Title :
Novel Fault Monitoring and Localization Scheme in WDM-PONs with Upstream VCSEL Transmitters
Author :
Wong, Elaine ; Zhao, Xiaoxue ; Chang-Hasnain, Connie J.
Author_Institution :
Univ. of California, Berkeley
Abstract :
A simple and highly-sensitive (-67 dBm) fault monitoring and localization scheme is achieved without modifications to the ONU, by utilizing a low bandwidth (~2 kHz) and low power (~-7 dBm) fault monitor and the high reflectivity mirror of VCSEL transmitters.
Keywords :
fault location; optical fibre networks; optical transmitters; surface emitting lasers; telecommunication network reliability; wavelength division multiplexing; WDM-PON; fault localization; fault monitoring; optical network unit; upstream VCSEL transmitters; Bandwidth; Condition monitoring; Optical filters; Optical modulation; Optical network units; Optical receivers; Optical sensors; Optical transmitters; Passive optical networks; Vertical cavity surface emitting lasers;
Conference_Titel :
Optical Fiber Communication and the National Fiber Optic Engineers Conference, 2007. OFC/NFOEC 2007. Conference on
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-831-4
DOI :
10.1109/OFC.2007.4348664
