Growth and characteristics of type-II InAs/GaSb superlattice-based detectors

A. Khoshakhlagh; D. Z. Ting; A. Soibel; L. Hoglund; J. Nguyen; S. A. Keo; A. Liao; S. D. Gunapala

doi:10.1117/12.894286

16 September 2011 Growth and characteristics of type-II InAs/GaSb superlattice-based detectors

A. Khoshakhlagh, D. Z. Ting, A. Soibel, L. Hoglund, J. Nguyen, S. A. Keo, A. Liao, S. D. Gunapala

Proceedings Volume 8154, Infrared Remote Sensing and Instrumentation XIX; 81540K (2011) https://doi.org/10.1117/12.894286
Event: SPIE Optical Engineering + Applications, 2011, San Diego, California, United States

Abstract

We report on growth and device performance of infrared photodetectors based on type II InAs/Ga(In)Sb strain layer superlattices (SLs) using the complementary barrier infrared detector (CBIRD) design. The unipolar barriers on either side of the absorber in the CBIRD design in combination with the type-II InAs/GaSb superlattice material system are expected to outperform traditional III-V LWIR imaging technologies and offer significant advantages over the conventional II-VI material based FPAs. The innovative design of CBIRDS, low defect density material growth, and robust fabrication processes have resulted in the development of high performance long wave infrared (LWIR) focal plane arrays at JPL.

Citation Download Citation

A. Khoshakhlagh, D. Z. Ting, A. Soibel, L. Hoglund, J. Nguyen, S. A. Keo, A. Liao, and S. D. Gunapala "Growth and characteristics of type-II InAs/GaSb superlattice-based detectors", Proc. SPIE 8154, Infrared Remote Sensing and Instrumentation XIX, 81540K (16 September 2011); https://doi.org/10.1117/12.894286

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