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

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

Open Access Open Access

Abstract

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

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