Time-Domain Traveling-Wave Model of Distributed-feedback Quantum Cascade Laser

Sara Zaminga,Lorenzo Columbo,Carlo Silvestri,Mariangela Gioannini,Frédéric Grillot

2023 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD)（2023）

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摘要

In this paper, a time-domain (TD) traveling-wave (TW) model based on the Effective Semiconductor Maxwell-Bloch Equations (ESMBEs) and a coupled-mode theory is proposed for the description of the dynamics of a mid-Infrared (mid-IR) Quantum Cascade Laser (QCL) in the Distributed-Feedback (DFB) configuration. The influence of physical and geometrical properties on the QCL’s dynamics is investigated. Numerical simulations find good agreement with the experimental results obtained with a DFB QCL operating at 9.34 μm.

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关键词

Quantum cascade laser,distributed-feedback laser,time-domain traveling-wave model,coupled-mode theory

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