Optical switch

Details Optical switch Optical switch

2006-06-28

2009-02-03

Hughes, James P (Department: 2883)

Optical waveguides

With optical coupler

Switch

C385S027000, C385S122000

Reexamination Certificate

active

07486849

ABSTRACT:
An optical switch, comprising an optical resonator, a first input optical waveguide optically coupled to the optical resonator for guiding a first optical signal to the optical resonator; a second input optical waveguide optically coupled to the optical resonator for guiding a second optical signal to the optical resonator; and an output optical waveguide optically coupled to the optical resonator for guiding a third optical signal from the optical resonator, wherein the optical resonator has a first region and at least one separate second region made of different materials, at least one of which is non-linear to cause different resonance frequencies of the optical resonator for different intensities of light.

REFERENCES:
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patent: 6925226 (2005-08-01), Lim et al.
patent: 6937781 (2005-08-01), Shirane et al.
patent: 7263262 (2007-08-01), Covey
patent: 7409131 (2008-08-01), Covey
patent: 2004/0033009 (2004-02-01), Soljacic et al.
patent: 2004/0114867 (2004-06-01), Nielsen et al.
patent: 2005/0157974 (2005-07-01), Scherer
patent: 2007/0189706 (2007-08-01), Covey
patent: 2007/0280592 (2007-12-01), Furuya et al.

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