Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherence
Nonclassical states of macroscopic objects are promising for ultrasensitive metrology as well as testing quantum mechanics. In this work, we investigate dissipative mechanical quantum state engineering in an optically levitated nanodiamond. First, we study single-mode mechanical squeezed states by m...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2016-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/18/10/103002 |
| _version_ | 1797751107833823232 |
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| author | Wenchao Ge M Bhattacharya |
| author_facet | Wenchao Ge M Bhattacharya |
| author_sort | Wenchao Ge |
| collection | DOAJ |
| description | Nonclassical states of macroscopic objects are promising for ultrasensitive metrology as well as testing quantum mechanics. In this work, we investigate dissipative mechanical quantum state engineering in an optically levitated nanodiamond. First, we study single-mode mechanical squeezed states by magnetically coupling the mechanical motion to a dressed three-level system provided by a nitrogen-vacancy center in the nanoparticle. Quantum coherence between the dressed levels is created via microwave fields to induce a two-phonon transition, which results in mechanical squeezing. Remarkably, we find that in ultrahigh vacuum quantum squeezing is achievable at room temperature with feedback cooling. For moderate vacuum, quantum squeezing is possible with cryogenic temperature. Second, we present a setup for two mechanical modes coupled to the dressed three levels, which results in two-mode squeezing analogous to the mechanism of the single-mode case. In contrast to previous works, our study provides a deterministic method for engineering macroscopic squeezed states without the requirement for a cavity. |
| first_indexed | 2024-03-12T16:43:38Z |
| format | Article |
| id | doaj.art-88b68b9ae74d410c8ab8ffb7f180eeaa |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:43:38Z |
| publishDate | 2016-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-88b68b9ae74d410c8ab8ffb7f180eeaa2023-08-08T14:21:36ZengIOP PublishingNew Journal of Physics1367-26302016-01-01181010300210.1088/1367-2630/18/10/103002Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherenceWenchao Ge0M Bhattacharya1School of Physics and Astronomy, Rochester Institute of Technology , 84 Lomb Memorial Drive, Rochester, NY 14623, USASchool of Physics and Astronomy, Rochester Institute of Technology , 84 Lomb Memorial Drive, Rochester, NY 14623, USANonclassical states of macroscopic objects are promising for ultrasensitive metrology as well as testing quantum mechanics. In this work, we investigate dissipative mechanical quantum state engineering in an optically levitated nanodiamond. First, we study single-mode mechanical squeezed states by magnetically coupling the mechanical motion to a dressed three-level system provided by a nitrogen-vacancy center in the nanoparticle. Quantum coherence between the dressed levels is created via microwave fields to induce a two-phonon transition, which results in mechanical squeezing. Remarkably, we find that in ultrahigh vacuum quantum squeezing is achievable at room temperature with feedback cooling. For moderate vacuum, quantum squeezing is possible with cryogenic temperature. Second, we present a setup for two mechanical modes coupled to the dressed three levels, which results in two-mode squeezing analogous to the mechanism of the single-mode case. In contrast to previous works, our study provides a deterministic method for engineering macroscopic squeezed states without the requirement for a cavity.https://doi.org/10.1088/1367-2630/18/10/103002NV center nanodiamondmechanical squeezed statesquantum coherenceoptical levitation42.50.Dv42.50.Ar |
| spellingShingle | Wenchao Ge M Bhattacharya Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherence New Journal of Physics NV center nanodiamond mechanical squeezed states quantum coherence optical levitation 42.50.Dv 42.50.Ar |
| title | Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherence |
| title_full | Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherence |
| title_fullStr | Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherence |
| title_full_unstemmed | Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherence |
| title_short | Single and two-mode mechanical squeezing of an optically levitated nanodiamond via dressed-state coherence |
| title_sort | single and two mode mechanical squeezing of an optically levitated nanodiamond via dressed state coherence |
| topic | NV center nanodiamond mechanical squeezed states quantum coherence optical levitation 42.50.Dv 42.50.Ar |
| url | https://doi.org/10.1088/1367-2630/18/10/103002 |
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