Title :
In-line signal quality monitoring based on asynchronous amplitude histogram for NRZ-DPSK systems [optical fiber communication]
Author :
Li, Zhihong ; Wang, Yixin ; Lu, Chao
Author_Institution :
Inst. for Infocomm Res., Singapore, Singapore
Abstract :
We have demonstrated novel in-service signal quality monitoring technique for constant amplitude NRZ-DPSK signals using asynchronous amplitude histogram evaluation. Information about dispersion and OSNR can be directly extracted from the amplitude histogram of the NRZ-DPSK signal.
Keywords :
condition monitoring; differential phase shift keying; optical fibre dispersion; optical fibre networks; AAHE technique; NRZ-DPSK systems; OSNR; asynchronous amplitude histogram; constant amplitude differential-phase-shift-keying; dispersion; in-line signal quality monitoring; Amplitude modulation; Chirp modulation; Histograms; Monitoring; Optical distortion; Optical fiber dispersion; Optical fiber networks; Optical modulation; Optical noise; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.192938
