Title :
Flexible Wavelength Cross-Connect for CDC ROADM Application
Author :
Liangjia Zong ; Han Zhao ; Zhiyong Feng ; Yunfei Yan
Author_Institution :
Transm. Technol. Res. Dept., Huawei Technol. Co. Ltd., Shenzhen, China
Abstract :
We propose and demonstrate an 8 × 8 flexible wavelength cross-connect (FWXC) switch that supports flex-grid wavelength assignment switching with contentionless feature. The developed switch is characterized for insertion loss, passband, frequency-tuning granularity, and port crosstalk. Based on the FWXC, we experimentally demonstrate a novel ultracompact colorless/directionless/contentionless-reconfigurable optical add drop multiplexer supporting four directions. Mixed 10G/40G/100G signals on add, drop, and express paths are tested. The optical signal-to-noise ratio (OSNR) penalties are observed <;0.25 dB for all the cases.
Keywords :
multiplexing equipment; optical communication equipment; optical crosstalk; optical fibre communication; optical fibre losses; optical noise; optical switches; CDC ROADM application; flex-grid wavelength assignment switching; flexible wavelength cross-connect switch; frequency-tuning granularity; insertion loss; optical signal-to-noise ratio penalty; port crosstalk; ultracompact colorless-directionless-contentionless-reconfigurable optical add drop multiplexer; Arrays; Bandwidth; Crosstalk; Optical fiber networks; Optical switches; Ports (Computers); Optical fiber network; optical filters; optical switches; wavelength routing;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2015.2478796