H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/52 (2006.01) G02B 6/35 (2006.01) G02B 26/08 (2006.01) H04J 14/02 (2006.01) H04Q 11/00 (2006.01)
Patent
CA 2363609
A control system is designed to control an optical cross-connect having a switch core defined by first and second independently movable beam deflectors capable of selectively defining an optical path between a pair of ports of the optical cross-connect. An optical element having optical power is arranged in a propagation path of light beams between the first and second beam deflectors. The control system includes a pilot light source, an optical sensor associated with each beam deflector, and a feedback path. The a pilot light source inserts a pilot light into the switch core colinearly with live traffic. The optical sensor detects a predetermined geometric property of the pilot light emerging from the switch core. This predetermined geometric property is unambiguously associated with an angular position of the associated beam deflector. The feedback path actively controls a position of the associated beam deflector based on the detected geometric property.
Ducellier Thomas
Habel Richard
Iyer Rajiv
Keyworth Barrie
Rolland Claude
Jds Uniphase Inc.
Teitelbaum Neil
LandOfFree
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