Characterization of distributed modal birefringence in a few-mode fiber based on Brillouin dynamic grating

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We propose and demonstrate generation of Brillouin dynamic grating (BDG) in a few-mode fiber (FMF) with a Gaussian pulse pump and a counterpropagating continuous wave pump in LP01 mode. Brillouin optical time-domain analysis (BOTDA) is achieved by launching a third Gaussian pulse probe in LP11 mode. With coherent detection and time-domain analysis on the backreflected probe signal, the modal birefringence of the FMF is characterized via the distributed BDG with high spatial resolution and high accuracy.
Publisher
OPTICAL SOC AMER
Issue Date
2014-06
Language
English
Article Type
Article
Keywords

POLARIZATION-MAINTAINING FIBER; CO-OFDM SIGNAL; OPTICAL-FIBER; 2-MODE FIBER; TRANSMISSION; SCATTERING

Citation

OPTICS LETTERS, v.39, no.11, pp.3153 - 3156

ISSN
0146-9592
DOI
10.1364/OL.39.003153
URI
http://hdl.handle.net/10203/192704
Appears in Collection
PH-Journal Papers(저널논문)
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