Recent progress in GaInAsSb and InAsSbP photodetectors for mid-infrared wavelengths

Zane A. Shellenbarger; Michael G. Mauk; Jeffrey A. Cox; Joseph South; Joseph D. Lesko; Paul E. Sims; Murzy D. Jhabvala; Marilyn K. Fortin

doi:10.1117/12.304474

8 April 1998 Recent progress in GaInAsSb and InAsSbP photodetectors for mid-infrared wavelengths

Zane A. Shellenbarger, Michael G. Mauk, Jeffrey A. Cox, Joseph South, Joseph D. Lesko, Paul E. Sims, Murzy D. Jhabvala, Marilyn K. Fortin

Author Affiliations +

Proceedings Volume 3287, Photodetectors: Materials and Devices III; (1998) https://doi.org/10.1117/12.304474
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

Progress on mid-IR photodetectors fabricated by the liquid phase epitaxial growth of GaInAsSb and InAsSbP on GaSb and InAs substrates is reported. GaInAsSb p/n and p-i-n detectors and InAsSbP p/n detector structures were fabricated. Preliminary results indicate that these devices can have higher detectivity with lower cooling requirements than commercially available detectors in the same wavelength range. IR p/n junction detectors made from GaInAsSb and InAsSbP showed cut-off wavelengths of 2.3 micrometers and 2.9 micrometers respectively. Room temperature background noise- limited detectivity of 4 X 10¹⁰ cmHz^1/2/W GaInAsSb detectors and 4 X 10⁸ cmHz^1/2/W for InAsSbP was measured.

Citation Download Citation

Zane A. Shellenbarger, Michael G. Mauk, Jeffrey A. Cox, Joseph South, Joseph D. Lesko, Paul E. Sims, Murzy D. Jhabvala, and Marilyn K. Fortin "Recent progress in GaInAsSb and InAsSbP photodetectors for mid-infrared wavelengths", Proc. SPIE 3287, Photodetectors: Materials and Devices III, (8 April 1998); https://doi.org/10.1117/12.304474

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