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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 9, Iss. 4 — Dec. 25, 2005
  • pp: 131–134

Absorption Coefficients for the Bound-to-continuum Transitions in a Biased Quantum-well Infrared Photodetector

Jeong-woo Choe and Hyung-Joon Hwang  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 9, Issue 4, pp. 131-134 (2005)

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We have proposed a method to calculate the absorption coefficients for the bound-to-continuum transitions in a strong biased quantum-well infrared photodetector. We have applied this method to a manufactured sample of typical device parameters, and obtained good agreements with experiments. The absorption coefficients evaluated are up to 5,700/cm at some particular operating conditions. We have also been able to make a qualitative explanation for the bias dependence of response.

© 2005 Optical Society of Korea

OCIS Codes
(040.3060) Detectors : Infrared
(040.4200) Detectors : Multiple quantum well
(230.2090) Optical devices : Electro-optical devices
(230.5160) Optical devices : Photodetectors
(230.5590) Optical devices : Quantum-well, -wire and -dot devices

Original Manuscript: December 5, 2005
Revised Manuscript: December 15, 2005
Published: December 1, 2005

Jeong-woo Choe and Hyung-Joon Hwang, "Absorption Coefficients for the Bound-to-continuum Transitions in a Biased Quantum-well Infrared Photodetector," J. Opt. Soc. Korea 9, 131-134 (2005)

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