Quantum Motional Sideband Asymmetry in the Presence of Kerr-Type Nonlinearities

Liu Qiu, Itay Shomroni, Marie Ioannou, Daniel Malz, Andreas Nunnenkamp, Tobias J. Kippenberg

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Sideband asymmetry between the Stokes and anti-Stokes scattering is a signature of the mechanical oscillators in the quantum regime. It has been demonstrated in several optomechanical systems, as a self-calibrated thermometry method. We present motional sideband asymmetry measurements of a nano-optomechanical system sideband-cooled close to the ground state, probing simultaneously with red-and blue-detuned tones. Due to a Kerr-Type nonlinear cavity response, the measurement can exhibit an artificially increased motional sideband asymmetry. We develop a theoretical model based on Floquet theory that accurately describes our observations. This has wide-ranging implications for schemes utilizing multiple probing or pumping tones.

Original languageAmerican English
Title of host publicationInternational Conference on Optical MEMS and Nanophotonics, OMN 2018 - Proceedings
PublisherIEEE Computer Society
ISBN (Print)9781509063727
DOIs
StatePublished - 4 Sep 2018
Externally publishedYes
Event23rd International Conference on Optical MEMS and Nanophotonics, OMN 2018 - Lausanne, Switzerland
Duration: 29 Jul 20182 Aug 2018

Publication series

NameInternational Conference on Optical MEMS and Nanophotonics
Volume2018-July
ISSN (Print)2160-5033
ISSN (Electronic)2160-5041

Conference

Conference23rd International Conference on Optical MEMS and Nanophotonics, OMN 2018
Country/TerritorySwitzerland
CityLausanne
Period29/07/182/08/18

Bibliographical note

Publisher Copyright:
© 2018 IEEE.

Keywords

  • Cavity Optomechanics
  • Sideband Asymmetry
  • Sideband Cooling

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