Non-blocking optical cross-connect structure for telecommunicati

Details Non-blocking optical cross-connect structure for telecommunicati Non-blocking optical cross-connect structure for telecommunicati

1995-04-07

1997-05-06

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Switch

385 16, 385 24, 359124, 359128, G02B 628

Patent

active

056279256

ABSTRACT:
Wavelength division multiplexing, spatial switching cross-connect structures which may be deployed as intermediate nodes of an all optical network to route any input channel on any source fiber to any destination fiber at any available wavelength to achieve full connectivity between the nodes of the network. The non-blocking cross-connect structure comprises a wavelength division demultiplexer for receiving multiple wavelength channels from each source fiber and for separating received channels into N wavelengths so that the wavelengths are organized according to a corresponding fiber of origin, a nonblocking optical structure for spatially and independently rearranging the received wavelengths so that wavelengths having a common destination fiber are grouped together, and a wavelength division multiplexer for multiplexing together wavelengths having the same destination fiber.

REFERENCES:
patent: 5194977 (1993-03-01), Nishio

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