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Apparatuses and methods for up-converting electromagnetic radiation

  • US 7,560,707 B2
  • Filed: 04/19/2007
  • Issued: 07/14/2009
  • Est. Priority Date: 04/19/2007
  • Status: Active Grant
First Claim
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1. A plasmonic up-converter apparatus, comprising:

  • an excitation source operable to emit electromagnetic radiation at an excitation frequency; and

    at least one array of nanofeatures configured to produce an emission spectrum responsive to irradiation with the electromagnetic radiation, the emission spectrum having a number of distinct emission peaks, wherein a first emission peak is associated with a fundamental harmonic frequency, a second emission peak is associated with a second harmonic frequency, and a third emission peak is associated with a third harmonic frequency, the fundamental harmonic frequency approximately equal to the excitation frequency and the second and third harmonic frequencies greater than the fundamental harmonic frequency.

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