Johnson, Y.-H. Zhang, Infrared Light Induced Beating of Shubnikov-de Haas Oscillations in MBE grown InAs/AlSb Quantum Wells, International Molecular Beam Epitaxy Conference, UK, Aug. 2004.
53 J.-B. Wang, S.R. Johnson, S.A. Chaparro, Yu.G. Sadofyev, Y.-H. Zhang, J.A. Gupta, Temperature dependent bandgap energy and conduction band offset of GaAsSb on GaAs, 27th International Conference on the Physics of Semiconductors, Flagstaff, July 2004.
52 A. Ikonnikov, V. Aleshkin, V. Gavrilenko, Y. Sadofyev, J. Bird, S. Johnson, Y.-H. Zhang, Cyclotron resonance study of doped and undoped InAs/AlSb QW heterostructures, 27th International Conference on the Physics of Semiconductors, Flagstaff, July 2004.
51 A. V. Ikonnikov, V. Ya. Aleshkin, V. I. Gavrilenko, Yu. G. Sadofyev, J. P. Bird, S. R. Johnson, and Y.-H. Zhang, Cyclotron Resonance Study of Doped and Undoped InAs/AlSb QW Heterostructures, International Symposium on Nanostructures: Physics and technology, St. Petersburg, June 2004.
50 Y. Cao, S.-Q. Yu, X. Jin, D. Ding, J.-B. Wang, S. R. Johnson, Y.-H. Zhang, Tunable MWIR Diode Lasers Gas Sensing Applications, Transportation and Homeland Security, 3rd Micro Sensor Workshop, Scottsdale AZ, April 2004.
49 G. Blume, T. J. C. Hosea, S. J. Sweeney, S. R. Johnson and Y.‐H. Zhang, Spectroscopic investigations of GaAsSb/GaAs based structures for 1.3μm VCSEL applications, Semiconductor and Integrated Optoelectronics (SIOE) conference, Cardiff, April 2004.
 
2003 and earlier
48 Yu.G. Sadofyev, A. Ramamorthy, J.P. Bird, S.R Johnson, & Y.-H. Zhang, Persistent Photoconductivity and its Influence on the g-factor Enhancement in an InAs/AlSb Quantum Well, 6th International Conference on New Phenomena in Mesoscopic Systems/ 4th International Conference on Surfaces and Interfaces of Mesoscopic Devices, Maui, December 2003.
47 X. Jin, S.-Q. Yu, Y. Cao, D. Ding, J.-B. Wang, N. Samal, Yu. G. Sadofyev, S.R. Johnson, Y.-H. Zhang, 1.3 µm GaAsSb Resonant-Cavity Light-Emitting Diodes Grown on GaAs Substrate, 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, Nov. 2003.
46 J.-B. Wang, G. Vaschenko, S.R. Johnson, J.A. Gupta, S.A. Chaparro, C.Z. Guo, C.S. Menoni, Y.-H. Zhang, Optical Properties of GaAsSb/GaAs Quantum Wells, 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, Nov. 2003.
45 S.R. Johnson, Yu. G. Sadofyev, K. Franzreb, Y. Cao, D. Ding, N. Samal, S.A. Chaparro, J. Wang, J. Xu, S. Q. Yu, and Y.-H. Zhang, Sb-Mediated Growth of Si and Be Doped AlGaAs by Molecular Beam Epitaxy, North America Molecular Beam Epitaxy Conference, Keystone, Oct., 2003.
44 Y. Cao, S. Yu, X. Jin, D. Ding, J. Wang, S. Johnson, and Y.-H. Zhang, Room Temperature CW Operation of 2.1 um Quantum Well Lasers Grown on GaSb, North America Molecular Beam Epitaxy Conference, Keystone, October 2003.
43 M. Adamcyk, S. Chaparro, P. Dowd, S. Feld, K. Hilgers, M.P. Horning, S.R. Johnson, J. Joseph, B. Liang, K. Shiralagi, Y.-H. Zhang, 1.3 µm GaAsSb/GaAs VCSELs, SPIE ITCom, Orlando, September 2003.
42 J.-B. Wang, S.R. Johnson, C.Z. Guo, S.A. Chaparro, J.A. Gupta, Yu. G. Sadofyev, Y. Cao, N. Samal, X. Jin, S.-Q. Yu, D. Ding, Y.-H. Zhang, Determination of GaAs/GaAsSb Heterojunction Conduction Band Offset, International symposium on Compound Semiconductors, San Diego, August 2003.
