Title :
All-optical clock recovery from both NRZ and NRZ-DPSK signals at different bit-rates
Author :
Yu, Yu ; Zhang, Xinliang ; Hu, Jing ; Huang, Dexiu
Author_Institution :
Wuhan Nat. Lab. for Optoelectron.&Sch. of Optoelectron. Sci. & Eng., Huazhong Univ. of Sci. & Technol., Wuhan
Abstract :
We propose and demonstrate all-optical clock recovery (CR) from both NRZ and NRZ-DPSK signals at different bit-rates, through simply preprocessing with single optical filter. Clock signal can be extracted successfully by cascading a CR unit.
Keywords :
differential phase shift keying; optical fibre communication; optical modulation; synchronisation; NRZ; NRZ-DPSK; all-optical clock recovery; clock signal; optical filter; Chromium; Clocks; Optical fiber communication; Optical filters; Optical signal processing; RF signals; Radio frequency; Signal analysis; Ultrafast optics; Voltage; (060.2330) Fiber optics communications; (070.4790) Optical spectrum analysis;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
