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Proceedings Paper

Investigation on threshold of stimulated Raman scattering in optical fibers
Author(s): Yuanhong Yang; Ting Jiang; Wei Jin; Mingwei Yang
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Paper Abstract

The evolutions of residual pump power and forward Raman Stokes scattering light power with increasing pump power level are investigated by numerical simulation. The Stokes power variation shows obviously threshold characteristic which is similar to that of laser diode, and the pump power corresponding to the maximum of the second derivative of the Raman Stokes signal vs. pump power curve was defined as the pump threshold. A threshold equation was obtained by fitting the results obtained for different fiber characteristic parameters β. Simple experiments were carried out with a pulse pump laser and a 24 km long single mode fiber, and the experimental results agree well with the result obtained threshold equation numerically.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84219S (7 November 2012); doi: 10.1117/12.974809
Show Author Affiliations
Yuanhong Yang, BeiHang Univ. (China)
Ting Jiang, BeiHang Univ. (China)
Wei Jin, BeiHang Univ. (China)
The Hong Kong Polytechnic Univ. (Hong Kong, China)
Mingwei Yang, BeiHang Univ. (China)

Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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