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

TY - CHAP

T1 - A quantum optics approach to quantum state engineering and measurement in nano-mechanical structures

AU - Wilson-Rae, I.

AU - Tian, L.

AU - Zoller, P.

AU - Imamoglu, A.

PY - 2004/5/25

Y1 - 2004/5/25

N2 - 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.

AB - 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.

UR - http://www.scopus.com/inward/record.url?scp=4444295046&partnerID=8YFLogxK

U2 - 10.1117/12.548026

DO - 10.1117/12.548026

M3 - Chapter (peer-reviewed)

AN - SCOPUS:4444295046

VL - 5468

SP - 180

EP - 190

BT - FLUCTUATIONS AND NOISE IN PHOTONICS AND QUANTUM OPTICS II Book Series: Proceedings of SPIE

ER -