41 M. Adamcyk, S. Chaparro, P. Dowd, S. Feld, K. Hilgers, S.R. Johnson, J. Joseph, B. Liang, K. Shiralagi, S.-Q. Yu, Y.-H. Zhang, 1.3 µm GaAsSb/GaAs VCSELs for Telecommunications Applications, SPIE Photonics West, San Jose, January 2003.
40 Yu. G. Sadofyev, S. R. Johnson, S. Chaparro, Y. Cao, D. Ding, N. Samal, K. Franzreb, Y.-H. Zhang, Sb-Mediated Growth of Si and Be Doped AlGaAs by Molecular Beam Epitaxy, 11th International Symposium Nanostructures: Physics and Technology, St Petersburg, Russia, June 2003.
39 N. Samal, Y. Cao, D. Ding, J.-B. Wang, S.-Q. Yu, X. Jin, S. Chaparro, Yu. G. Sadofyev, S. R. Johnson, Y.-H. Zhang, Room Temperature CW Operation of Long Wavelength GaAsSb/GaAs VCSELs Grown on GaAs, SPIE Photonics West, San Jose CA, January 2003.
38 S. R. Johnson, C.-Z. Guo, S. Chaparro, Yu. G. Sadofyev, Y. Cao, D. Ding, J.-B. Wang, N. Samal, X. Jin, S.-Q. Yu, D. J. Smith, Y.-H. Zhang, Evaluating the Band Alignment of MBE Grown GaAsSb on GaAs, 12th International Conference on Molecular Beam Epitaxy, MBE XII, San Francisco CA, September 2002.
37 Yu. G. Sadofyev, Y. Cao, A. Ramamoorthy, B. Naser, J. P. Bird, S. R. Johnson, Y.-H. Zhang, MBE Growth and Characterization of High-Mobility InAs Quantum-Well Systems for Application in Spintronics, 12th International Conference on Molecular Beam Epitaxy, MBE XII, San Francisco CA, September 2002.
36 S. R. Johnson, S. Chaparro, N. Samal, P. Dowd, S.-Q. Yu, J.-B. Wang, K. Shiralagi, Y.-H. Zhang, Room Temperature Continuous-Wave Operation of 1.3 µm GaAsP/GaAs/GaAsSb VCSELs Grown on GaAs, 28th European Conference on Optical Communication, Copenhagen, Denmark, September 2002.
35 Yu. G. Sadofyev, Y. Cao, S. Chaparro, A. Ramamoorthy, B. Naser, J. P. Bird, S. R. Johnson, Y.-H. Zhang, High-Mobility InAs/AlSb Heterostructures for Spintronics Applications, 10th International Symposium Nanostructures: Physics and Technology, St Petersburg, Russia, June 2002.
34 S. R. Johnson, S. Wu, Y. Sadofyev, Y. Cao, S. Chaparro, J. Wang, N. Samal, S. Q. Yu, C. Navarro, J. Xu, Z.-B. Chen, D. Ding, C.-Z. Guo, N. Newman, Y.-H. Zhang, Ion and Neutral Energy Spectra for Dilute Nitride Growth, North American Conference on Molecular Beam Epitaxy, Providence, October 2001.
33 Yu. G. Sadofyev, M.J. Gilbert, J.P. Bird, Y. Cao, S. Chaparro, A. Shailos, S.R. Johnson, Y.-H. Zhang, Narrow-Bandgap Materials for Application in the Quantum-Point-Contact Spin Filter, 20th North American Conference on Molecular Beam Epitaxy, Providence, October 2001.
32 Z.B. Chen, S.R. Johnson, C. Navarro, S. Chaparro, J. Xu, N. Samal, J. Wang, Y. Cao, S. Yu, Y.-H. Zhang, Strain Compensated GaAsP/GaAsSb/GaAs 1.3 mm lasers grown by MBE on GaAs substrate, Oral presentation at the CLEO, Baltimore, 2001.
31 S. R. Johnson, C. Navarro, S. Chaparro, J. Xu, C.-Z. Guo, P. Dowd, W. Braun, Y.-H. Zhang, Long Wavelength Pseudomorphic InGaAsSb Active Materials Grown on GaAs, North American Conference on Molecular Beam Epitaxy, Tempe AZ, October 2000.
