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Near-field coupling of a levitated nanoparticle to a photonic crystal cavity

Publication ,  Journal Article
Magrini, L; Norte, RA; Riedinger, R; Marinković, I; Grass, D; Delić, U; Gröblacher, S; Hong, S; Aspelmeyer, M
Published in: Optica
December 20, 2018

Quantum control of levitated dielectric particles is an emerging subject in quantum optomechanics. A major challenge is to efficiently measure and manipulate the particle’s motion at the Heisenberg uncertainty limit. Here we present a nanophotonic interface suited to address this problem. By optically trapping a 150 nm silica particle and placing it in the near field of a photonic crystal cavity, we achieve tunable single-photon optomechanical coupling of up to g0∕2π 9kHz, three orders of magnitude larger than previously reported for levitated cavity optomechanical systems. Efficient collection and guiding of light through the nanophotonic structure results in a per-photon displacement sensitivity that is increased by two orders of magnitude compared to conventional far-field detection. The demonstrated performance shows a promising route for room temperature quantum optomechanics.

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Published In

Optica

DOI

ISSN

2334-2536

Publication Date

December 20, 2018

Volume

5

Issue

12

Start / End Page

1597 / 1602

Related Subject Headings

  • 5102 Atomic, molecular and optical physics
  • 1005 Communications Technologies
  • 0906 Electrical and Electronic Engineering
  • 0205 Optical Physics
 

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Magrini, L., Norte, R. A., Riedinger, R., Marinković, I., Grass, D., Delić, U., … Aspelmeyer, M. (2018). Near-field coupling of a levitated nanoparticle to a photonic crystal cavity. Optica, 5(12), 1597–1602. https://doi.org/10.1364/OPTICA.5.001597
Magrini, L., R. A. Norte, R. Riedinger, I. Marinković, D. Grass, U. Delić, S. Gröblacher, S. Hong, and M. Aspelmeyer. “Near-field coupling of a levitated nanoparticle to a photonic crystal cavity.” Optica 5, no. 12 (December 20, 2018): 1597–1602. https://doi.org/10.1364/OPTICA.5.001597.
Magrini L, Norte RA, Riedinger R, Marinković I, Grass D, Delić U, et al. Near-field coupling of a levitated nanoparticle to a photonic crystal cavity. Optica. 2018 Dec 20;5(12):1597–602.
Magrini, L., et al. “Near-field coupling of a levitated nanoparticle to a photonic crystal cavity.” Optica, vol. 5, no. 12, Dec. 2018, pp. 1597–602. Scopus, doi:10.1364/OPTICA.5.001597.
Magrini L, Norte RA, Riedinger R, Marinković I, Grass D, Delić U, Gröblacher S, Hong S, Aspelmeyer M. Near-field coupling of a levitated nanoparticle to a photonic crystal cavity. Optica. 2018 Dec 20;5(12):1597–1602.
Journal cover image

Published In

Optica

DOI

ISSN

2334-2536

Publication Date

December 20, 2018

Volume

5

Issue

12

Start / End Page

1597 / 1602

Related Subject Headings

  • 5102 Atomic, molecular and optical physics
  • 1005 Communications Technologies
  • 0906 Electrical and Electronic Engineering
  • 0205 Optical Physics