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MULTI-CORE OPTICAL FIBER, WAVELENGTH DIVISION MULTIPLEXING COUPLER, AND MULTI-CORE OPTICAL FIBER AMPLIFIER

  • US 20130163072A1
  • Filed: 09/11/2012
  • Published: 06/27/2013
  • Est. Priority Date: 12/26/2011
  • Status: Abandoned Application
First Claim
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1. A multi-core optical fiber amplifier, comprising:

  • a double clad multi-core optical fiber configured to include a plurality of cores, an internal cladding enclosing the plurality of cores, and an external cladding enclosing the internal cladding;

    a pumping light source configured to output pumping light;

    an optical fiber configured to receive pumping light from the pumping light source; and

    a wavelength division multiplexing coupler configured to couple the optical fiber with the double clad multi-core optical fiber to apply the pumping light input to the optical fiber from the pumping light source to the double clad multi-core optical fiber.

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