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Dense wavelength division multiplexing (DWDM) fiberoptic source

  • US 6,724,789 B2
  • Filed: 12/13/2001
  • Issued: 04/20/2004
  • Est. Priority Date: 12/14/2000
  • Status: Expired due to Fees
First Claim
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1. A light generation structure comprising:

  • a sealed enclosure;

    a light source disposed within the enclosure;

    a waveguide having an entrance disposed within the enclosure in an optical path from the light source;

    a reference gas contained by the enclosure, the reference gas imposing a reference characteristic on light from the light source, wherein the enclosure inhibits leakage of the reference gas;

    a frequency-adjustable etalon in another optical path from the light source, the etalon generating interference fringes at a plurality of discretely separated frequencies; and

    an etalon feedback control loop coupled to the etalon to stabilize the discretely separated frequencies of the etalon in response to the reference characteristic.

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