Title :
Comparison of 44.6-Gbit/s NRZ- and RZ-DQPSK format in 50-GHz-spacing ROADM system
Author :
Yoshimatsu, T. ; Hashizume, Y. ; Yamamoto, S. ; Takara, H. ; Kubota, H. ; Yoshida, E. ; Miyamoto, Y. ; Takada, A. ; Jinno, M. ; Itoh, T.
Author_Institution :
NTT Network Innovation Labs., NTT Corp., Yokosuka
Abstract :
We compare 44.6-Gbit/s NRZ-DQPSK format with EDC against RZ-DQPSK format for 50-GHz-spacing ROADM system. NRZ-DQPSK with EDC is superior to RZ-DQPSK when ROADM node number exceeds 10.
Keywords :
multiplexing; optical communication; phase shift keying; EDC; NRZ--DQPSK format; ROADM system; RZ-DQPSK format; bit rate 44.6 Gbit/s; reconfigurable add/drop multiplexer; Bandwidth; Driver circuits; Frequency; Laboratories; Optical add-drop multiplexers; Optical filters; Optical signal processing; Pulse amplifiers; Switches; Wavelength division multiplexing;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610552
