Title :
In-service chromatic dispersion monitoring based on imperfect phase tuned delay interferometer for NRZ-DPSK systems
Author :
Zhao, Jian ; Li, Zhaohui ; Qureshi, K.K. ; Lau, A.P.T. ; Lu, Chao ; Tam, H.Y.
Author_Institution :
Photonics Research Centre, Department of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
Abstract :
A chromatic dispersion (CD) monitoring method for differential phase-shift keying (DPSK) signals using an optical delay interferometer with phase error has been demonstrated. This method can be used for CD monitoring and discriminate dispersion polarity.
Keywords :
Chromatic dispersion; Delay; Differential quadrature phase shift keying; Interference; Monitoring; Optical filters; Optical interferometry; Optical modulation; Optical receivers; Signal analysis;
Conference_Titel :
Communications and Photonics Conference and Exhibition (ACP), 2009 Asia
Conference_Location :
Shanghai, China
Print_ISBN :
978-1-55752-877-3
Electronic_ISBN :
978-1-55752-877-3
