Title :
High-Speed Wavelength Conversion of RZ-DPSK Signal Using FWM in a Quantum-Dot SOA
Author :
Matsuura, Motoharu ; Kishi, Naoto
Author_Institution :
Center for Frontier Sci. & Eng., Univ. of Electro-Commun., Chofu, Japan
fDate :
5/15/2011 12:00:00 AM
Abstract :
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.
Keywords :
differential phase shift keying; high-speed optical techniques; multiwave mixing; optical wavelength conversion; semiconductor optical amplifiers; semiconductor quantum dots; RZ-DPSK signal; bit rate 40 Gbit/s; four-wave mixing; high-speed optical wavelength conversion; low penalty operation; quantum-dot SOA; quantum-dot semiconductor optical amplifier; return-to-zero differential phase-shift keying; Gain; Modulation; Optical mixing; Optical wavelength conversion; Quantum dots; Semiconductor optical amplifiers; All-optical wavelength conversion; differential phase-shift keying (DPSK); four-wave mixing (FWM); quantum-dot (QD) devices; semiconductor optical amplifiers (SOAs);
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2011.2119396
