Title :
Simultaneous clock recovery and dispersion, OSNR monitoring for 112Gbit/s NRZ-DQPSK using frequency down-conversion electro-optical phase-locked loop
Author :
Wen, He ; Cheng, Lin ; Zheng, Xiaoping ; Zhang, Hanyi ; Guo, Yili ; Zhou, Bingkun
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Abstract :
A clock recovery scheme simultaneous providing signal performance monitoring is proposed and demonstrated in a 112-Gbit/s NRZ-DQPSK system. By employing optical domain frequency down-conversion, the clock is recovered with standard RF devices.
Keywords :
optical fibre dispersion; optical phase locked loops; quadrature phase shift keying; synchronisation; NRZ-DQPSK system; OSNR monitoring; RF devices; bit rate 112 Gbit/s; clock dispersion scheme; clock recovery scheme; frequency down-conversion electro-optical phase-locked loop; optical domain frequency down-conversion; signal performance monitoring; Clocks; Dispersion; Monitoring; Optical fibers; Optical noise; Signal to noise ratio;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
