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Related Experiment Video

Updated: May 8, 2026

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

Parametric seeding of a microresonator optical frequency comb.

Scott B Papp1, Pascal Del'Haye, Scott A Diddams

  • 1National Institute of Standards and Technology, Boulder, Colorado 80305, USA. scott.papp@nist.gov

Optics Express
|August 14, 2013
PubMed
Summary

Parametric seeding precisely replicates pump-sideband spacing in microresonator frequency combs (microcombs). This method achieves record line-spacing stability and generates strictly equidistant microcomb spectra.

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Area of Science:

  • Photonics
  • Quantum Optics
  • Laser Physics

Background:

  • Microresonator frequency combs (microcombs) are complex optical systems.
  • Achieving precise control over microcomb spectra, particularly equidistant subcombs, remains a challenge.

Purpose of the Study:

  • To investigate parametric seeding as a method to control microcomb spectra.
  • To demonstrate the generation of strictly equidistant microcomb spectra using this technique.

Main Methods:

  • Utilized a pump laser with two electro-optic-modulation sidebands for parametric seeding.
  • Investigated the spectral properties of the resulting microcomb.

Main Results:

  • Demonstrated precise replication of pump-sideband spacing across the microcomb's optical spectrum.

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Last Updated: May 8, 2026

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  • Achieved a record absolute line-spacing stability for microcombs of 1.6 × 10⁻¹³ at 1 second.
  • Showed that parametric seeding controls subcombs and generates strictly equidistant spectra.

    • Conclusions:

    • Parametric seeding is an effective method for controlling microcomb spectral properties.
    • This technique enables the generation of highly stable and strictly equidistant microcomb spectra, overcoming previous complexities.