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Planar optical waveguide amplifier with mode size converter

  • US 20040081415A1
  • Filed: 06/23/2003
  • Published: 04/29/2004
  • Est. Priority Date: 01/22/2002
  • Status: Abandoned Application
First Claim
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1. An planar wave guide device, comprising a core layer deposited by sputtering onto a substrate;

  • and an upper cladding layer fabricated by sputter deposition processes.

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