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17 May 2019 Spectral polarization spreading effect of stimulated Brillouin scattering in fibers
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Proceedings Volume 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019); 111701W (2019) https://doi.org/10.1117/12.2533557
Event: Fourteenth National Conference on Laser Technology and Optoelectronics, 2019, Shanghai, China
Abstract
Based on the polarization vector propagation equation of stimulated Brillouin scattering (SBS) nonlinear effects in fibers, we find the spectral polarization spreading behavior in SBS. As a signal light propagates along a fiber, the state of polarization of different frequency components of the signal light will experience different polarization pulling forces from the counter propagating pump light, resulting in a nearly circular symmetry of spectral spreading of the polarization state at the output end of fiber. Through theoretical analysis and simulation, this paper studies the SBS spectrum polarization spreading effects in the cases of ideal single mode fiber(SMF), practical SMF, and polarization maintaining fiber (PMF). Finally, we demonstrate the SBS spectrum polarization spreading effect in a 200m SMF and a 140m PMF experimentally and good agreement with theory is found.
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Gang Liu, Chunhua Wang, Yali Zhang, and Jingjing Zhao "Spectral polarization spreading effect of stimulated Brillouin scattering in fibers", Proc. SPIE 11170, 14th National Conference on Laser Technology and Optoelectronics (LTO 2019), 111701W (17 May 2019); https://doi.org/10.1117/12.2533557
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