Laser cooling of a nanomechanical oscillator into its quantum ground state
A patterned Si nanobeam is formed which supports co-localized acoustic and optical resonances that are coupled via radiation pressure. Starting from a bath temperature of T=20K, the 3.68GHz nanomechanical mode is cooled into its quantum mechanical ground state utilizing optical radiation pressure. T...
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| Veröffentlicht in: | arXiv.org 2011-06 |
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| creator | Chan, Jasper Mayer Alegre, T P Safavi-Naeini, Amir H Hill, Jeff T Krause, Alex Groeblacher, Simon Aspelmeyer, Markus Painter, Oskar |
| description | A patterned Si nanobeam is formed which supports co-localized acoustic and optical resonances that are coupled via radiation pressure. Starting from a bath temperature of T=20K, the 3.68GHz nanomechanical mode is cooled into its quantum mechanical ground state utilizing optical radiation pressure. The mechanical mode displacement fluctuations, imprinted on the transmitted cooling laser beam, indicate that a final phonon mode occupancy of 0.85 +-0.04 is obtained. |
| doi_str_mv | 10.48550/arxiv.1106.3614 |
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| identifier | EISSN: 2331-8422 |
| ispartof | arXiv.org, 2011-06 |
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| language | eng |
| recordid | cdi_arxiv_primary_1106_3614 |
| source | Freely Accessible Journals; arXiv.org |
| subjects | Acoustic coupling Acoustic resonance Cooling Ground state Laser beams Laser cooling Occupancy Optical radiation Physics - Quantum Physics Quantum mechanics Radiation pressure Variations |
| title | Laser cooling of a nanomechanical oscillator into its quantum ground state |
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