期刊
出版社
ROYAL SOC
DOI: 10.1098/rsta.2020.0241
关键词
vertical-cavity surface-emitting laser; polarization bistability; vibrational resonance; all-optical switching; self-mixing interferometry
资金
- Belarus State Programme for Scientific Research-Photonics and OptoMicroeletronics [2.1.01]
This paper presents experimental results on the application of vibrational resonance (VR) to enhance the response of a bistable VCSEL to optical modulating signals. It demonstrates a strong amplification of optical signals in both all-optical switching and self-mixing optical interferometry applications. The results show that the amplification factor varies from 10 to 200 depending on the experimental conditions, with a focus on improving communication systems.
The paper presents the results of the experimental study of an application of the phenomenon of vibrational resonance (VR) for enhancement of the response of a bistable vertical-cavity surface-emitting laser (VCSEL) to the effect of optical modulating signals. Specifically, two different cases were investigated: (a) the control of all-optical switching caused by a modulated orthogonal optical injection from another VCSEL and (b) the amplification of autodyne signals from a vibrating diffusely reflecting surface in the self-mixing optical interferometry. It is experimentally demonstrated that an application of the phenomenon of VR in both cases studied leads to a strong amplification of the input optical signals by a factor from 10 to 200 depending on the experimental conditions with respect to the initial values. The effect of the asymmetry of a bistable potential on the amplification factor was also studied. The results obtained can be used to improve all-optical switchings for application in communication systems and enhancement of autodyne signals in self-mixing optical interferometry. This article is part of the theme issue 'Vibrational and stochastic resonance in driven nonlinear systems (part 1)'.
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