Integrated optic waveguide coupler with reduced wavelength sensitivity
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United States of America Patent
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Dec 29, 1992
Grant Date -
N/A
app pub date -
Aug 15, 1991
filing date -
Aug 22, 1990
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Abstract
An integrated optic waveguide coupler having an interaction length throughout which two waveguides lie parallel and in contact with each other, in which the interaction length incorporates at least one straight section and, adjoining the straight section, there is provided at least one additional interaction length having a predetermined curvature. The curvature and the length of the interaction length together minimize wavelength sensitivity.
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