11 May 2012 Extended synchronization resulting from resonant phase and intensity dynamics in a dual-polarization laser
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Abstract
We study experimentally and numerically the synchronization dynamics of two laser modes, coupled by a coherent optical feedback injection. For a given coupling strength, we observe three synchronization regimes, depending on the initial detuning between the modes. If this detuning is sufficiently weak, the phase of the beat between the two modes remains constant. In contrast, for very large detuning, this relative phase drifts. Besides these two familiar cases, we identify an intermediate situation, in which the relative phase oscillates while remaining bounded. The frequency locking is preserved, even in the absence of phase locking.
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Jérémie Thévenin, Marco Romanelli, Marc Brunel, Marc Vallet, Thomas Erneux, "Extended synchronization resulting from resonant phase and intensity dynamics in a dual-polarization laser", Proc. SPIE 8432, Semiconductor Lasers and Laser Dynamics V, 84321Y (11 May 2012); doi: 10.1117/12.922243; https://doi.org/10.1117/12.922243
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