Edge construction on optical devices
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United States of America Patent
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Dec 5, 2017
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app pub date -
Sep 22, 2016
filing date -
Sep 22, 2016
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Abstract
A method of forming an optical device includes forming a waveguide mask on a device precursor. The device precursor includes a waveguide positioned on a base. The method also includes forming a facet mask on the device precursor such that at least a portion of the waveguide mask is between the facet mask and the base. The method also includes removing a portion of the base while the facet mask protects a facet of the waveguide.
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