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PHOTONIC RF GENERATOR

  • US 20150110494A1
  • Filed: 02/07/2012
  • Published: 04/23/2015
  • Est. Priority Date: 02/07/2012
  • Status: Abandoned Application
First Claim
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1. An RF signal generator comprising:

  • an optical part for outputting two or more optical carrier signals separated in optical frequency by a frequency difference;

    a modulator arranged to modulate the two or more optical carrier signals with an intermediate frequency to generate sideband signals, the modulator also being arranged to apply a phase modulation to one or more of the sideband signals or the optical carrier signals, without applying the phase modulation to others of the sideband signals or optical carrier signals, the modulator having integrated optical paths for both the phase modulated signals and for the others of the signals without corresponding phase modulation; and

    a detector part arranged to combine at least one of the phase modulated signals with at least one of the other signals without corresponding phase modulation, to output an RF signal having a frequency corresponding to a difference in optical frequencies of these signals, and having the phase modulation.

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