Microscopic modeling of intersubband optical processes in Type II semiconductor quantum wells: linear absorption

Jianzhong Li; Konstantin I. Kolokolov; Cun-Zheng Ning

doi:10.1117/12.474398

25 July 2003 Microscopic modeling of intersubband optical processes in Type II semiconductor quantum wells: linear absorption

Jianzhong Li, Konstantin I. Kolokolov, Cun-Zheng Ning

Author Affiliations +

Proceedings Volume 4986, Physics and Simulation of Optoelectronic Devices XI; (2003) https://doi.org/10.1117/12.474398
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

Intersubband absorption spectra are analyzed using the density matrix theory under the second Born approximation. The intersubband semiconductor Bloch equations are derived from the first principles including electron-electron and electron-longitudinal optical phonon interactions, whereas electron-interface roughness scattering is considered using Ando's theory. A spurious-states-free 8-band k•p Hamiltonian is used, in conjunction with the envelope function approximation to calculate the electronic band structure self-consistently for type II InAs/AlSb multiple quantum well structures. We demonstrate the interplay of various physical processes in the absorption spectra in the mid-infrared frequency range.

Citation Download Citation

Jianzhong Li, Konstantin I. Kolokolov, and Cun-Zheng Ning "Microscopic modeling of intersubband optical processes in Type II semiconductor quantum wells: linear absorption", Proc. SPIE 4986, Physics and Simulation of Optoelectronic Devices XI, (25 July 2003); https://doi.org/10.1117/12.474398

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