Long-time correlated quantum dynamics of phonon cooling
Sergiu Carlig, Mihai A. Macovei
TL;DR
This paper explores the steady-state cooling of a nanomechanical oscillator coupled with a quantum dot in an optical resonator, highlighting the role of photon emission correlations in phonon cooling detection.
Contribution
It introduces a detailed analysis of correlated quantum dynamics in phonon cooling, linking photon emission processes to vibrational state control.
Findings
Photon emission correlates with phonon absorption during cooling.
Detection of cavity photons indicates phonon cooling events.
Steady-state conditions enable continuous phonon cooling monitoring.
Abstract
We investigate the steady-state cooling dynamics of vibrational degrees of freedom related to a nanomechanical oscillator coupled with a laser-pumped quantum dot in an optical resonator. Correlations between phonon-cooling and quantum-dot photon emission processes occur respectively when a photon laser absorption together with a vibrational phonon absorption is followed by photon emission in the optical resonator. Therefore, the detection of photons generated in the cavity mode concomitantly contribute to phonon cooling detection of the nanomechanical resonator.
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