Title :
Real-time 127-Gb/s coherent PM-QPSK transmission over 1000km NDSF with >10 cascaded 50GHz ROADMs
Author :
Gringeri, S. ; Egorov, R. ; Basch, B. ; Wellbrock, G. ; Zhang, B. ; Malouin, C. ; Liu, S. ; Ibragimov, E. ; Khatana, S. ; Lofland, R. ; Marcoccia, R. ; Schmidt, T. ; Pulikkaseril, C. ; Roelens, M. ; Fabiny, L. ; Frisken, S.
Author_Institution :
Verizon, Waltham, MA, USA
Abstract :
This paper describes experimental demonstration of 50GHz ROADM tolerance for a realtime, single-carrier, 127-Gb/s coherent PM-QPSK system. 10 WSSs are cascaded over 1000km NDSF and <;0.5dB OSNR penalty is measured for the worst case. Cascading limit is also predicted.
Keywords :
multiplexing equipment; optical switches; quadrature phase shift keying; wavelength assignment; NDSF; WSS; bit rate 127 Gbit/s; cascaded ROADM; coherent PM-QPSK system; distance 1000 km; frequency 50 GHz; optical add-drop multiplexers; real-time coherent PM-QPSK transmission; single-carrier system; wavelength selective switches; Bandwidth; Bit error rate; Filtering; Optical filters; Optical noise; Real time systems; Signal to noise ratio;
Conference_Titel :
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-8536-9
Electronic_ISBN :
978-1-4244-8534-5
DOI :
10.1109/ECOC.2010.5621594