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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 25 — Dec. 10, 2007
  • pp: 16690–16695

Impact of nonlinear spectral broadening in ultra-long Raman fibre lasers

V. Karalekas, J. D. Ania-Castañón, P. Harper, S. A. Babin, E. V. Podivilov, and S. K. Turitsyn  »View Author Affiliations


Optics Express, Vol. 15, Issue 25, pp. 16690-16695 (2007)
http://dx.doi.org/10.1364/OE.15.016690


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Abstract

We present an experimental study of the impact of FWM-induced nonlinear spectral broadening on the effective reflectivity of ultra-long Raman fiber laser cavities of diverse lengths and fiber bases. We observe an exponential decay of the effective reflectivity with growing power. In standard single-mode fiber, effective reflectivity drops of up to 50% for shorter cavity lengths are observed, while the longest cavity length of 82.4km displays power leakage amounting to an effective reduction of reflectivity of approximately 30%. Using different types of fiber we examine the effect of chromatic dispersion on the Stokes wave broadening.

© 2007 Optical Society of America

OCIS Codes
(140.3550) Lasers and laser optics : Lasers, Raman
(190.5650) Nonlinear optics : Raman effect

ToC Category:
Nonlinear Optics

History
Original Manuscript: September 10, 2007
Revised Manuscript: October 19, 2007
Manuscript Accepted: October 20, 2007
Published: December 3, 2007

Citation
V. Karalekas, J. D. Ania-Castañón, P. Harper, S. A. Babin, E. V. Podivilov, and S. K. Turitsyn, "Impact of nonlinear spectral broadening in ultra-long Raman fibre lasers," Opt. Express 15, 16690-16695 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-25-16690


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References

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