Method and system for a re-configurable optical multiplexer,...

Details Method and system for a re-configurable optical multiplexer,... Method and system for a re-configurable optical multiplexer,...

2007-11-06

2007-11-06

Singh, Dalzid (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S082000, C398S084000, C398S087000, C398S088000

Reexamination Certificate

active

10442826

ABSTRACT:
A system for a re-configurable optical de-multiplexer, multiplexer or add/drop multiplexer is provided. A re-configurable de-multiplexer system comprises a wavelength selective switch having an input port, an output port and an internal port; a wavelength division de-multiplexer (WDM) optically coupled to the internal port and a plurality of dropped-channel ports optically coupled to the WDM. The wavelength selective switch receives a plurality of input wavelength-division multiplexed channels from the input port and routes a first subset of the channels to the output port and a second subset of channels to the internal port and then to the WDM. The WDM separates each of the dropped channels to a different respective one of the channel ports.

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