2015
DOI: 10.7498/aps.64.154205
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High speed bidirectional dual-channel chaos secure communication based on semiconductor ring lasers

Abstract: Chaos is a fascinating phenomenon of nonlinear dynamical systems, and optical chaos communication has been one of potential frontier techniques to implement secure transmission of information. In this paper a novel high-speed bidirectional dual-channel chaos secure communication system is proposed based on semiconductor ring lasers (SRLs). In this system, the time delay signatures in chaotic output of clockwise (CW) and counterclockwise (CCW) patterns from a driving SRL (D-SRL) are firstly suppressed by using … Show more

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Cited by 9 publications
(2 citation statements)
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“…This study of the MQW laser possesses the reference value to complex systems, chaotic dynamics and laser physics. [22][23][24][25][26][27][28][29][30] The main objective of this paper is to describe how the laser develops a road to chaos after bifurcation as a function of the feedback level, delayed time and the transfers of carriers. We believe that the abrupt change of the gain can lead to a bistable state and dual-frequency for the periodic state in the MQW laser due to the feedback.…”
Section: Introductionmentioning
confidence: 99%
“…This study of the MQW laser possesses the reference value to complex systems, chaotic dynamics and laser physics. [22][23][24][25][26][27][28][29][30] The main objective of this paper is to describe how the laser develops a road to chaos after bifurcation as a function of the feedback level, delayed time and the transfers of carriers. We believe that the abrupt change of the gain can lead to a bistable state and dual-frequency for the periodic state in the MQW laser due to the feedback.…”
Section: Introductionmentioning
confidence: 99%
“…It is worth noting with the excitement that there has been a great deal of research on complexity science by the Chinese physical community, including works on stochastic resonance, bifurcations, and chaos. [8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] Mathematically, multifractals are characterized by many or infinitely many power-law relations. In this paper, we work with a specific type of multifractal, called the random multiplicative process model, to analyze the color value and the clarity degree.…”
Section: Introductionmentioning
confidence: 99%