Laser cooling of a nanomechanical resonator mode to its quantum ground state.
We show that it is possible to cool a nanomechanical resonator mode to its ground state. The proposed technique is based on resonant laser excitation of a phonon sideband of an embedded quantum dot. The strength of the sideband coupling is determined directly by the difference between the electron-phonon couplings of the initial and final states of the quantum dot optical transition. Possible applications of this scheme include generation of nonclassical states of mechanical motion.
Department of Physics, University of California, Santa Barbara, CA 93106, USA.
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Wilson-Rae
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Zoller
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Imamoğlu