Experimental realization of a thermal squeezed state of levitated optomechanics
We experimentally squeeze the thermal motional state of an optically levitated nanosphere by fast switching between two trapping frequencies. The measured phase-space distribution of the center of mass of our particle shows the typical shape of a squeezed thermal state, from which we infer up to 2.7...
| Main Authors: | , , , , , , |
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| Format: | Article |
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American Physical Society
2016
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| Online Access: | https://eprints.nottingham.ac.uk/40803/ |
| _version_ | 1848796137363865600 |
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| author | Rashid, Muddassar Tufarelli, Tommaso Bateman, James Vovrosh, Jamie Hempston, David Kim, M. S. Ulbricht, Hendrik |
| author_facet | Rashid, Muddassar Tufarelli, Tommaso Bateman, James Vovrosh, Jamie Hempston, David Kim, M. S. Ulbricht, Hendrik |
| author_sort | Rashid, Muddassar |
| building | Nottingham Research Data Repository |
| collection | Online Access |
| description | We experimentally squeeze the thermal motional state of an optically levitated nanosphere by fast switching between two trapping frequencies. The measured phase-space distribution of the center of mass of our particle shows the typical shape of a squeezed thermal state, from which we infer up to 2.7 dB of squeezing along one motional direction. In these experiments the average thermal occupancy is high and, even after squeezing, the motional state remains in the remit of classical statistical mechanics. Nevertheless, we argue that the manipulation scheme described here could be used to achieve squeezing in the quantum regime if preceded by cooling of the levitated mechanical oscillator. Additionally, a higher degree of squeezing could, in principle, be achieved by repeating the frequency-switching protocol multiple times. |
| first_indexed | 2025-11-14T19:43:12Z |
| format | Article |
| id | nottingham-40803 |
| institution | University of Nottingham Malaysia Campus |
| institution_category | Local University |
| last_indexed | 2025-11-14T19:43:12Z |
| publishDate | 2016 |
| publisher | American Physical Society |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | nottingham-408032020-05-04T18:23:58Z https://eprints.nottingham.ac.uk/40803/ Experimental realization of a thermal squeezed state of levitated optomechanics Rashid, Muddassar Tufarelli, Tommaso Bateman, James Vovrosh, Jamie Hempston, David Kim, M. S. Ulbricht, Hendrik We experimentally squeeze the thermal motional state of an optically levitated nanosphere by fast switching between two trapping frequencies. The measured phase-space distribution of the center of mass of our particle shows the typical shape of a squeezed thermal state, from which we infer up to 2.7 dB of squeezing along one motional direction. In these experiments the average thermal occupancy is high and, even after squeezing, the motional state remains in the remit of classical statistical mechanics. Nevertheless, we argue that the manipulation scheme described here could be used to achieve squeezing in the quantum regime if preceded by cooling of the levitated mechanical oscillator. Additionally, a higher degree of squeezing could, in principle, be achieved by repeating the frequency-switching protocol multiple times. American Physical Society 2016-12-30 Article PeerReviewed Rashid, Muddassar, Tufarelli, Tommaso, Bateman, James, Vovrosh, Jamie, Hempston, David, Kim, M. S. and Ulbricht, Hendrik (2016) Experimental realization of a thermal squeezed state of levitated optomechanics. Physical Review Letters, 117 (27). 273601/1-273601/5. ISSN 1079-7114 http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.273601 doi:10.1103/PhysRevLett.117.273601 doi:10.1103/PhysRevLett.117.273601 |
| spellingShingle | Rashid, Muddassar Tufarelli, Tommaso Bateman, James Vovrosh, Jamie Hempston, David Kim, M. S. Ulbricht, Hendrik Experimental realization of a thermal squeezed state of levitated optomechanics |
| title | Experimental realization of a thermal squeezed state of levitated optomechanics |
| title_full | Experimental realization of a thermal squeezed state of levitated optomechanics |
| title_fullStr | Experimental realization of a thermal squeezed state of levitated optomechanics |
| title_full_unstemmed | Experimental realization of a thermal squeezed state of levitated optomechanics |
| title_short | Experimental realization of a thermal squeezed state of levitated optomechanics |
| title_sort | experimental realization of a thermal squeezed state of levitated optomechanics |
| url | https://eprints.nottingham.ac.uk/40803/ https://eprints.nottingham.ac.uk/40803/ https://eprints.nottingham.ac.uk/40803/ |