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High-Speed Wavelength Conversion of RZ-DPSK Signal Using FWM in a Quantum-Dot SOA

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2 Author(s)
Motoharu Matsuura ; Center for Frontier Science and Engineering, University of Electro-Communications, Tokyo, Japan ; Naoto Kishi

We demonstrate an all-optical wavelength conversion of a return-to-zero differential phase-shift keying (RZ-DPSK) signal using four-wave mixing in a quantum-dot semiconductor optical amplifier. We successfully achieved low penalty operation of 0.56 dB using 40-Gb/s RZ-DPSK signal.

Published in:

IEEE Photonics Technology Letters  (Volume:23 ,  Issue: 10 )