Entangling the motion of two optically trapped objects via time-modulated driving fields
We study entanglement of the motional degrees of freedom of two tethered and optically trapped microdisks inside a single cavity. By properly choosing the position of the trapped objects in the optical cavity and driving proper modes of the cavity, it is possible to equip the system with linear and...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2015-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/17/1/013056 |
| _version_ | 1827873952572112896 |
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| author | Mehdi Abdi Michael J Hartmann |
| author_facet | Mehdi Abdi Michael J Hartmann |
| author_sort | Mehdi Abdi |
| collection | DOAJ |
| description | We study entanglement of the motional degrees of freedom of two tethered and optically trapped microdisks inside a single cavity. By properly choosing the position of the trapped objects in the optical cavity and driving proper modes of the cavity, it is possible to equip the system with linear and quadratic optomechanical couplings. We show that a parametric coupling between the fundamental vibrational modes of two tethered microdisks can be generated via a time-modulated input laser. For a proper choice of the modulation frequency, this mechanism can drive the motion of the microdisks into an inseparable state in the long time limit via a two-mode squeezing process. We numerically confirm the performance of our scheme for current technology and briefly discuss an experimental setup that can be used for detecting this entanglement by employing the quadratic coupling. We also comment on the perspectives for generating such entanglement between the oscillations of optically levitated nanospheres. |
| first_indexed | 2024-03-12T16:45:20Z |
| format | Article |
| id | doaj.art-352b725880ac4fe9a67b19c4285f090f |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:45:20Z |
| publishDate | 2015-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-352b725880ac4fe9a67b19c4285f090f2023-08-08T14:16:11ZengIOP PublishingNew Journal of Physics1367-26302015-01-0117101305610.1088/1367-2630/17/1/013056Entangling the motion of two optically trapped objects via time-modulated driving fieldsMehdi Abdi0Michael J Hartmann1Technische Universität München, Physik Department , James Franck Straße, 85748 Garching, GermanyInstitute of Photonics and Quantum Sciences, Heriot-Watt University , Edinburgh, EH14 4AS, UKWe study entanglement of the motional degrees of freedom of two tethered and optically trapped microdisks inside a single cavity. By properly choosing the position of the trapped objects in the optical cavity and driving proper modes of the cavity, it is possible to equip the system with linear and quadratic optomechanical couplings. We show that a parametric coupling between the fundamental vibrational modes of two tethered microdisks can be generated via a time-modulated input laser. For a proper choice of the modulation frequency, this mechanism can drive the motion of the microdisks into an inseparable state in the long time limit via a two-mode squeezing process. We numerically confirm the performance of our scheme for current technology and briefly discuss an experimental setup that can be used for detecting this entanglement by employing the quadratic coupling. We also comment on the perspectives for generating such entanglement between the oscillations of optically levitated nanospheres.https://doi.org/10.1088/1367-2630/17/1/013056entanglementoptomechanicsoptical trapping |
| spellingShingle | Mehdi Abdi Michael J Hartmann Entangling the motion of two optically trapped objects via time-modulated driving fields New Journal of Physics entanglement optomechanics optical trapping |
| title | Entangling the motion of two optically trapped objects via time-modulated driving fields |
| title_full | Entangling the motion of two optically trapped objects via time-modulated driving fields |
| title_fullStr | Entangling the motion of two optically trapped objects via time-modulated driving fields |
| title_full_unstemmed | Entangling the motion of two optically trapped objects via time-modulated driving fields |
| title_short | Entangling the motion of two optically trapped objects via time-modulated driving fields |
| title_sort | entangling the motion of two optically trapped objects via time modulated driving fields |
| topic | entanglement optomechanics optical trapping |
| url | https://doi.org/10.1088/1367-2630/17/1/013056 |
| work_keys_str_mv | AT mehdiabdi entanglingthemotionoftwoopticallytrappedobjectsviatimemodulateddrivingfields AT michaeljhartmann entanglingthemotionoftwoopticallytrappedobjectsviatimemodulateddrivingfields |