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This study experimentally demonstrates hybrid acousto-optical dressing of a two-level system, revealing novel regimes in strongly driven quantum nonlinear interactions and validating conditions for optimal acoustic phonon cooling. The work advances fundamental understanding of emitter-optomechanical systems through precise control over optical Rabi oscillations combined with acoustic field modulation.
Hybrid Acousto-Optical Double Dressing of a Two-Level System
arXiv:2509.25847v2 Announce Type: replace Abstract: We experimentally investigate resonance fluorescence from a two-level system in a novel configuration where a strong laser drives an optical Rabi oscillation while an acoustic field parametrically modulates the frequency of the two-level system. We observe emission spectra that deviate markedly from the standard Mollow triplet, including dynamical cancellation of the central peak. A doubly dressed state model incorporating hybridization among the emitter, optical field, and acoustic field captures these features. Guided by this model, we experimentally validate the condition for optimal cooling of acoustic phonons in an emitter-optomechanical system. These results reveal new regimes of strongly driven quantum nonlinear interactions.
Abstract:We experimentally investigate resonance fluorescence from a two-level system in a novel configuration where a strong laser drives an optical Rabi oscillation while an acoustic field parametrically modulates the frequency of the two-level system. We observe emission spectra that deviate markedly from the standard Mollow triplet, including dynamical cancellation of the central peak. A doubly dressed state model incorporating hybridization among the emitter, optical field, and acoustic field captures these features. Guided by this model, we experimentally validate the condition for optimal cooling of acoustic phonons in an emitter-optomechanical system. These results reveal new regimes of strongly driven quantum nonlinear interactions.
arXiv:2509.25847 [quant-ph]
(or arXiv:2509.25847v2 [quant-ph] for this version)
https://doi.org/10.48550/arXiv.2509.25847 Focus to learn more arXiv-issued DOI via DataCite
https://doi.org/10.1103/xjpt-q14w Focus to learn more DOI(s) linking to related resources
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