Novel fault monitoring and localization scheme in WDM-PONs with upstream VCSEL transmitters
E Wong, X Zhao, CJ Chang-Hasnain
OFC/NFOEC 2007 - Optical Fiber Communication and the National Fiber Optic Engineers Conference 2007 | Published : 2007
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. © 2007 Optical Society of America.