Projects per year
Abstract
We report dispersive coupling of an optically trapped nanoparticle to the field of a Fabry–Perot cavity in high vacuum. We demonstrate nanometer-level control in positioning the particle with respect to the cavity field, which allows access to linear, quadratic, and tertiary optomechanical interactions in the resolved sideband regime. We determine all relevant coupling rates of the system, i.e. mechanical and optical losses as well as optomechanical interaction, and obtain a quantum cooperativity of C Q = 0.01. Based on the presented performance, the regime of strong cooperativity (C Q > 1) is clearly within reach by further decreasing the mode volume of the cavity.
Original language | English |
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Article number | 025006 |
Number of pages | 11 |
Journal | Quantum Science and Technology |
Volume | 5 |
Issue number | 2 |
DOIs | |
Publication status | Published - 17 Mar 2020 |
Austrian Fields of Science 2012
- 103026 Quantum optics
Keywords
- levitated cavity optomechanics
- nanoparticle
- optical levitation
- optomechanics
- quantum cooperativity
Projects
- 4 Finished
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QuaSeRT: Optomechanical quantum sensors at room temperature
Kiesel, T. N. & Aspelmeyer, M.
1/06/18 → 31/12/21
Project: Research funding
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TheLO: Thermodynamik mit levitierter Optomechanik
Kiesel, T. N. & Paulovics, V.
1/01/17 → 31/12/22
Project: Research funding
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QLev4G: Quantum control of levitated massive mechanical systems: a new approach for gravitational quantum physics
Aspelmeyer, M. & Paulovics, V.
1/06/15 → 31/05/20
Project: Research funding