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Maintenance method using 1650-nm wavelength band for optical fiber cable networks

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6 Author(s)
N. Nakao ; NTT Access Networks Service Syst. Labs., Ibaraki, Japan ; H. Izumita ; T. Inoue ; Y. Enomoto
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This paper proposes a maintenance method for optical fiber cable networks that uses 1650-nm wavelength band light. We determined the maintenance wavelength of 1650-nm after considering the maintenance system requirements and the future trends in optical transmission systems. We improved the conventional maintenance system by adding appropriate system components including a narrow wavelength light source and a fiber-grating filter for the 1650-nm wavelength band. We designed the system and undertook manufacturing trials. The characteristics of our proposed maintenance method indicate good practical performance levels

Published in:

Journal of Lightwave Technology  (Volume:19 ,  Issue: 10 )