Bidirectional optical add-drop multiplexer

Details Bidirectional optical add-drop multiplexer Bidirectional optical add-drop multiplexer

2007-06-12

2007-06-12

Chan, Jason (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S084000, C398S085000, C385S024000, C385S037000

Reexamination Certificate

active

10785217

ABSTRACT:
A bidirectional optical add-drop multiplexer adds and drops optical signals having specific wavelengths among the WDM optical signals transmitted bidirectionally through one of the optical transmission lines connected between neighbor nodes in a bidirectional WDM ring network.

REFERENCES:
patent: 5812306 (1998-09-01), Mizrahi
patent: 5825520 (1998-10-01), Huber
patent: 7092634 (2006-08-01), Lee et al.
patent: 2002/0196495 (2002-12-01), Grasso et al.
patent: 2002/0197012 (2002-12-01), Liu et al.
patent: 2004/0151493 (2004-08-01), Kim et al.

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