首页> 外文期刊>Journal of the Optical Society of America, B. Optical Physics >Modal dynamics above the threshold of higher-order transverse modes in a vertical-cavity surface-emitting laser with isotropic optical feedback
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Modal dynamics above the threshold of higher-order transverse modes in a vertical-cavity surface-emitting laser with isotropic optical feedback

机译:具有各向同性光反馈的垂直腔面发射激光器中高于高阶横向模阈值的模态动力学

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摘要

We have experimentally studied modal dynamics of a vertical-cavity surface-emitting laser (VCSEL) above the threshold of higher-order transverse modes when the VCSEL is subject to isotropic optical feedback. The dynamics of the higher-order mode reveals resemblance to the so-called low-frequency fluctuation (LFF) and the transition from LFF to coherence collapse near the threshold of single-transverse-mode VCSEL. Influence of control parameters on the dynamics is investigated, and possible mechanism of the dynamics is discussed.
机译:我们已经通过实验研究了垂直腔表面发射激光器(VCSEL)在高阶横向模态阈值以上时的模态动力学,当VCSEL受到各向同性的光反馈时。高阶模态的动力学表现出与所谓的低频波动(LFF)相似,并且从LFF到相干的跃迁在单横模VCSEL的阈值附近崩溃。研究了控制参数对动力学的影响,并讨论了动力学的可能机理。

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