G - Physics – 02 – B
Patent
G - Physics
02
B
345/10, 88/97.5,
G02B 6/12 (2006.01) G01C 19/72 (2006.01) G02B 6/125 (2006.01) G02B 6/126 (2006.01) G02B 6/28 (2006.01) G02B 27/12 (2006.01)
Patent
CA 2034899
An integrated optics decorrelator device with a first integrated optics junction. The first optics junction has two input paths and at least one output path formed as a Y-shaped assembly of two mono-modal optical waveguides joined at a node with a central multi-modal optical waveguide. The central multi- modal optical waveguide segment has an output end. A second integrated optics junction has two output paths formed as a Y- shaped assembly of two output mono-modal optical waveguides joined at the output end of the central multi-modal optical waveguide segment. The first integrated optics junction and the second integrated optics junction are formed inside a refractive medium having a lower refractive index than the refractive index of the waveguides. The central multi-modal optical waveguide segment has an elongated multi-modal waveguide for decorrelating symmetric mode light passing through the central multi-modal optical waveguide with respect to anti-symmetric mode light passing through the substrate to the second integrated optics junction coupled to a tapered waveguide segment.
Litton Systems Inc.
Macrae & Co.
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