Abstract
Nonlinear dynamical characteristics of a slave semiconductor laser (S-SL) subject to optical injection from a master SL (M-SL) and optical feedback from a fiber Bragg grating (FBG) are investigated experimentally. First, we investigate the nonlinear dynamics of the S-SL subject to only optical injection. Through varying the injection coefficient and fixing the frequency detuning between the M-SL and S-SL, some dynamical states with typical characteristics are recorded and identified. Next, the variations of these dynamical states are further investigated with the introduction of a FBG feedback, and the according results show that these dynamical states may be changed after a FBG feedback is introduced into the S-SL. Finally, after collecting the mappings of the dynamical states of S-SL in the parameter space of injection coefficient and frequency detuning under different FBG feedback coefficients, the influences of FBG feedback on the nonlinear dynamics of the S-SL are analyzed.
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