Auto-solitons guided by in-line nonlinear optical loop mirrors in dispersion-managed communication systems

Boscolo, Sonia; Nijhof, Jeroen H.B. and Turitsyn, Sergei K. (2000). Auto-solitons guided by in-line nonlinear optical loop mirrors in dispersion-managed communication systems. IN: Conference on on Lasers and Electro-Optics Europe 2000 (CLEO/Europe-IQEC 2000). IEEE.

Abstract

Summary form only given. Both dispersion management and the use of a nonlinear optical loop mirror (NOLM) as a saturable absorber can improve the performance of a soliton-based communication system. Dispersion management gives the benefits of low average dispersion while allowing pulses with higher powers to propagate, which helps to suppress Gordon-Haus timing jitter without sacrificing the signal-to-noise ratio. The NOLM suppresses the buildup of amplifier spontaneous emission noise and background dispersive radiation which, if allowed to interact with the soliton, can lead to its breakup. We examine optical pulse propagation in dispersion-managed (DM) transmission system with periodically inserted in-line NOLMs. To describe basic features of the signal transmission in such lines, we develop a simple theory based on a variational approach involving Gaussian trial functions. It, has already been proved that the variational method is an extremely effective tool for description of DM solitons. In the work we manage to include in the variational description the point action of the NOLM on pulse parameters, assuming that the Gaussian pulse shape is inherently preserved by propagation through the NOLM. The obtained results are verified by direct numerical simulations

Event Title: Conference on Lasers and Electro-Optics 2000
Event Type: Other
Event Location: Nice
Event Dates: 2000-09-10 - 2000-09-15
Published Date: 2000-09-01

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