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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)

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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

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

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)

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  1. E.M. Dianov, M.V. Grekov, I.A. Bufetov, S.A. Vasiliev, O.I. Medvedkov, V.G. Plotnichenko,1 V.V. Koltashev, A.V. Belov, M.M. Bubnov, S.L. Semjonov, and A.M. Prokhorov, "CW high power 1.24 µm and 1.48 µm Raman lasers based on low loss phosphosilicate fibre," Electron. Lett. 33, 1542-1544 (1997) [CrossRef]
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  4. S.V. Smirnov, J.D. Ania Castanon, T.J. Ellingham, S.M. Kobtsev, S. Kukarin, S.K. Turitsyn, "Optical spectral broadening and supercontinuum generation in telecom applications," Opt. Fiber Technol. 12122-147 (2006) [CrossRef]
  5. "Raman amplification in Fiber Optical Communication Systems," C. Headley and G.P. Agrawal (Eds.), Academic Press (2005)
  6. J.-C. Bouteiller, "Spectral modeling of Raman fiber lasers,"IEEE Photon. Technol. Lett. 15, 1698-1700 (2003) [CrossRef]
  7. S.A. Babin, D.V. Churkin, E.V. Podivilov "Intensity interactions in cascades of a two-stage Raman fiber laser," Opt. Commun. 226, 329-335 (2003) [CrossRef]
  8. J.D. Ania-Castañón, "Quasi-lossless transmission using second-order Raman amplification and fibre Bragg gratings," Opt. Express 12, 4372-4377 (2004) http://www.opticsinfobase.org/abstract.cfm?URI=oe-12-19-4372 [CrossRef] [PubMed]
  9. T.J. Ellingham, J.D. Ania-Castañón, R. Ibbotson, X. Chen, L. Zhang, SergeiK. Turitsyn, "Quasi-lossless optical links for broad-band transmission and data processing," IEEE Photon. Technol. Lett. 18, 268-270 (2006) [CrossRef]
  10. J.D. Ania-Castañón, T.J. Ellingham, R. Ibbotson, X. Chen, L. Zhang, SergeiK. Turitsyn, "Ultralong raman fiber lasers as virtually lossless optical media," Phys. Rev. Lett. 96, 023902 (2006) [CrossRef] [PubMed]
  11. S.A. Babin, V. Karalekas, P. Harper, E.V. Podivilov, V.K. Mezentsev, J.D. Ania-Castañón and S.K. Turitsyn, "Experimental demonstration of mode structure in ultralong Raman fiber lasers," Opt. Lett. 32, 1135-1137 (2007) [CrossRef] [PubMed]
  12. S.A. Babin, D.V. Churkin, A.E. Ismagulov, S.I. Kablukov, E.V. Podivilov, "FWM-induced turbulent spectral broadening in a long Raman fiber laser," J. Opt. Soc. Am. B 24, 1729-1738 (2007) [CrossRef]
  13. J.D. Ania-Castañón, V. Karalekas, P. Harper and S.K. Turitsyn, "Simultaneous spatial and spectral transparency using ultra-long fibre laser transmission", in Proceedings of the European Conference on Optical Communications 2007, paper 1.4.3, Berlin, Germany, 2007

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