Chinese Optics Letters, 2016, 14 (8): 081901, Published Online: Aug. 3, 2018  

Extracting signal via stochastic resonance in the semiconductor optical amplifier Download: 881次

Author Affiliations
State Key Laboratory of Transient Optics and Photonics, Xi’an Institute of Optics and Precision Mechanics, Chinademy of Sciences, Xi’an 710119, China
Abstract
The stochastic resonance based on optical bistability in the semiconductor optical amplifier is numerically investigated to extract a weak pulse signal buried in noise. The output property of optical bistability under different system parameters is analyzed, which determines the performance of the stochastic resonance. Through optimizing these parameters, the noise-hidden signal is extracted via stochastic resonance, in which the maximum cross-correlation gain higher than nine is obtained. This provides a novel technology for detecting a weak optical signal in various signal processing fields.

Wulong Zhao, Hongjun Liu, Qibing Sun, Nan Huang, Zhaolu Wang, Jing Han, Heng Sun. Extracting signal via stochastic resonance in the semiconductor optical amplifier[J]. Chinese Optics Letters, 2016, 14(8): 081901.

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