Bidirectional wavelength division multiplexed self-healing...

Details Bidirectional wavelength division multiplexed self-healing... Bidirectional wavelength division multiplexed self-healing...

2006-08-15

2006-08-15

Phan, Hanh (Department: 2638)

Optical communications

Multiplex

Optical local area network

C398S003000, C398S005000, C398S066000, C398S067000, C398S068000, C398S070000, C398S071000, C398S072000, C398S079000, C398S082000, C398S083000, C398S084000, C398S085000, C398S045000, C385S024000, C385S037000, C385S016000, C385S017000, C385S018000

Reexamination Certificate

active

07092634

ABSTRACT:
Disclosed herein is a bidirectional wavelength division multiplexed self-healing ring network. The ring network includes a central office and a plurality of remote nodes. Two optical fibers each connect the central office and the remote nodes in a ring form to allow optical signals to be bidirectionally received and transmitted between the central office and the remote nodes. One of the two optical fibers is a drop fiber for transmitting optical signals from the central office to the remote nodes, while the other is an add fiber for transmitting optical signals from the remote nodes to the central office.

REFERENCES:
patent: 5576875 (1996-11-01), Chawki et al.
patent: 5625478 (1997-04-01), Doerr et al.
patent: 6351582 (2002-02-01), Dyke et al.
patent: 6701085 (2004-03-01), Müller

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