Modulated stochastic multiresonance in single-mode laser system without input periodic signal
Liang Gui-Yun (梁贵云)a, Cao Li (曹力)ab, Wu Da-Jin (吴大进)ab
a State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074, China; b China Centre of Advanced Science and Technology (World Laboratory), Beijing 100080, China
Abstract The stochastic resonance phenomenon in a single-mode laser system driven by multiplicative and additive Gaussian white noises without external periodic force is studied. We find that there are multiple extrema (maximum) in the curve of the mean output laser intensity versus the logarithm of multiplicative noise level. This phenomenon reveals that the mean output laser intensity can be amplified at several values of the multiplicative noise intensity, whose peaks are likely modulated by a sinusoidal function.
Received: 14 March 2003
Revised: 29 April 2003
Accepted manuscript online:
PACS:
42.60.Jf
(Beam characteristics: profile, intensity, and power; spatial pattern formation)
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10275025).
Cite this article:
Liang Gui-Yun (梁贵云), Cao Li (曹力), Wu Da-Jin (吴大进) Modulated stochastic multiresonance in single-mode laser system without input periodic signal 2003 Chinese Physics 12 1105
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