Weak optical signal enhancement based on stimulated Brillouin scattering in optical fiber

Liwen Sheng; Dexin Ba; Zhiwei Lu

doi:10.1364/OPJ.2018.31pPJ10

2018 Joint Symposia on Optics
(Optica Publishing Group, 2018),
paper 31pPJ10
•https://doi.org/10.1364/OPJ.2018.31pPJ10

Weak optical signal enhancement based on stimulated Brillouin scattering in optical fiber

Liwen Sheng, Dexin Ba, and Zhiwei Lu

Optics and Photonics Japan 2018

Tokyo Japan
30–31 October 2018
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L. Sheng, D. Ba, and Z. Lu, "Weak optical signal enhancement based on stimulated Brillouin scattering in optical fiber," in 2018 Joint Symposia on Optics, (Optica Publishing Group, 2018), paper 31pPJ10.

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Abstract

A high-gain and frequency-selective amplifier for weak optical echo signal based on stimulated Brillouin scattering in fiber is proposed. which is an excellent candidate for the weak signal enhancement in traditional lidar system especially in bad weather. In experiment, a maximum signal gain of 68 dB was obtained.

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