STABILITY AND TIMING MAINTENANCE IN SOLITON TRANSMISSION AND STORAGE-RINGS

Several compensation techniques, including intensity-dependent absorpt ion/gain, filtering, and phase- and amplitude-modulation, are consider ed for use in high bit rate (100+Gb/s) pulse storage rings and transmi ssion. We propose novel memory devices utilizing intensity-dependent a bsorption/gain. Other compensation methods include filtering and ampli tude-and phase-modulation, which provide restoring forces to suppress frequency- and timing shifts of pulses. The relative merits of these c ompensation techniques are evaluated perturbatively. We consider the i nfluence of amplifier noise, Raman self-frequency shift, and third-ord er dispersion. In the absence of compensation, Raman timing fluctuatio ns grow with the fifth power of distance, and may exceed Gordon-Haus j itter at approximately 40 Gb/s. The compensation techniques can elimin ate the asymptotic growth of timing variance.