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14 May 2002 Theory of spectral supercontinuum generation in microstructure fibers
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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 investigate an extremely complex mechanism of spectral supercontinuum generation at the propagation of intensive femtosecond laser pulses in microstructure (photonic crystal) fibers beyond the slowly-varying envelope approximation. We discuss and compare theoretical approaches grounded on the considerations of field and spectral evolution of the pulses. We present new nonlinear spectral equation, first-order in propagation coordinate, applicable for the study of femtosecond supercontinuum generation in microstructure fiber with arbitrary linear dispersion. We demonstrate a very good agreement to independently published experimental data found in numerical simulations. We study formation and evolution of few-cycle solitary waves under the effects of Kerr and Raman nonlinearities.
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Yuri A. Shpolyanskiy, Sergei A. Kozlov, Victor G. Bespalov, and Gunter Steinmeyer "Theory of spectral supercontinuum generation in microstructure fibers", Proc. SPIE 4638, Optical Devices for Fiber Communication III, (14 May 2002);

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