Optical waveguides – With optical coupler – Particular coupling structure
Patent
1991-07-08
1992-08-11
Healy, Brian
Optical waveguides
With optical coupler
Particular coupling structure
385 34, 385 45, 385 49, 385 51, 385 89, 25022711, 359193, 359195, G02B 626, G02B 630, H01J 516
Patent
active
051386771
ABSTRACT:
An optical power summing apparatus that allows a multiplicity of optical signals to be combined with minimal signal transmission loss. A single photodiode simultaneously receives all of the input signals to perform a summation of signal powers. Alternative embodiments of the apparatus use either a tightly packed bundle of etched optical fibers or a converging arrangement of optical waveguides on a dielectric substrate to focus the optical signals onto the base region of a single photodiode.
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Mathis Ronald F.
O'Shaughnessy John
General Dynamics Corporation Electronics Division
Healy Brian
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