MWIR unipolar barrier photodetectors based on strained layer superlattices

David A. Ramirez; Stephen A. Myers; Elena Plis; Yuliya Kuznetsova; Christian P. Morath; Vincent M. Cowan; Sanjay Krishna

doi:10.1117/12.2188332

1 September 2015 MWIR unipolar barrier photodetectors based on strained layer superlattices

David A. Ramirez, Stephen A. Myers, Elena Plis, Yuliya Kuznetsova, Christian P. Morath, Vincent M. Cowan, Sanjay Krishna

Author Affiliations +

Proceedings Volume 9616, Nanophotonics and Macrophotonics for Space Environments IX; 96160F (2015) https://doi.org/10.1117/12.2188332
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

In this work, we report on the design, fabrication, and characterization of MWIR unipolar barrier photodetectors based on InAs/GaSb Type-II superlattice. We have designed, fabricated, and characterized band-structure engineered MWIR photodetectors based on the pBiBn architecture. The devices have been characterized using the most relevant radiometric figures of merits. At 200 K, the peak value of detectivity is 1.2 x 1011 Jones at an applied bias voltage of -0.5 V.

Citation Download Citation

David A. Ramirez, Stephen A. Myers, Elena Plis, Yuliya Kuznetsova, Christian P. Morath, Vincent M. Cowan, and Sanjay Krishna "MWIR unipolar barrier photodetectors based on strained layer superlattices", Proc. SPIE 9616, Nanophotonics and Macrophotonics for Space Environments IX, 96160F (1 September 2015); https://doi.org/10.1117/12.2188332

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