Photonic switch

Details Photonic switch Photonic switch

2005-08-02

2005-08-02

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

With optical coupler

Switch

C385S017000

Reexamination Certificate

active

06925222

ABSTRACT:
Disclosed is a photonic switch that includes a plurality of optical-path switching means having movable light reflecting portions that guide light from each of a plurality of input ports to any output port among a plurality of output ports. Each of the optical-path switching means is made to produce a specific loss so as to reduce path-to-path variations in loss along the paths from the input to the output ports. Specifically, loss along a path is the total of loss based upon optical path length and loss produced by the optical-path switching means. A specific loss is produced by each of the optical-path switching means in such a manner that total loss is equalized from path to path.

REFERENCES:
patent: 6317530 (2001-11-01), Ford
patent: 6473544 (2002-10-01), Daneman et al.
patent: 6697547 (2004-02-01), Walter et al.
patent: 2002/0164109 (2002-11-01), Oikawa et al.
patent: 2002/0172451 (2002-11-01), Gupta et al.

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