Phase synchronization in a diode-laser-pumped Nd:YAG laser coupled with a chaotic oscillator

We have studied synchronous behaviors between a diode-laser-pumped Nd:YAG laser and an electronically-implemented Rössler oscillator. When the Rössler oscillator is unidirectionally coupled to the Nd:YAG laser, two chaotic systems develops from a non-synchronous state to a phase synchronization stat...

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Bibliographic Details
Published in:Journal of the Korean Physical Society 2012, 60(3), , pp.322-326
Main Authors: Lee, Dae-Sic, Kim, Guang-Hoon, Kang, Uk, Kim, Chil-Min
Format: Article
Language:English
Subjects:
Mathematical and Computational Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Theoretical
물리학
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Summary:We have studied synchronous behaviors between a diode-laser-pumped Nd:YAG laser and an electronically-implemented Rössler oscillator. When the Rössler oscillator is unidirectionally coupled to the Nd:YAG laser, two chaotic systems develops from a non-synchronous state to a phase synchronization state with a π phase shift through a 2 π phase jump state as the coupling strength increases. To verify that the π phase shift is not anti-phase synchronization but phase synchronization(PS) with a π phase shift, we propose two kinds of similarity functions. From the similarity functions, we confirm that the synchronous phenomenon is PS with a π phase shift.
ISSN:0374-4884
1976-8524
DOI:10.3938/jkps.60.322