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28 January 2006Effects of four-wave mixing on Soliton's robustness to polarization-mode dispersion in optical fiber systems
We propose a new method to enhance solitons' robustness to polarization-mode dispersion (PMD) in a long-haul conventional single-mode fiber (SMF). The method is based on the utilization of four-wave mixing (FWM) effects of two principal polarization states of optical pulses. An intensively bound state of solitons can be achieved when the FWM effect is taken into account. It is proved numerically that the solitons with FWM are more adaptive to polarization-mode dispersion than the ones without FWM in the standard fiber links.