A quantum optics approach to quantum state engineering and measurement in nano-mechanical structures

Ignacio Wilson-Rae; Atac Imamoglu; Lin Tian; Peter Zoller

doi:10.1117/12.548026

25 May 2004 A quantum optics approach to quantum state engineering and measurement in nano-mechanical structures

Ignacio Wilson-Rae, Atac Imamoglu, Lin Tian, Peter Zoller

Proceedings Volume 5468, Fluctuations and Noise in Photonics and Quantum Optics II; (2004) https://doi.org/10.1117/12.548026
Event: Second International Symposium on Fluctuations and Noise, 2004, Maspalomas, Gran Canaria Island, Spain

Abstract

We propose a technique that allows to laser cool a nanomechanical resonator mode to its motional ground state. The method is based on resonant laser excitation of a phonon sideband of an embedded self-assembled quantum dot. The strength of this sideband coupling is determined directly by the difference between the electron-phonon couplings of the initial and final states of the quantum dot (QD) optical transition. When compared with the analogous sideband-cooling of a trapped-ion (TI), we find novel quantum interference effects in the cooling cycle and that the finite Q-value can lead to regimes where the final occupancy is proportional to the initial one -- with their ratio determined by the product of the "effective Lamb-Dicke" parameter and the Q-value. The interactions underlying this cooling scheme also provide a tool-box for quantum state engineering in these systems.

Citation Download Citation

Ignacio Wilson-Rae, Atac Imamoglu, Lin Tian, and Peter Zoller "A quantum optics approach to quantum state engineering and measurement in nano-mechanical structures", Proc. SPIE 5468, Fluctuations and Noise in Photonics and Quantum Optics II, (25 May 2004); https://doi.org/10.1117/12.548026

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KEYWORDS

Resonators

Phonons

Quantum dots

Quantum optics

Excitons

Laser resonators

Gallium arsenide

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