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This paper demonstrates optical 3R regeneration for a 10 Gb/s nonreturn-to-zero (NRZ) data format. Semiconductor optical amplifier based Mach-Zehnder interferometer (SOA-MZI) wavelength converters, synchronous modulator, and Fabry-Perot filter (FPF) are used for 3R regenearation including all-optical clock recovery. Recirculating loop transmission experiments compare transmission performances with...
This paper experimentally demonstrates the multi-hop operation of an optical-label switching router with label swapping and optical 3R at each hop. A semiconductor optical amplifier based Mach-Zehnder interferometer wavelength converter performs reshaping. A Fabry-Perot filter all-optically recovers the clock from the incoming packets in burst mode. The synchronous modulation through a Mach-Zehnder...
We demonstrate a polarization-insensitive single-pumped optical-parametric-amplifier by depolarizing the pump using a polarization controller followed by a piece of polarization-maintaining fiber with /spl sim/ 100-ps DGD. The polarization-dependent-gain is reduced from 8 dB to <1 dB.
We demonstrate an all-optical XOR gate based on Kerr effect in a single highly-nonlinear fiber. We obtain a 25 dB extinction ratio using 2-km of highly-nonlinear fiber with a nonlinear coefficient of 9.1 W/sup -1/km/sup -1/.
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