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Recording head with an on-wafer integrated laser

  • US 9,607,638 B1
  • Filed: 11/19/2015
  • Issued: 03/28/2017
  • Est. Priority Date: 11/19/2014
  • Status: Active Grant
First Claim
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1. A recording head comprising:

  • a layer of plasmonic metal deposited on a surface of the recording head, the layer of plasmonic metal comprising two plate-like elements with a gap in between;

    one or more non-self-supporting layers of crystalline material attached to the plasmonic metal within the gap, the one or more layers of crystalline materials configured to form an active region of a laser; and

    a waveguide configured to receive plasmons from the laser and direct the plasmons to a recording medium.

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