30 S. Chaparro, R. Leon, S. R. Johnson, C. Navarro, J. Xu, and Y.-H. Zhang, Dislocation Induced Spatial Ordering of InAs Quantum Dots, North American Conference on Molecular Beam Epitaxy, Tempe AZ, October 2000.
29 David J. Smith, D. Chandrasekhar, P. A. Crozier, M. Floyd, M. R. McCartney, J. Drucker, S. Chaparro, Y.-H. Zhang; Microstructural Evolution of Ge/Si (100) Islands, North American Conference on Molecular Beam Epitaxy, Tempe AZ, October 2000.
28 C. M. Ryu, U. Koelle, S. R. Johnson, P. Dowd, R. Turpin, S. Adhiveeraghavan, J. Xu, Y.-H. Zhang, and D. Docter, Integration of 32x32 Photodiode Arrays with silicon for Massively Parallel Optical Interconnects, Photonics West, San Jose CA, February 2000.
27 W. Braun, P. Dowd, S.R. Johnson, D.J. Smith, and Y.-H. Zhang, “Solid source MBE growth of GaAs-based light emitting materials in the 1100 nm -1550 nm range”, International Symposium on Compound Semiconductors, Berlin, 8/1999.
26 Y.-H. Zhang, C.M. Ryu, S.R Johnson, U. Koelle, P. Dowd, C.Z. Guo, S.L. Chen, D.J. Smith, “InGaAs/GaPAsSb type-II quantum wells on GaAs for long wavelength (1.3 µm) photodetectors”, SPIE Annual Meeting, Denver, 7/1999.
25 S. R. Johnson, P. Dowd, W. Braun, U. Koelle, C. M. Ryu, M. Beaudoin, C. Z. Guo, Y.-H. Zhang, “Long Wavelength Pseudomorphic InGaPAsSb Active Materials Grown on GaAs”, International North American MBE Conference, Canada, 10/1999.
24 M. Beaudoin, E. Grassi, S.R. Johnson, K. Ramaswamy, K. Tsakalis, T.L. Alford and Y.-H. Zhang, “Real-Time Composition Control of InAlAs Using Spectroscopic Ellipsometry, International North American MBE Conference, Canada, 10/1999.
23 Y.-H. Zhang, P. Dowd, S.R. Johnson, W. Braun, 1.5-µm Luminescence from InGaAs/GaPAsSb Type-II Quantum Wells Grown on GaAs, MRS Fall Meeting, Boston, 12/1999.
22 M. Beaudoin, S.R. Johnson, M.D. Boonzaayer, and Y.-H. Zhang, Use of Spectroscopic Ellipsometry for Feedback Control during the Growth of Thin AlAs and InAs Layers, Proceedings of 17th North America MBE Conference, 10/98.
21 S.R. Johnson, M. Beaudoin, E. Grassi, M.D. Boonzaayer, and Y.-H. Zhang, Real-Time Control of MBE Growth Using Spectroscopic Ellipsometry and Diffuse Reflection Spectroscopy, Proceedings of the 17th North America MBE Conference, October 1998.
20 W. Braun, H. Möller and Y.-H. Zhang, Azimuthal scans: a New RHEED Measurement Mode during Growth on Rotating Substrates, Proceedings of International MBE-X Conference, France, 1998.
19 M. Beaudoin, P. Kelkar, S. R. Johnson, C.H. Kuo, M. Boonzaayer, and Y.-H. Zhang, Growth of Resonant Cavity Enhanced Photo-Detectors (RCEPD) by MBE with Feedback Control Using Spectroscopic Ellipsometry, Proceedings of the International MBE-X Conference, France, 1998.
18 S. R. Johnson, M. Beaudoin, M. Boonzaayer, E. Grassi, Y.-H. Zhang, Feedback Control of Substrate Temperature During the Growth of Near-Lattice-Matched InGaAs and InAlAs on InP Using Diffuse Reflection, Proceedings of International MBE-X Conference, France, 1998.
17 C.-H. Kuo, M. DeHerrera, T. Kyong, M. Boonzaayer, Y.-H. Zhang, B. Johs, and J.S. Hale, Real Time In-Situ Control of InGaAs Lattice Matched to InP by 88 Wavelength Ellipsometer, North America Molecular Beam Epitaxy Conference, Ann Arbor, Oct. 1997.
