Microscopic theory and simulation of quantum well intersubband absorption: a three-subband model

Jianzhong Z. Li; Cun Zheng Ning

doi:10.1117/12.537775

18 June 2004 Microscopic theory and simulation of quantum well intersubband absorption: a three-subband model

Jianzhong Z. Li, Cun Zheng Ning

Proceedings Volume 5349, Physics and Simulation of Optoelectronic Devices XII; (2004) https://doi.org/10.1117/12.537775
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

We study the linear intersubband absorption spectra of a 15 nm InAs quantum well using the intersubband semiconductor Bloch equations with a three-subband model and a constant dephasing rate. We demonstrate the evolution of intersubband absorption spectral line shape as a function of temperature and electron density. Through a detailed examination of various contributions, such as the phase space filling effects, the Coulomb many-body effects and the nonparabolicity effect, we illuminate the underlying physics that shapes the spectra.

Citation Download Citation

Jianzhong Z. Li and Cun Zheng Ning "Microscopic theory and simulation of quantum well intersubband absorption: a three-subband model", Proc. SPIE 5349, Physics and Simulation of Optoelectronic Devices XII, (18 June 2004); https://doi.org/10.1117/12.537775

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