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Experimental injection map of semiconductor laser submitted to filtered feedback

机译：提交给滤波反馈的半导体激光器的实验注入图

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摘要

Optical injection consists in the unidirectional coupling between a "slave" laser (SL) and a "Master" laser (ML). The injected SL may exhibit different behaviors, showing frequency locking, wave mixing, relaxation regimes, period doubling, and chaos. The different regimes may be mapped on a chart where the injected power and the detuning between the slave and the master frequencies are varied. In this paper, a detailed overview of the regimes are given when the SL is submitted to both optical injection and filtered optical feedback. This last coupling is realized thanks to an extended cavity, which includes a frequency filter. When the SL is operating far from threshold (4 I-th), typical regimes mentioned for feedback-free laser are observed for all the external-cavity modes. On the contrary, when the SL operates close to threshold (1.5 I-th), it is shown that the dynamics is wealthier. New regimes, as one for which simultaneously chaos and locking occur, can be identified, in comparison to the case of a single-frequency SL.
机译：光学注入在于“从”激光器（SL）和“主”激光器（ML）之间的单向耦合。注入的SL可能表现出不同的行为，显示出频率锁定，混波，弛豫机制，周期加倍和混沌。可以将不同的状态映射到图表上，在图表上，注入功率和从属频率与主频率之间的失谐会发生变化。在本文中，当将SL提交给光学注入和滤波后的光学反馈时，将详细介绍这些方案。最后的耦合归功于扩展的腔体，该腔体包括一个频率滤波器。当SL工作在远离阈值（第4 I）的位置时，对于所有外腔模式，都会观察到针对无反馈激光器提到的典型方案。相反，当SL接近阈值（1.5 I-th）时，表明动力学更富裕。与单频SL的情况相比，可以识别出同时发生混乱和锁定的新状态。

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