Synchronization of Chaotic Degenerate Optical Parametric Oscillator by Hyperchaotic Signal Modulating Parameter

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2007, Vol. 24 ›› Issue (6): 677-682.

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Synchronization of Chaotic Degenerate Optical Parametric Oscillator by Hyperchaotic Signal Modulating Parameter

FENG Xiuqin, SHEN Ke

Department of Physics, Changchun University of Science and Technology, Changchun 130022, China

Received:2006-07-12 Revised:2006-12-18 Online:2007-11-25 Published:2007-11-25

Abstract

Abstract: We study chaotic synchronization in degenerate optical parametric oscillators(DOPOs) by hyperchaotic signal modulating parameter.It shows that synchronization or inversed synchronization is realized in two or more chaotic systems by adjusting modulating coefficient as the maximum condition Lyapunov exponent(MCLE) of the system is negative.It is observed that the synchronization states depend on initial conditions and modulating coefficients.Under certain initial conditions,the synchronization state shows spontaneous mutation at some modulating coefficients.

Key words: optical chaos, modulating parameter, synchronization, degenerate optical parametric oscillators

CLC Number:

O322

FENG Xiuqin, SHEN Ke. Synchronization of Chaotic Degenerate Optical Parametric Oscillator by Hyperchaotic Signal Modulating Parameter[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2007, 24(6): 677-682.

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Synchronization of Chaotic Degenerate Optical Parametric Oscillator by Hyperchaotic Signal Modulating Parameter

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