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Extended Cut-Off Wavelength nBn Detector Utilizing InAsSb/InSb Digital Alloy AbsorberWe investigated a novel approach to extend a cut -off wavelength of Sb-based nBn detectors. We incorporated a series of single InSb monolayer into InAsSb bulk that allowed to realize a digital alloy absorber with an extended cut-off wavelength of λ = 4.6 μm at T = 200 K. The cut-off wavelength extension to 4.6μm is technologically important for realization of detectors covering CO2 absorption line at 4.26μm
Document ID
20190026889
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
hdl:2014/46286
doi:10.1117/12.2251703
Authors
Soibel, A. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Ting, D. Z. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Hill, C.J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Fisher, Anita M. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Hoglund, Linda (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Keo, Sam A. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Gunapala, Sarath D. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
July 1, 2019
Publication Date
January 28, 2017
Publication Information
Publication: Proceedings of SPIE
Publisher: Society of Photo-optical Instrumentation Engineers
Volume: 10111
ISSN: 0277-786X
e-ISSN: 1996-756X
Subject Category
Optics
Report/Patent Number
JPL-CL-16-6216
Report Number: JPL-CL-16-6216
ISSN: 0277-786X
E-ISSN: 1996-756X
Meeting Information
Meeting: SPIE Photonics West
Location: San Francisco, CA
Country: United States
Start Date: January 28, 2017
End Date: February 2, 2017
Sponsors: International Society for Optical Engineering
Distribution Limits
Public
Copyright
Other
Keywords
InAsSb/InSb photodiodes
nBn
Mid-wavelength infrared (LWIR)

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