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Monitoring long-haul undersea WDM systems using optical side tones

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5 Author(s)
Jensen, R.A. ; AT&T Bell Labs., Holmdel, NJ, USA ; Gardner, D.J. ; Chen, C.J. ; Calvo, O.
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Summary form only given. Next-generation undersea communications systems plan on using wavelength-division multiplexing (WDM) to increase information capacity. New techniques are needed to monitor the health of these systems. This paper summarizes experimental results using a separate side-tone wavelength to monitor small degradations in a 2100-km bi-directional, 4×2.5 Gbit/s WDM optically amplified system with negligible transmission impairments.

Published in:

Optical Fiber Communications, 1996. OFC '96

Date of Conference:

25 Feb.-1 March 1996