Wavelength switch

Details Wavelength switch Wavelength switch

2008-02-08

2011-12-20

Tran, Dzung (Department: 2613)

Optical communications

Multiplex

Optical switching

C398S048000, C398S088000

Reexamination Certificate

active

08081875

ABSTRACT:
The present invention relates to a wavelength switch including two switching stages. A single actuation array of reflecting elements of a first switching stage routes sub-beams at different wavelength bands to a plurality of actuation arrays of reflecting elements of a second switching stage. Each second-stage actuation array routes sub-beams to a group of output ports associated with that second-stage actuation array. Advantageously, the sub-beams are redirected from the first switching stage to the second switching stage by a reflecting relay assembly, without being combined or coupled into fibers.

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