Grating coupler and optical waveguide device

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United States of America Patent

PATENT NO 9874700
SERIAL NO

15397013

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Abstract

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The invention relates to a grating coupler and an optical waveguide device having a stripe width that can be easily realized where light is transferred by means of a beam of which the form is close to that of a Gaussian beam. A striped member that becomes a grating and that is formed of a material of which the refractive index is different from that of the core layer is divided into a plurality of sections, and at the same time, the distance between the core layer and the surface of the striped member on the side opposite the surface that faces the core layer is different for each section.

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Patent Owner(s)

  • FUJITSU LIMITED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sugama, Akio Atsugi, JP 33 566

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