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SPOT SIZE CONVERTER AND OPTICAL APPARATUS

  • US 20150117818A1
  • Filed: 09/17/2014
  • Published: 04/30/2015
  • Est. Priority Date: 10/25/2013
  • Status: Abandoned Application
First Claim
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1. A spot size converter, comprising:

  • a first silicon waveguide core that includes a width-fixed region having a fixed width and a width-tapered region continuing to the width-fixed region and having a width reducing toward a terminal portion; and

    a second waveguide core continuing to the first silicon waveguide core and covering at least the width-tapered region;

    whereinthe first silicon waveguide core has a thickness-wise step in the width-fixed region.

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