Title :
A novel technique for modulation alignment monitoring in RZ-DPSK systems using off-center optical filtering
Author :
Ku, Yuen-Ching ; Lu, Guo-Wei ; Chan, Chun-Kit ; Chen, Lian-Kuan
Author_Institution :
Dept. of Inf. Eng., Chinese Univ. of Hong Kong, Shatin, China
Abstract :
A novel high-speed polarization-independent off-center optical filtering technique for monitoring alignment status between pulse generator and data modulator in RZ-DPSK systems is proposed and demonstrated. A monitoring dynamic range of 3.35 dB is achieved experimentally.
Keywords :
condition monitoring; differential phase shift keying; optical communication equipment; optical fibre communication; optical filters; optical modulation; RZ-DPSK systems; high-speed polarization-independent optical filtering; modulation alignment monitoring; monitoring dynamic range; off-center optical filtering; optical phase modulator; pulse carver; pulse generator/data modulator alignment monitoring; return-to-zero differential phase-shift keying; Filtering; High speed optical techniques; Monitoring; Optical filters; Optical modulation; Optical pulse generation; Optical sensors; Optical transmitters; Phase modulation; Pulse modulation;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.192758
