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Fluctuations, stochastic resonance and noise-protected heterodyning in bistable optical systems.

Dykman, M. I. and Golubev, G. P. and Kaufman, I. Kh and Luchinsky, D. G. and McClintock, Peter V. E. and Zhukov, E. A. (1995) Fluctuations, stochastic resonance and noise-protected heterodyning in bistable optical systems. Il Nuovo Cimento D, 17 (7-8). pp. 743-754.

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Abstract

Statistical distributions, power spectra and susceptibilities of an all-optical bistable system subject to noise are considered. In the presence of an additional small periodic signal, a stochastic-resonance phenomenon for additive noise is found to occur, and has been investigated theoretically and experimentally. A new form of optical heterodyning related to stochastic resonance, in which two high-frequency signals (an input signal and a reference one) are applied to an all-optical bistable system, is reported. A noise-induced enhancement of the heterodyne signal has been investigated theoretically, by means of analogue electronic simulation and in experiments in which an optical system was driven by two modulated laser beams at different wavelengths.

Item Type: Article
Journal or Publication Title: Il Nuovo Cimento D
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Engineering
Faculty of Science and Technology > Physics
ID Code: 32109
Deposited By: Professor P. V. E. McClintock
Deposited On: 09 Mar 2010 10:56
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 17:05
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/32109

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