Wavelength division multiplexing optical switching system

Details Wavelength division multiplexing optical switching system Wavelength division multiplexing optical switching system

2007-06-05

2007-06-05

Pascal, Leslie (Department: 2613)

Optical communications

Multiplex

Optical switching

Reexamination Certificate

active

10446463

ABSTRACT:
Disclosed is a wavelength division multiplexing optical switching system, which is connected with a plurality of nodes of an optical network and supports communication between the nodes. The optical switching system includes a wavelength division demultiplexing unit which demultiplexes optical signals received from each of the plurality of nodes and outputs them as channels with different wavelengths. A routing unit which classifies the channels in accordance with destinations thereof. A fixed wavelength converting unit which converts the classified channels into channels of a single wavelength, the single wavelength being allocated in accordance with corresponding starting places. A wavelength division multiplexing unit which collects the wavelength-converted channels in accordance with destinations and then outputs them as multiplexed optical signals.

REFERENCES:
patent: 6005698 (1999-12-01), Huber et al.
patent: 6810211 (2004-10-01), Castanon

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