Polarization dependence of gain and amplified spontaneous Brillouin scattering noise analysis for fiber Brillouin amplifier Project supported by the National Natural Science Foundation of China (Grant Nos. 61531003, 61690195, 61701040, and 61427813), the Fund of State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications (BUPT), China, and the Youth Research and Innovation Program of BUPT, China

The polarization dependences of gain and amplified spontaneous Brillouin scattering (ABS) noise for fiber Brillouin amplifier (FBA) are analyzed through theories, simulations, and experiments. Modified vector propagation equations for calculating the gain of the probe signal and the ABS noise are de...

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Bibliographic Details
Published in:Chinese physics B 2019-09, Vol.28 (9)
Main Authors: Mu, Kuan-Lin, Shang, Jian-Ming, Tang, Li-Hua, Wang, Zheng-Kang, Yu, Song, Qiao, Yao-Jun
Format: Article
Language:English
Subjects:
fiber Brillouin amplifier
spontaneous Brillouin scattering
state of polarization
stimulated Brillouin scattering
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Summary:The polarization dependences of gain and amplified spontaneous Brillouin scattering (ABS) noise for fiber Brillouin amplifier (FBA) are analyzed through theories, simulations, and experiments. Modified vector propagation equations for calculating the gain of the probe signal and the ABS noise are derived and analyzed in the Stokes spaces. In simulations and experiments, we prove that the gain of the probe signal and the ABS noise are strongly dependent on the relative state of polarization (SOP) of the pump and probe signals. The closer the relative SOP of the pump and probe signals is, the more obvious ABS noise suppression effect will be brought by increasing the power of the input probe signal.
ISSN:1674-1056
DOI:10.1088/1674-1056/ab38ab