Title :
Penalty-free transmission of 127-Gb/s coherent PM-QPSK over 1500-km of NDSF with 10 cascaded 50-GHz ROADMs
Author :
Zhang, Bo ; Malouin, Christian ; Liu, Samuel ; Schmidt, Theodore J. ; Liao, Guangxun ; Wang, Ping ; Washburn, Hudson ; Yuan, Jim
Author_Institution :
Opnext Subsystems, Opnext, Inc., Los Gatos, CA, USA
Abstract :
We experimentally demonstrate penalty-free transmission of 127-Gb/s coherent PM-QPSK through a cascade of ten commercial 50-GHz WSS over 1500-km NDSF. Simulation results show that cascades of 40 such 50-GHz liquid-crystal based ROADMs is feasible.
Keywords :
liquid crystals; optical fibre communication; quadrature phase shift keying; bit rate 127 Gbit/s; cascaded ROADM; coherent PM-QPSK; distance 1500 km; frequency 50 GHz; liquid crystal; penalty-free transmission; polarization-multiplexed quadrature phase shift keying; Bandwidth; Digital signal processing; Erbium-doped fiber amplifier; Filtering; Optical fiber polarization; Optical filters; Optical receivers; Optical transmitters; Quadrature phase shift keying; Shape;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
