Abstract
The propagation of two femtosecond pulses in the region with minimum group-velocity dispersion, influenced by the cross-phase modulation (XPM) in photonic crystal fiber (PCF), is investigated in this paper. The adaptive split-step Fourier method is used to simulate the generalized nonlinear Schrödinger equations (GNSE). The numerical results show that the combination of the Raman scattering and XPM can make the spectrum and the pulse shape changed, inducing the pulse compression and supercontinuum generation. The Raman effect from molecular vibrations, which can make the pulse spectrum in anomalous-dispersion region to be more symmetrical, is also discussed.
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Li, Xm., Zhang, Gp. & Pan, D. Effects of the cross-phase modulation on the propagation of femtosecond optical pulses in photonic crystal fibers. Optoelectron. Lett. 6, 466–468 (2010). https://doi.org/10.1007/s11801-010-9142-3
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DOI: https://doi.org/10.1007/s11801-010-9142-3