Title :
Dual-pumped delay-asymmetric nonlinear loop mirror for DPSK demodulation at widely tunable bit rates
Author :
Dai, Yongheng ; Shu, Chester ; Fok, Mable P.
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China
Abstract :
RZ-DPSK signals from 3 to 10 Gb/s are demodulated by a dual-pumped delay-asymmetric nonlinear loop mirror. The in-loop four-wave mixing conversion bandwidth is enhanced to over 35 nm for lower bit-rate demodulation.
Keywords :
band-pass filters; binary sequences; delays; demodulation; differential phase shift keying; electro-optical modulation; holey fibres; mirrors; multiwave mixing; optical communication equipment; optical fibre amplifiers; optical fibre communication; optical filters; optical pumping; photonic crystals; random sequences; DPSK demodulation; bit rate 3 Gbit/s to 10 Gbit/s; bit-rate demodulation; conversion bandwidth; differential phase shift keying; dual-pumped delay-asymmetric nonlinear loop mirror; electro-optic modulator; erbium-doped fiber amplifier; in-loop four-wave mixing; optical bandpass filter; phase modulator; photonic crystal fiber; pseudorandom binary sequence; single mode fiber; Band pass filters; Bandwidth; Bit rate; Delay; Demodulation; Differential quadrature phase shift keying; Mirrors; Optical filters; Optical wavelength conversion; Tunable circuits and devices;
Conference_Titel :
OptoElectronics and Communications Conference, 2009. OECC 2009. 14th
Conference_Location :
Hong Kong
Print_ISBN :
978-1-4244-4102-0
Electronic_ISBN :
978-1-4244-4103-7
DOI :
10.1109/OECC.2009.5214446
