Observation of quantum motion of a nanomechanical resonator
In this Letter we use resolved sideband laser cooling to cool a mesoscopic mechanical resonator to near its quantum ground state (phonon occupancy 2.6±0.2), and observe the motional sidebands generated on a second probe laser. Asymmetry in the sideband amplitudes provides a direct measure of the dis...
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Veröffentlicht in: | Physical review letters 2012-01, Vol.108 (3), p.033602-033602, Article 033602 |
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creator | Safavi-Naeini, Amir H Chan, Jasper Hill, Jeff T Alegre, Thiago P Mayer Krause, Alex Painter, Oskar |
description | In this Letter we use resolved sideband laser cooling to cool a mesoscopic mechanical resonator to near its quantum ground state (phonon occupancy 2.6±0.2), and observe the motional sidebands generated on a second probe laser. Asymmetry in the sideband amplitudes provides a direct measure of the displacement noise power associated with quantum zero-point fluctuations of the nanomechanical resonator, and allows for an intrinsic calibration of the phonon occupation number. |
doi_str_mv | 10.1103/physrevlett.108.033602 |
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title | Observation of quantum motion of a nanomechanical resonator |
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