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Averaged Q-factor method using amplitude histogram evaluation for transparent monitoring of optical signal-to-noise ratio degradation in optical transmission system

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2 Author(s)
Shake, I. ; Nippon Telegraph & Telephone Corp. (NTT), NTT Corp., Kanagawa, Japan ; Takara, H.

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.

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Lightwave Technology, Journal of  (Volume:20 ,  Issue: 8 )