Conference proceeding
Optimization of MWIR Type II Superlattices for Infrared Detection
Infrared Technology and Applications XXXVI, Pts 1 and 2, Vol.7660(1), pp.76601L-76601L-5
Proceedings of SPIE-The International Society for Optical Engineering
01/01/2010
DOI: 10.1117/12.851862
Abstract
Type II superlattices (SLs) offer a broad range of design degrees of freedom to help optimize their properties for infrared detection. Under the AFRL STEPS contract, we focus on mid-wavelength infrared (MWIR; 2-5 mu m bandpass) Type II structures with two-layer InAs/GaInSb and four-layer "W-structure" InAs/GaInSb/InAs/AlInGaAsSb SL periods. We consider details of the electronic band structures that reduce Auger recombination rates in p-type SLs specifically by affecting the density of final states available to one of the involved carriers. This work assesses the potential impact of final state optimizations on 5 mu m band gap SLs in the 200-225 K operating temperature range.
Details
- Title: Subtitle
- Optimization of MWIR Type II Superlattices for Infrared Detection
- Creators
- C. Grein - EPIR TechnologiesM. E. Flatte - EPIR Technologies
- Contributors
- B F Andresen (Editor)G F Fulop (Editor)P R Norton (Editor)
- Resource Type
- Conference proceeding
- Publication Details
- Infrared Technology and Applications XXXVI, Pts 1 and 2, Vol.7660(1), pp.76601L-76601L-5
- Publisher
- Spie-Int Soc Optical Engineering
- Series
- Proceedings of SPIE-The International Society for Optical Engineering
- DOI
- 10.1117/12.851862
- ISSN
- 0277-786X
- Number of pages
- 5
- Language
- English
- Date published
- 01/01/2010
- Academic Unit
- Electrical and Computer Engineering; Physics and Astronomy
- Record Identifier
- 9984429039402771
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