Integrated optical structure
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United States of America Patent
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Issued Date -
Dec 2, 2004
app pub date -
Jul 8, 2004
filing date -
Jul 16, 2001
priority date (Note) -
Abandoned
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Abstract
An integrated optical structure includes at least one layer containing an optical coupling element which defines a free light propagation region, at least one input optical waveguide and a network of optical waveguides, which are disposed in relation to one another such that the optical wave exiting the output end of the input optical waveguide reaches the input ends of the optical waveguides forming the network, via the optical coupling element. In an area located at a distance from, and frontally to, the aforementioned output end of the input optical waveguide, the optical coupling element comprises optical transfer or transformation elements which are used to diminish the amplitude and/or modify the phase and/or partially stop the propagation of the optical wave coming from the output of the input optical waveguide before it reaches the inputs of the optical waveguides of the network.
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