What is it about?
This paper investigates the influence of the rotating polarization-preserved optical feedback on the chaos synchronization of a vertical-cavity surface-emitting laser (VCSEL). Two VCSELs' polarization modes (XP) and (YP) are gradually rotated and re-injected into the VCSEL. The anti-phase dynamics synchronization of the two polarization modes is evaluated using the cross-correlation function. For fixed optical feedback, a clear relationship is found between the cross-correlation coefficient and the polarization angle θ p. It is shown that high-quality anti-phase polarization-resolved chaos synchronization is achieved at higher values of θ p. The maximum value of the cross-correlation coefficient achieved is− 0.99 with a zero time delay over a wide range of θ p beyond 65 with a poor synchronization dynamic at θ p less than 65.
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Why is it important?
It is shown that high-quality anti-phase polarization-resolved chaos synchronization is achieved at higher values of θ p. The maximum value of the cross-correlation coefficient achieved is 0.99 with a zero time delay over a wide range of θ p beyond 65 with a poor synchronization dynamic at θ p less than 65.
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This page is a summary of: Chaos synchronization in vertical-cavity surface-emitting laser based on rotated polarization-preserved optical feedback, Chaos An Interdisciplinary Journal of Nonlinear Science, January 2016, American Institute of Physics,
DOI: 10.1063/1.4940766.
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