Light Scattering from Solid-State Quantum Emitters: Beyond the Atomic Picture

Alistair J. Brash, Jake Iles-Smith, Catherine L. Phillips, Dara P. S. McCutcheon, John O'Hara, Edmund Clarke, Benjamin Royall, Luke Wilson, Jesper Mørk, Maurice S. Skolnick, A. Mark Fox, Ahsan Nazir

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Coherent scattering of light by a single quantum emitter is a fundamental process at the heart of many proposed quantum technologies. Unlike atomic systems, solid-state emitters couple to their host lattice by phonons. Using a quantum dot in an optical nanocavity, we resolve these interactions in both time and frequency domains, going beyond the atomic picture to develop a comprehensive model of light scattering from solid-state emitters. We find that even in the presence of a low- Q cavity with high Purcell enhancement, phonon coupling leads to a sideband that is completely insensitive to excitation conditions, and to a non-monotonic relationship between laser detuning and coherent fraction, both of which are major deviations from atom-like behaviour.
Original languageEnglish
Article number167403
JournalPhysical Review Letters
Early online date16 Oct 2019
Publication statusPublished - 2019


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