25 April 2002 Soliton generation via intrapulse stimulated Raman scattering in photonic crystal fibers: experimental and numerical investigations
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Proceedings Volume 4655, Photonic Bandgap Materials and Devices; (2002) https://doi.org/10.1117/12.463877
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States
Abstract
We investigate femtosecond pulse propagation in photonic crystal fiber, reporting the generation of tunable femtosecond soliton pulses. For sufficiently broad spectral content, stimulated Raman scattering transfers energy from the higher frequency spectral components to lower frequencies, resulting in a continuous self-frequency shift to longer wavelengths. Power dependent spectral analysis reveals a well-formed soliton at peak powers exceeding 100 W. Background-free intensity autocorrelation measurements confirm soliton formation with a duration of < 90 fs and with an energy conversion efficiency of 60%. Numerical solutions were performed based on a generalized nonlinear Schrodinger equation that included the effects of dispersion, self-steepening, optical shock formation, self-phase modulation and stimulated Raman scattering. The resulting spectra from the simulations are in excellent agreement with the measured spectra, and are consistent with the intensity autocorrelation measurements.
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Stephen E. Ralph, Brian Washburn, Pierre Lacourt, John Dudley, William T. Rhodes, Stephane Coen, Robert S. Windeler, "Soliton generation via intrapulse stimulated Raman scattering in photonic crystal fibers: experimental and numerical investigations", Proc. SPIE 4655, Photonic Bandgap Materials and Devices, (25 April 2002); doi: 10.1117/12.463877; https://doi.org/10.1117/12.463877
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