Role of nonlinear effects in Raman fiber laser spectral broadening

S. A. Babin; D. V. Churkin; A. E. Ismagulov; S. I. Kablukov; E. V. Podivilov

doi:10.1117/12.740165

13 April 2007 Role of nonlinear effects in Raman fiber laser spectral broadening

S. A. Babin, D. V. Churkin, A. E. Ismagulov, S. I. Kablukov, E. V. Podivilov

Proceedings Volume 6612, Laser Optics 2006: Diode Lasers and Telecommunication Systems; 661206 (2007) https://doi.org/10.1117/12.740165
Event: Laser Optics 2006, 2006, St. Petersburg, Russian Federation

Abstract

We present an analytical model based on a wave kinetic equations that describes RFL output spectrum. We have shown both theoretically and experimentally that the four-wave mixing (FWM) is the main broadening mechanism. Near the Stokes wave generation threshold the Stokes wave spectrum profile is defined by the nondegenerate FWM between Stokes wave and pump wave. High above the generation threshold, the quasi-degenerate FWM between different Stokes wave longitudinal modes plays the main role. The shape and power dependence of the intracavity Stokes wave spectrum is in a excellent quantitative agreement with model predictions.

Citation Download Citation

S. A. Babin, D. V. Churkin, A. E. Ismagulov, S. I. Kablukov, and E. V. Podivilov "Role of nonlinear effects in Raman fiber laser spectral broadening", Proc. SPIE 6612, Laser Optics 2006: Diode Lasers and Telecommunication Systems, 661206 (13 April 2007); https://doi.org/10.1117/12.740165

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