Growth and performance of superlattice-based long wavelength complementary barrier infrared detectors (CBIRDs)

Cory J. Hill; Alexander Soibel; Sam A. Keo; Michael C. Lee; Jason M. Mumolo; Jean Nguyen; Sir B. Rafol; David Z. Ting; Baohua Yang; Sarath D. Gunapala

doi:10.1117/12.855206

3 May 2010 Growth and performance of superlattice-based long wavelength complementary barrier infrared detectors (CBIRDs)

Cory J. Hill, Alexander Soibel, Sam A. Keo, Michael C. Lee, Jason M. Mumolo, Jean Nguyen, Sir B. Rafol, David Z. Ting, Baohua Yang, Sarath D. Gunapala

Author Affiliations +

Proceedings Volume 7660, Infrared Technology and Applications XXXVI; 76601S (2010) https://doi.org/10.1117/12.855206
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

We have demonstrated the use of bulk antimonide based materials and type-II antimonide based superlattices in the development large area long wavelength infrared (LWIR) focal plane arrays (FPAs). Barrier infrared photodetectors (BIRDS) and superlattice-based infrared photodetectors are expected to outperform traditional III-V MWIR and LWIR imaging technologies and are expected to offer significant advantages over II-VI material based FPAs. Our group has developed a novel complementary barrier infrared detector (CBIRD) which utilizes properties unique to the antimonide material system to incorporate unipolar barriers on either side of a superlattice absorber region. We have used molecular beam epitaxy (MBE) technology to grow InAs/GaSb CBIRD structures on large area 100mm GaSb substrates with excellent results. Furthermore, we have fabricated initial 1024x1024 pixels superlattice imaging FPAs based on the CBIRD concept.

Citation Download Citation

Cory J. Hill, Alexander Soibel, Sam A. Keo, Michael C. Lee, Jason M. Mumolo, Jean Nguyen, Sir B. Rafol, David Z. Ting, Baohua Yang, and Sarath D. Gunapala "Growth and performance of superlattice-based long wavelength complementary barrier infrared detectors (CBIRDs)", Proc. SPIE 7660, Infrared Technology and Applications XXXVI, 76601S (3 May 2010); https://doi.org/10.1117/12.855206

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