Title :
DPSK demodulator based on optical discriminator filter
Author :
Lyubomirsky, Ilya ; Chien, Cheng-Chung
Author_Institution :
Dept. of Electr. Eng., Univ. of California, Riverside, CA, USA
Abstract :
A 10-Gb/s differential phase-shift-keying (DPSK) demodulator is demonstrated based on an ultranarrow 6.2-GHz optical discriminator filter. The DPSK demodulator operates with a conventional direct detection p-i-n receiver, while still outperforming on-off keying by 1.2 dB.
Keywords :
demodulators; differential phase shift keying; discriminators; optical fibre communication; optical filters; optical modulation; optical receivers; p-i-n photodiodes; 10 Gbit/s; 6.2 GHz; DPSK demodulator; differential phase-shift-keying; direct detection p-i-n receiver; optical discriminator filter; Band pass filters; Demodulation; Differential quadrature phase shift keying; Optical attenuators; Optical filters; Optical interferometry; Optical modulation; Optical noise; Optical receivers; Optical sensors; Demodulator; differential phase-shift keying (DPSK); frequency discriminator;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.839766
