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PhotonIcs and Electromagnetics Research Symposium,
also known as Progress In Electromagnetics Research Symposium

PIERS Proceedings

Published by The Electromagnetics Academy

Published: 2015-07-09

Investigation on Reflection of Brillouin Dynamic Grating in Single Mode Optical Fibers

By

Shanglin Hou,

Shanglin Hou

Lanzhou University of Technology, China

Jingli Lei,

Jingli Lei

Lanzhou University of Technology, China

Junfeng Li,

Junfeng Li

Lanzhou University of Technology, China

Suoping Li,

Suoping Li

Lanzhou University of Technology, China

Yan-Jun Liu,

Yan-Jun Liu

Lanzhou University of Technology, China

Wenyu Zhang

Wenyu Zhang

Lanzhou University of Technology, China

Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)2056-2060

Abstract

The theory of static fiber Bragg grating was used to investigate the phenomenon that the perturbation of the refractive index modulated during the process of SBS which named as Brillouin dynamic gratings in optical fibres. Then the reflection of Brillouin dynamic gratings are studied and simulated by the coupled-mode theory in single-mode optical fibers. It is shown that the reflectivity becomes larger and the FWHM becomes narrower with the length of Bril- louin dynamic grating increasing. However, with the increasing of refractive index modulation, the reflectivity becomes larger and the FWHM becomes broad. Additionally, the maximum re- flectance red-shifts with the increase of core index. Finally, the maximum reflectivity is 0.9329 when the length of Brillouin dynamic grating is 100 meters and the refractive index modulation is 1 × 10−8 .

Citation

Shanglin Hou, Jingli Lei, Junfeng Li, Suoping Li, Yan-Jun Liu, and Wenyu Zhang, "Investigation on Reflection of Brillouin Dynamic Grating in Single Mode Optical Fibers," Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)2056-2060

References

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