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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 10 — May. 14, 2007
  • pp: 6146–6151

Experimental study on the effect of codirectional Raman gain on system’s performance

Chul Han Kim, Eui Seung Son, Ho-Shin Cho, Young-Geun Han, Ju Han Lee, and Sang Bae Lee  »View Author Affiliations


Optics Express, Vol. 15, Issue 10, pp. 6146-6151 (2007)
http://dx.doi.org/10.1364/OE.15.006146


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Abstract

We have experimentally investigated the impact of codirectional Raman gains on the performance of distributed fiber Raman amplified systems. The effects of various noise sources, such as optical signal-to-noise ratio (OSNR) degradation, fiber nonlinearities and surviving channel gain variation in different Raman pumping schemes, were evaluated as a function of input power into a fiber span. For measurements, distributed Raman gain was generated by pumping the fiber span with different combinations of Raman pump power between co- and counterdirections. From the results, we found that a large counterdirectional Raman gain assisted by a small codirectional gain could improve the overall static and dynamic performance of distributed Raman amplified systems.

© 2007 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 16, 2007
Revised Manuscript: April 24, 2007
Manuscript Accepted: April 27, 2007
Published: May 3, 2007

Citation
Chul Han Kim, Eui Seung Son, Ho-Shin Cho, Young-Geun Han, Ju Han Lee, and Sang Bae Lee, "Experimental study on the effect of codirectional Raman gain on system’s performance," Opt. Express 15, 6146-6151 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-10-6146


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References

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