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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. 6 — Jun. 10, 2005
  • pp: 348–350

The phenomenon of stochastic resonance in a single-mode laser system with an input periodical signal

Dahai Xu, Li Cao, Dajin Wu, and Qinghua Cheng  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue 6, pp. 348-350 (2005)

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Using the linear approximation method, we study a single-mode laser system driven by colored pump noise and quantum noise with coupling between the real and imaginary parts when the laser is operated well above threshold. The steady state mean intensity fluctuation C(0) and signal-to-noise ratio (SNR) are calculated. It is found that there is a maximum in SNR when there is a minimum in the fluctuation of laser system if the coupling coefficient between real and imaginary parts of the quantum noise equals zero.

© 2005 Chinese Optics Letters

OCIS Codes
(000.5490) General : Probability theory, stochastic processes, and statistics
(140.3430) Lasers and laser optics : Laser theory
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

Dahai Xu, Li Cao, Dajin Wu, and Qinghua Cheng, "The phenomenon of stochastic resonance in a single-mode laser system with an input periodical signal," Chin. Opt. Lett. 3, 348-350 (2005)

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