Miniature oscillators based on optical whispering gallery mode resonators

  • Ilchenko V
  • Byrd J
  • Savchenkov A
 et al. 
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We discuss two approaches for producing spectrally pure high frequency microwave signals using miniature photonic devices. One way is based on the hyper parametric oscillations in a solid state optical resonator possessing a cubic optical nonlinearity; the other - on the microresonator based opto-electronic oscillator.We show that the optically pumped nonlinear resonator produces optical sidebands result in generation of high frequency spectrally pure microwaves when demodulated on a fast photodiode. We also show that an opto-electronic oscillator containing a narrowband whispering gallery mode electro-optical modulator possesses low phase noise even if the optical loop of the oscillator does not contain an optical fiber delay line. We demonstrate Ka band oscillator experimentally.

Author-supplied keywords

  • Fiber nonlinear optics
  • Frequency
  • Microwave oscillators
  • Nonlinear optical devices
  • Nonlinear optics
  • Optical modulation
  • Optical noise
  • Optical pumping
  • Optical resonators
  • Whispering gallery modes
  • cubic optical nonlinearity
  • electro-optical modulation
  • electro-optical modulator
  • high frequency microwave signal generation
  • laser cavity resonators
  • laser modes
  • microresonator
  • microwave generation
  • microwave oscillators
  • microwave photonics
  • miniature photonic device
  • optical frequency conversion
  • optical loop
  • optical pumped nonlinear resonator
  • optical pumping
  • optical sideband
  • optical whispering gallery mode resonator
  • optoelectronic oscillator
  • phase noise
  • solid state optical resonator possessing
  • whispering gallery modes

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  • Vladimir S. Ilchenko

  • Jerry Byrd

  • Anatoliy A. Savchenkov

  • Andrey B. Matsko

  • David Seidel

  • Lute Maleki

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