Title :
A 112 Gb/s duobinary-shaped PolMux DQPSK system with enhanced narrow filtering tolerance
Author :
Hsueh, Yu-Ting ; Chien, Hung-Chang ; Chowdhury, Arshad ; Su, Charles ; Gu, Gordon ; Chang, Gee-Kung
Author_Institution :
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Abstract :
We demonstrate a new modulation format based on PolMux DQPSK with duobinary shape. Simulated results show that proposed scheme with narrow bandwidth can achieve higher tolerance to narrowband filtering without changing DQPSK demodulation structure.
Keywords :
differential phase shift keying; filtering theory; optical fibre communication; optical modulation; quadrature phase shift keying; bit rate 112 Gbit/s; demodulation; duobinary-shaped PolMux DQPSK; modulation format; narrow bandwidth; narrow filtering tolerance; Bandwidth; Optical fiber networks; Optical filters; Optical polarization; Optical pulse shaping; Optical receivers; Optical transmitters;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
