Title :
Influence of filter shape and bandwidth on 44 Gb/s DQPSK systems
Author :
Zong, Lei ; Veselka, John ; Sardesai, Harshad ; Frankel, Michael
Author_Institution :
CIENA Corp., Linthicum, MD
Abstract :
Filter shape and bandwidth are studied for multiplexers/demultiplexers in DQPSK systems. Simulation shows both factors have strong impact on signal performance. In 50 GHz spaced systems with 44 Gb/s RZ-DQPSK signals, 2nd-order super-Gaussian filters outperform higher-order filters.
Keywords :
demultiplexing equipment; filters; minimum shift keying; multiplexing equipment; quadrature phase shift keying; DQPSK systems; bandwidth; filter shape; multiplexers/demultiplexers; signal performance; super-Gaussian filters; wavelength filtering devices; Band pass filters; Bandwidth; Bit error rate; Frequency; Optical fiber filters; Optical filters; Optical transmitters; Passband; Shape; Wavelength division multiplexing; (060.4080) Modulation; (230.7408) Wavelength filtering devices;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
