Steady-state negative Wigner functions of nonlinear nanomechanical oscillators
We propose a scheme for preparing nanomechanical oscillators in nonclassical steady states, characterized by a pronounced negative Wigner function. In our optomechanical approach, the mechanical oscillator couples to multiple laser-driven resonances of an optical cavity. By lowering the resonance fr...
| Hoofdauteurs: | , , , |
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| Formaat: | Journal article |
| Taal: | English |
| Gepubliceerd in: |
2012
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| _version_ | 1826290873308020736 |
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| author | Rips, S Kiffner, M Wilson-Rae, I Hartmann, M |
| author_facet | Rips, S Kiffner, M Wilson-Rae, I Hartmann, M |
| author_sort | Rips, S |
| collection | OXFORD |
| description | We propose a scheme for preparing nanomechanical oscillators in nonclassical steady states, characterized by a pronounced negative Wigner function. In our optomechanical approach, the mechanical oscillator couples to multiple laser-driven resonances of an optical cavity. By lowering the resonance frequency of the oscillator via an inhomogeneous electrostatic field, we significantly enhance its intrinsic geometric nonlinearity per phonon. This causes the motional sidebands to split into separate spectral lines for each phonon number and transitions between individual phonon Fock states can be selectively addressed. We show that this enables the preparation of the nanomechanical oscillator in a single-phonon Fock state. Our scheme can, for example, be implemented with a carbon nanotube dispersively coupled to the evanescent field of a state of the art whispering gallery mode microcavity. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. |
| first_indexed | 2024-03-07T02:50:51Z |
| format | Journal article |
| id | oxford-uuid:ada1cc5f-a582-4708-a321-836858ebd3db |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T02:50:51Z |
| publishDate | 2012 |
| record_format | dspace |
| spelling | oxford-uuid:ada1cc5f-a582-4708-a321-836858ebd3db2022-03-27T03:37:00ZSteady-state negative Wigner functions of nonlinear nanomechanical oscillatorsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:ada1cc5f-a582-4708-a321-836858ebd3dbEnglishSymplectic Elements at Oxford2012Rips, SKiffner, MWilson-Rae, IHartmann, MWe propose a scheme for preparing nanomechanical oscillators in nonclassical steady states, characterized by a pronounced negative Wigner function. In our optomechanical approach, the mechanical oscillator couples to multiple laser-driven resonances of an optical cavity. By lowering the resonance frequency of the oscillator via an inhomogeneous electrostatic field, we significantly enhance its intrinsic geometric nonlinearity per phonon. This causes the motional sidebands to split into separate spectral lines for each phonon number and transitions between individual phonon Fock states can be selectively addressed. We show that this enables the preparation of the nanomechanical oscillator in a single-phonon Fock state. Our scheme can, for example, be implemented with a carbon nanotube dispersively coupled to the evanescent field of a state of the art whispering gallery mode microcavity. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. |
| spellingShingle | Rips, S Kiffner, M Wilson-Rae, I Hartmann, M Steady-state negative Wigner functions of nonlinear nanomechanical oscillators |
| title | Steady-state negative Wigner functions of nonlinear nanomechanical oscillators |
| title_full | Steady-state negative Wigner functions of nonlinear nanomechanical oscillators |
| title_fullStr | Steady-state negative Wigner functions of nonlinear nanomechanical oscillators |
| title_full_unstemmed | Steady-state negative Wigner functions of nonlinear nanomechanical oscillators |
| title_short | Steady-state negative Wigner functions of nonlinear nanomechanical oscillators |
| title_sort | steady state negative wigner functions of nonlinear nanomechanical oscillators |
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