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20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier
10:17

20 mJ, 1 ps Yb:YAG Thin-disk Regenerative Amplifier

Published on: July 12, 2017

Cavity optoelectromechanical regenerative amplification.

Michael A Taylor1, Alex Szorkovszky, Joachim Knittel

  • 1Centre for Engineered Quantum Systems, University of Queensland, St Lucia, Queensland 4072, Australia.

Optics Express
|June 21, 2012
PubMed
Summary
This summary is machine-generated.

Cavity optoelectromechanical regenerative amplification was demonstrated, significantly narrowing mechanical mode linewidth. This breakthrough enhances sensitivity for ultrasensitive optomechanical mass spectroscopy.

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Area of Science:

  • Optomechanics
  • Quantum Optics
  • Nanotechnology

Background:

  • Optomechanical systems couple mechanical motion to light.
  • Sensitive measurement of mechanical oscillators is crucial for various applications.
  • Previous methods limited the precision of mechanical mode measurements.

Purpose of the Study:

  • To demonstrate cavity optoelectromechanical regenerative amplification.
  • To enhance mechanical transduction for sensitive measurements.
  • To achieve significant linewidth narrowing of a mechanical mode.

Main Methods:

  • Utilizing an optical cavity to enhance mechanical transduction.
  • Employing a microtoroid with a 27.3 MHz mechanical mode.
  • Implementing regenerative amplification techniques.

Main Results:

  • Demonstrated cavity optoelectromechanical regenerative amplification.
  • Achieved a linewidth narrowing of the mechanical mode to 6.6 ± 1.4 mHz.
  • Obtained a linewidth 30 times smaller than previously reported for radiation pressure driving.

Conclusions:

  • Cavity enhancement significantly improves mechanical transduction.
  • The demonstrated technique allows for ultrasensitive measurements.
  • Potential applications include advanced optomechanical mass spectroscopy.