Title :
Averaged Q-factor method using amplitude histogram evaluation for transparent monitoring of optical signal-to-noise ratio degradation in optical transmission system
Author :
Shake, Ippei ; Takara, Hidehiko
Author_Institution :
Nippon Telegraph & Telephone Corp. (NTT), NTT Corp., Kanagawa, Japan
fDate :
8/1/2002 12:00:00 AM
Abstract :
Presents the averaged Q-factor method based on an amplitude histogram evaluation to monitor the optical signal quality of an optical transmission system. We examine several parameters of this method and provide direction to design a novel optical signal quality monitoring circuit.
Keywords :
Q-factor; optical fibre networks; optical fibre testing; optical noise; optical signal detection; signal sampling; telecommunication network reliability; amplitude histogram evaluation; averaged Q-factor method; optical signal quality monitoring circuit; optical signal-to-noise ratio degradation; optical transmission system; optical transport networks; transparent monitoring; Bit error rate; Degradation; Histograms; Monitoring; Optical distortion; Optical modulation; Q factor; Repeaters; Sampling methods; Signal to noise ratio;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2002.800793
