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Seamless Maintenance and Protection Scheme for Next-Generation Access Networks

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4 Author(s)
Jong Hoon Lee ; Photonic Network Res. Lab., Korea Adv. Inst. of Sci. & Technol., Daejeon ; Jung-Hyung Moon ; Ki-Man Choi ; Chang-Hee Lee

We propose and demonstrate a seamless maintenance and protection scheme based on remotely reconfigurable remote node. Protection for fiber failures and a centralized optical time-domain reflectometry test for preventive maintenance can be achieved within 90 ms by using instantaneous optical powering at the central office, while maintaining the passive nature of the passive optical network.

Published in:

IEEE Photonics Technology Letters  (Volume:21 ,  Issue: 12 )