OPTICAL ELEMENT AND LIGHT GENERATING DEVICE
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United States of America Patent
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Issued Date -
Jan 11, 2018
app pub date -
Jun 19, 2017
filing date -
Jul 5, 2016
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Abstract
An optical element includes a first optical waveguide that extends from a first end portion toward a second end portion, and has a first active layer, a second optical waveguide that has a second active layer, and is disposed side by side with the first optical waveguide and extends from the first end portion toward the second end portion, a reflective film disposed on an end face of the first optical waveguide at a side of the first end portion, and an anti-reflection film disposed on an end face of the second optical waveguide at the side of the first end portion, wherein the anti-reflection film extends from a side of the second optical waveguide to the first optical waveguide at the first end portion, and the reflective film includes the anti-reflection film as one of constituent elements.
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