16 S.R. Johnson, C.-H. Kuo, Y.-H. Zhang, Temperature Control during MBE Growth Using band Edge Thermometry, North America Molecular Beam Epitaxy Conference, Ann Arbor, Oct. 1997.
15 W. Braun and Y.-H. Zhang, RHEED during Substrate Rotation: a New Dimension for in-situ Characterization, North America Molecular Beam Epitaxy Conference, Ann Arbor, Oct. 1997.
14 C. Wheeler and Y.-H. Zhang, Monolithic Integration of FET, VCSEL and Resonant Cavity Detectors, CLEO, Baltimore, May 1997.
13 S.R. Johnson, C.H. Kuo, M. DeHerrera, Y.-H. Zhang, M. Beaudoin, T. Tiedje, and J. A. Roth, Temperature Control During the Growth of InGaAs on InP Using Band Edge Thermometry, International Conference on Monitoring and Control Techniques for Intelligent Epitaxy, Kananaskis AB, April 1997.
12 C.H. Kuo, S.R. Johnson, M. DeHerrera, Y.-H. Zhang, and B. Johs, Composition Control During the Growth of InGaAs on InP Using Spectroscopic Ellipsometry, International Conference on Monitoring and Control Techniques for Intelligent Epitaxy, Kananaskis AB, April 1997.
11 Y.-H. Zhang, A.Y. Lew, E.T. Yu, and Y. Chen, Microstructure Properties of InAs/InAsxSb1-x Superlattices Grown by Molecular Beam Epitaxy, Presented at the 8th International Conference on Molecular Beam Epitaxy, Malibu, 1996.
10 F. Fuchs, J. Schmitz, N. Herres, J. Wagner, G. Tränkle, P. Koidl, and Y.-H. Zhang, Assessment of InAs/GaInSb and InAs/InAsSb Heterostructures for Infrared Detection and Emission, Presented at the 38th Electronic Material Conference, Santa Barbara, June, 1996
9 Y. Chen, Z. Liliental-Weber, J. Washburn, and Y.-H. Zhang, Artificially Ordered AlAs0.16Sb0.84 and InAs0.92Sb0.08 Alloys Grown by Modulated Molecular Beam Epitaxy, MRS Fall Meeting, Boston, 1996.
8 A.Y. Lew, E.T. Yu, Y.-H. Zhang, R.H. Miles, Atomic-Scale Structure of InAs/InAsxSb1-x Superlattice Grown by Modulated Molecular Beam Epitaxy, Presented at the 23rd Conf. on the Phys. and Chem. of Semicond. Interfaces, La Jolla, 1996.
7 Y.-H. Zhang and H.Q. Le, High-Power (1.3 W) Optical-Pumped Midwave Infrared (3.4 µm) InAs/InAsSb Superlattice Lasers, Oral presentation at the CLEO, Baltimore, 1995.
6 Y.-H. Zhang, H.Q. Le, D.H. Chow, R.H. Miles, Mid infrared lasers grown on InAs by modulated-molecular-beam epitaxy, Narrow Gap Semiconductors Santa Fe, New Mexico, 8-12 January 1995.
5 Y.-H. Zhang, R.H. Miles, and D.H. Chow, CW Operation of Type-II Superlattice Mid Wavelength Infrared Lasers, Post deadline paper presented at the 14th Int. Semiconductor Laser Conference, p. PD-3, Hawaii, September 19-23, 1994.
4 Y.-H. Zhang, Accurate Control of As and Sb Incorporation Ratio during Solid-Source Molecular-Beam Epitaxy, Presented at the Int. MBE Conference, p. A10-10, Osaka, Japan, August 29 - September 2, 1994.
3 D.H. Chow, Y.-H. Zhang, R.H. Miles, and H.L. Dunlap, Structural and Transport Properties of InAs/AlAsSb Superlattices, Presented at the Int. MBE Conference, p. B10-6, Osaka, Japan, August 29 - September 2, 1994.
2 Y.-H. Zhang, Improved Crystalline Property of AlAsxSb1-x Grown on InAs by Modulating As and Sb Beams during Solid-Source Molecular-Beam Epitaxy, Presented at the 1994 Electronic Material Conference, Boulder, June, 1994
1 Y.-H. Zhang, Molecular Beam Epitaxy of AlAs0.16Sb0.84 Lattice-matched to Stress-Relaxed InAs Buffer Layer, Presented at the March Meeting of American Physics Society, 1994.