强反馈机制下外腔量子级联激光器的滞后行为

IF 2.2 3区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Journal of Quantum Electronics Pub Date : 2024-02-05 DOI:10.1109/JQE.2024.3362272

Jonas Schundelmeier;Quankui Yang;Stefan Hugger

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引用次数: 0

摘要

我们通过实验研究了利特罗配置的连续波（cw）外腔（EC）量子级联激光器（QCL）的模式跳变，观察到了外腔长度、芯片电流或光栅角度变化时的滞后现象。结果与两种不同的理论模型进行了比较。模拟结果表明，EC-QCL 中的滞后是由模式耦合引起的自稳定造成的。

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Hysteresis Behavior of External Cavity Quantum Cascade Lasers in the Strong Feedback Regime

We experimentally investigate mode hops of a continuous-wave (cw) external cavity (EC) quantum cascade laser (QCL) in Littrow configuration, observing hysteresis for variations of either external cavity length, chip current, or grating angle. The results are compared with two different theoretical models. Simulation results suggest that hysteresis in EC-QCLs is caused by self-stabilization due to mode coupling.

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来源期刊

IEEE Journal of Quantum Electronics 工程技术-工程：电子与电气

CiteScore

4.70

自引率

4.00%

发文量

审稿时长

3.0 months

期刊介绍： The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics. The Journal comprises original contributions, both regular papers and letters, describing significant advances in the understanding of quantum electronics phenomena or the demonstration of new devices, systems, or applications. Manuscripts reporting new developments in systems and applications must emphasize quantum electronics principles or devices. The scope of JQE encompasses the generation, propagation, detection, and application of coherent electromagnetic radiation having wavelengths below one millimeter (i.e., in the submillimeter, infrared, visible, ultraviolet, etc., regions). Whether the focus of a manuscript is a quantum-electronic device or phenomenon, the critical factor in the editorial review of a manuscript is the potential impact of the results presented on continuing research in the field or on advancing the technological base of quantum electronics.