Transmission characteristic improvement of two-channel wavelength division multiplexed solitons by controlling initial time offset

Abstract

We propose a novel configuration of a 2-channel WDM soliton transmission system which cancels collision-induced frequency shifts at each amplifier. We analyze its transmission characteristic numerically with regard to the varying group velocity dispersion (GVD), and predict that a 100 Gb/s/spl times/2 system utilizing 51 ps solitons amplified every 25 km maintains a BER of 10/sup -9/ over 500 km if GVD is tailored to 0.2/spl plusmn/0.08 ps/km/nm.