G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/17 (2006.01) G02F 1/01 (2006.01) G02F 3/00 (2006.01) H04B 10/04 (2006.01) H04L 27/34 (2006.01) H04L 27/36 (2006.01)
Patent
CA 2499598
An apparatus includes an optical splitter, an optical combiner, first and second optical paths, and a digital signal generator. The optical splitter has an input port and first and second output ports. The optical combiner has first and second input ports and an output port. The first optical path couples the first output port of the splitter to the first input port of the combiner. The second optical path couples the second output port of the splitter to the second input port of the combiner. Each optical path includes an electro-optical phase shifter, and one of the optical paths includes an electro-optical attenuator. The digital signal generator is configured to apply binary- valued voltage signals to control inputs of the phase shifters and the attenuator.
Chen Young-Kai
Leven Andreas
Kirby Eades Gale Baker
Lucent Technologies Inc.
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