Shi Liu

Dr. Oray Orkun Cellek

ERC 225, Arizona State University, Tempe, AZ



Ph.D, Electrical Engineering, METU, Turkey (2006)
B.S., Electrical Engineering, METU, Turkey (2001)

Postdoc, ASU EE Department (Jan 2011 - Present)
Infrared photodetector devices and materials.

Visitor, UC Irvine Dept. of Chemistry (April 2010 - Dec 2010)
Modeling of carrier transport in colloidal nanocrystal solid films.

Sr. Engineer, Aselsan Inc. Turkey, (May 2006 - March 2010)
Thermal imaging infrared photodetectors and systems.

Research Assistant, METU, Turkey, (Sept 2000 - April 2006)
Quantum well infrared photodetectors for thermal imaging.

Journal Publications:

O.O. Cellek, J.L. Reno, Y.-H. Zhang, “Optically-addressed near and long-wave infrared multiband photodetectors”, Appl.Phys. Lett.,vol. 100, p. 241103, 2012.

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, “Significantly improved minority carrier lifetime observed in a long-wavelength infrared III-V type-II superlattice comprised of InAs/InAsSb”, Appl. Phys. Lett., vol. 99, p. 251110, 2011.

O.O. Cellek, S. Özer, and C. Besikci, "High Responsivity InP/InGaAs Quantum Well Infrared Photodetectors: Characteristics and Focal Plane Array Performance", IEEE Journal of Quantum Electronics, vol. 41, pp. 980-985, 2005.

S. Özer, O.O. Cellek, and C. Besikci, "Assessment of Large Format InP/InGaAs Quantum Well Infrared Photodetector Focal Plane Array", Infrared Physics and Technology, vol. 47, pp.115-118, 2005.

O.O. Cellek, S. Memis, U. Bostancı, S. Özer and C. Besikci, “Gain and Transient Photoresponse of Quantum Well Infrared Photodetectors: A Detailed Ensemble Monte Carlo Study”, Physica E: Low Dimensional Systems and Nanostructures, vol. 24, pp.318-327, 2004.

O.O. Cellek and C. Besikci, “Detailed Investigation of Electron Transport, Capture and Gain in Al0.3Ga0.7As/GaAs Quantum Well Infrared Photodetectors”, Semiconductor Science and Technology, vol. 19, pp.183-190, 2004.

Conferences with published proceedings:

O.O. Cellek, Hua Li, Xiao-Meng Shen, Zhiyuan Lin, Elizabeth H. Steenbergen, Ding Ding, Shi Liu, Qiang Zhang, Ha Sul Kim, Jin Fan, Michael J. DiNezza, W. Hank G. Dettlaff, Preston T. Webster, Zhaoyu He, Jing-Jing Li, Shane R. Johnson, David J. Smith, Yong-Hang Zhang, “InAs/InAsSb Type-II superlattice: a promising material for mid-wavelength and long-wavelength infrared applications”, Proc. SPIE, vol. 8353, p. 83533F, 2012.

O.O. Cellek, H.S. Kim, J.L. Reno, Y.-H. Zhang, “NIR/LWIR dual-band infrared photodetector with optical addressing “, Proc. SPIE, 8353, p. 83533E, 2012.

O.O. Cellek, Y.-H. Zhang, “Optically addressed multiband photodetector for infrared imaging applications”, Proc. SPIE vol. 8268, p. 8268N, 2012.

E.H. Steenbergen, O.O. Cellek¸D. Lubyshev, Y. Qui, J.M. Fastenau, A.W.K. Liu, Y.-H. Zhang, “Study of the valance band offsets between InAs and InAs1-xSbx alloys”, Proc. SPIE, vol. 8268, p. 82680K, 2012.

L. Ouyang, E. Steenbergen, O.O. Cellek, D.J. Smith, Y.-H. Zhang, “Structural properties of InAs/InAs1-xSbx type-II superlattices”, Proc. SPIE vol. 8268, 826830, (2012).

O.O. Cellek, M. Law, “Modeling and Simulation of Nanocrystal Solids with Rate Equations”, Proc. SPIE, vol. 7933, 36, (2011).

Meetings and oral presentations :

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.

O. Ferhanoglu, M.F. Toy, O. Akar, T. Akin, O.O. Cellek, H. Urey, “Uncooled Infrared MEMS Thermomechanical Imaging”, 11th National Photonics Meeting, 2009.

C. Besikci, O.O. Cellek, M. Kaldirim, S.U. Eker, “InP Based High Performance Quantum Well Infrared Photodetectors”, 7th National Optics, Electro-optics and Photonics Workshop, 2005.

S. Özer, O.O. Cellek, C. Besikci, "Very Large Format Al-free QWIP Sensor Arrays for High Performance Thermal Imaging Systems", 6th National Optics Electro-optics and Photonics Workshop, 2004.

C. Besikci, S. Özer, O.O. Cellek, "QWIP Based Thermal Imaging Technology", 5th National Optics Electro-optics and Photonics Workshop, 2003.

C. Besikci, O.O. Cellek, S. Özer, Ü. Tümkaya, B. Asıcı, U. Bostancı, "Cooled Infrared Detector Technologies ", SAVTEK 2002 Defence Technologies Congress, 2002.