NASA Logo, External Link
Facebook icon, External Link to NASA STI page on Facebook Twitter icon, External Link to NASA STI on Twitter YouTube icon, External Link to NASA STI Channel on YouTube RSS icon, External Link to New NASA STI RSS Feed AddThis share icon
 

Record Details

Record 46 of 10770
Photoexcited escape probability, optical gain, and noise in quantum well infrared photodetectors
External Online Source: doi:10.1063/1.352210
Author and Affiliation:
Levine, B. F.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Zussman, A.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Gunapala, S. D.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Asom, M. T.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Kuo, J. M.(Jet Propulsion Lab., California Inst. of Tech., Pasadena, CA, United States)
Hobson, W. S.(AT&T Bell Labs., Murray Hill, NJ, United States)
Abstract: We present a detailed and thorough study of a wide variety of quantum well infrared photodetectors (QWIPs), which were chosen to have large differences in their optical and transport properties. Both n- and p-doped QWIPs, as well as intersubband transitions based on photoexcitation from bound-to-bound, bound-to-quasi-continuum, and bound-to-continuum quantum well states were investigated. The measurements and theoretical analysis included optical absorption, responsivity, dark current, current noise, optical gain, hot carrier mean free path; net quantum efficiency, quantum well escape probability, quantum well escape time, as well as detectivity. These results allow a better understanding of the optical and transport physics and thus a better optimization of the QWIP performance.
Publication Date: Nov 01, 1992
Document ID:
19930032395
(Acquired Dec 28, 1995)
Accession Number: 93A16392
Subject Category: SOLID-STATE PHYSICS
Document Type: Journal Article
Publication Information: Journal of Applied Physics (ISSN 0021-8979); 72; 9; p. 4429-4443.
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: Jet Propulsion Lab., California Inst. of Tech.; Pasadena, CA, United States
Description: 15p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: INFRARED DETECTORS; OPTICAL PROPERTIES; PHOTOMETERS; POWER GAIN; QUANTUM WELLS; PROBABILITY THEORY; TRANSPORT PROPERTIES
Imprint And Other Notes: Journal of Applied Physics vol. 72, no. 9 p. 4429-4443. Nov. 1, 1992
Miscellaneous Notes: Research supported by JPL
Availability Source: Other Sources
› Back to Top
Find Similar Records
NASA Logo, External Link
NASA Official: Gerald Steeman
Site Curator: STI Program
Last Modified: August 19, 2011
Contact Us