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Optical Overlay of Multicast Stream on a Survivable WDM Passive Optical Network

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2 Author(s)
Yang Qiu ; Coll. of Electr. & Inf. Eng., Southwest Univ. for Nat., Chengdu, China ; Chun-Kit Chan

We propose a novel scheme to perform an optical multicast overlay on a survivable wavelength division multiplexed passive optical network. By flexibly controlling a sinusoidal clock signal and an optical switch at the optical line terminal, optical sub-carriers, which enable not only protection for distribution and feeder fibers, but also multicast data delivery, are generated. 10-Gb/s transmissions under both normal working and protection modes are experimentally demonstrated.

Published in:

Photonics Technology Letters, IEEE  (Volume:25 ,  Issue: 6 )