Microscopic density matrix model for optical gain of terahertz quantum cascade lasers : many-body, nonparabolicity, and resonant tunneling effects
Intersubband semiconductor-Bloch equations are investigated by incorporating many-body Coulomb interaction, nonparabolicity, and coherence of resonant tunneling transport in a quantitative way based on the density matrix theory. The calculations demonstrate the importance of these parameters on opti...
Main Authors: | Liu, Tao, Lee, Kenneth E., Wang, Qi Jie |
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Other Authors: | School of Electrical and Electronic Engineering |
Format: | Journal Article |
Language: | English |
Published: |
2013
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/96317 http://hdl.handle.net/10220/10225 |
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