Homogeneous Raman gain saturation at high pump and Stokes powers in a phosphosilicate fiber

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

doi:10.1117/12.740161

13 April 2007 Homogeneous Raman gain saturation at high pump and Stokes powers in a phosphosilicate fiber

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

Proceedings Volume 6612, Laser Optics 2006: Diode Lasers and Telecommunication Systems; 661204 (2007) https://doi.org/10.1117/12.740161
Event: Laser Optics 2006, 2006, St. Petersburg, Russian Federation

Abstract

A Raman gain spectral profile has been measured in a phosphosilicate fiber at high pump and Stokes (signal) wave powers by a coherent anti-Stokes Raman scattering (CARS) technique. It has been shown that the profile saturates homogeneously. The main saturation mechanism is proved to be the pump depletion; i.e., the Raman gain coefficient _gR does not depend on the pump and signal wave power of several watts. The possible influence of stimulated Brillouin scattering and four-wave mixing is discussed. In addition, a transient regime of the CARS signal has been experimentally observed and theoretically explained.

Citation Download Citation

S. A. Babin, D. V. Churkin, S. I. Kablukov, and E. V. Podivilov "Homogeneous Raman gain saturation at high pump and Stokes powers in a phosphosilicate fiber", Proc. SPIE 6612, Laser Optics 2006: Diode Lasers and Telecommunication Systems, 661204 (13 April 2007); https://doi.org/10.1117/12.740161

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