Abstract
There are two major distortion effects in long-distance optical- fiber transmission systems, namely, (a) the interaction between the Kerr effect and dispersion and (b) the nonlinear growth of amplified-spontaneous-emission (ASE) noise.1 Operation away from the dispersion minimum (D < 0), with periodic dispersion compensation, has been proposed for decreasing these effects,2,3 and several compensation techniques have recently been demonstrated.4 However, measurements and simulation results to date have been for specific choices of dispersion coefficient D and compensation distance Lc. By using numerical simulation, we evaluated how D and Lc should be chosen to optimize an approximate performance criteria, and we also considered the effect of imperfect compensation. Only second-order dispersion with D < 0 was considered because nonlinear ASE noise growth is smaller than for D > 0.5
© 1995 Optical Society of America
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