SKM 2023 – wissenschaftliches Programm
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HL: Fachverband Halbleiterphysik
HL 10: Focus Session: Progress in Hybrid Phononic Quantum Technologies II
HL 10.5: Vortrag
Montag, 27. März 2023, 17:00–17:15, POT 151
Readout of phonon statistics via resonance fluorescence of a single photon emitter — •Daniel Groll1, Thilo Hahn1, Ortwin Hess2, Paweł Machnikowski3, Tilmann Kuhn1, and Daniel Wigger2 — 1Institute of Solid State Theory, University of Münster, Germany — 2School of Physics, Trinity College Dublin, Ireland — 3Department of Theoretical Physics, Wrocław University of Science and Technology, Poland
Single photon emitters in a solid state environment are inevitably coupled to phonon modes of the host material. On the one hand, decoherence induced by this coupling is often detrimental for harnessing the full potential of such emitters. On the other hand, this interaction in principle allows for control of the emitter not only optically, but also acoustically. Hybrid systems, comprised of optical, acoustic and excitonic components thus offer a high degree of flexibility by making use of all available interaction channels.
We consider here a single photon emitter located inside a phononic resonator and driven by an external laser. We derive analytical expressions for the resonance fluorescence (RF) spectrum, depending explicitly on the quantum statistics of the resonator mode. We show that, in principle, the statistics of the phonon mode can be determined from a given RF spectrum using our analytical model. We thus establish a simple and direct connection between the optical and acoustic components of such a hybrid system, paving the way for using single photon emitters as quantum transducers between the optical and acoustic domain.