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Polarization management

  • US 10,698,162 B2
  • Filed: 06/10/2019
  • Issued: 06/30/2020
  • Est. Priority Date: 06/20/2016
  • Status: Active Grant
First Claim
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1. An optical device comprising:

  • a waveguide having first and second waveguide substrates, wherein the first waveguide substrate has opposing first and second surfaces;

    a grating medium interposed between the first and second waveguide substrates, wherein the first surface of the first waveguide substrate faces the grating medium; and

    a polarization altering element on the first surface of the first waveguide substrate.

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