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The propagation and switching of short pulses in an active two-core fiber nonlinear directional coupler have been investigated theoretically by using the numerical simulation method. The analysis highlight the effects of the second order coupling coefficient dispersion, the linear gain coefficient and the finite gain bandwidth on the propagation and switching of short pulses. We demonstrate that with...
By use of the coupled equations of pump, signal and idler field, this paper have derived the gain expression of fiber optical parametric amplifier with high-order dispersion and high nonlinear optics. It is indicated that the optical parametric amplifierpsilas gain is dependent of pump wavelength near zero dispersion wavelength. Gain and bandwidth are better when pump wavelength is close to zero dispersion...
This paper shows the compensation progress of the second-order dispersion and the self-phase modulation (SPM) in temporal phase conjugation (TPC) system. And it gives a description of oscillations induced by the third-order dispersion. The theoretical analysis and numerical simulations reveal that TPC can only compensate for second-order dispersion and SPM but enhance effects caused by the third-order...
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