Chaos and extreme events in an azimuthally polarized Nd:GdVO 4 laser with pump modulation

Nonlinear dynamics and extreme events were explored in a spatially distributed polarization laser based on an azimuthally polarized Nd:GdVO laser with pump modulation. When the modulation frequency approached the relaxation oscillation frequency, a period-doubling route to chaos was observed with an...

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Bibliographic Details
Published in:Optics letters 2017-02, Vol.42 (3), p.423
Main Authors: Chiu, Chi-Pin, Jiang, Xiu-Wei, Chang, Ken-Chia, Wei, Ming-Dar
Format: Article
Language:English
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Summary:Nonlinear dynamics and extreme events were explored in a spatially distributed polarization laser based on an azimuthally polarized Nd:GdVO laser with pump modulation. When the modulation frequency approached the relaxation oscillation frequency, a period-doubling route to chaos was observed with an increasing modulation depth, and spatiotemporal extreme events occurred with the generation of the chaos. An efficient azimuthal polarization was kept, even though the intensity fluctuated in the chaotic region.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.42.000423