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14 May 2002 Simultaneous Stokes and anti-Stokes Raman amplification in silica fiber
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Proceedings Volume 4638, Optical Devices for Fiber Communication III; (2002)
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States
We present a new, to our knowledge, method of Stokes-anti-Stokes Raman amplification in fiber, based on our idea of anti-Stokes generation at stimulated Raman scattering in media with variations of third order nonlinearity along longitudinal coordinate. The quasi-phase matching conditions at different pump wave intensity are obtained by numerical simulation. The dependence of layers lengths on pump wave intensity is computed. We received the models of media in which the Stokes-anti-Stokes amplification coefficient is higher than 10 dB. We propose the analytical model of quasi-phase matching stimulated Raman scattering in silica fiber which shows significant calculations rate improvement (~120 times) comparison with differential equations model. The results of our research can be used for creation of new effective optical fiber amplifiers.
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Nikolai S. Makarov and Victor G. Bespalov "Simultaneous Stokes and anti-Stokes Raman amplification in silica fiber", Proc. SPIE 4638, Optical Devices for Fiber Communication III, (14 May 2002);

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