Journal article
Characterization and monitoring of laser linewidths in coherent optical OFDM systems
X Chen, A Al Amin, W Shieh
2011 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference Ofc Nfoec 2011 | IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC | Published : 2011
Abstract
We demonstrate monitoring of digitally-generated laser linewidths for 107-Gb/s coherent optical OFDM systems. Unique characteristics of time-domain phase-error variance are exploited to extract laser linewidths after 960-km transmission over SSMF fiber. © 2011 Optical Society of America.