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Optics layer protection of Gigabit-Ethernet system by monitoring optical signal quality

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6 Author(s)
Sangbae Shin ; Sch. of Electr. Eng., Kookmin Univ., Seoul, South Korea ; Byung-gu Ahn ; Mungweon Chung ; Seongdae Cho
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An optics layer protection method for the Gigabit-Ethernet system is proposed. It monitors optical signal quality by comparing each input bit with a calibrated window, and switches to a stand-by fibre when a working fibre faces a quality degradation. This scheme can be applied to WDM systems that carry any type of binary optical signals with arbitrary bit rates

Published in:

Electronics Letters  (Volume:38 ,  Issue: 19 )