Title :
PMD monitoring scheme for direct-detection optical OFDM systems using code-assisted optical subcarriers
Author :
Tianwai Bo ; Shuang Gao ; Kam-Hon Tse ; Chun-Kit Chan
Author_Institution :
Dept. of Inf. Eng., Chinese Univ. of Hong Kong, Shatin, China
Abstract :
A PMD monitoring scheme is proposed for direct-detection optical OFDM systems by adding a pair of code-assisted optical subcarriers. Code correlation technique is used to retrieve DGD values over 0-25ps with <;2-ps average monitoring error.
Keywords :
OFDM modulation; codes; optical communication equipment; optical correlation; DGD values; PMD monitoring; code correlation teachnique; code-assisted optical subcarriers; direct detection optical OFDM; orthogonal frequency division multiplexing; polarization mode dispersion; Adaptive optics; High-speed optical techniques; Monitoring; Optical fibers; Optical polarization; Optical receivers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
