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Berlin 2018 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 39: Focus Session: Quantum Nanophotonics in Solid State Systems I (joint session HL/TT)

TT 39.17: Talk

Tuesday, March 13, 2018, 15:30–15:45, EW 201

Quantum correlations of strongly-coupled emitters inside a nanoantenna-enhanced plasmonic cavity — •Matthias Hensen1, Tristan Kenneweg2, Tal Heilpern3, Stephen K. Gray3, and Walter Pfeiffer21Institut für Physikalische und Theoretische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany — 2Center for Nanoscale Materials, Argonne National Laboratory, 9700 Cass Avenue, Lemont, Illinois 60439, USA — 3Fakultät für Physik, Universität Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany

Plasmon-mediated strong coupling between spatially separated and thus selectively addressable quantum emitters is a worthwhile goal for conveying quantum optical many-body interactions to ultrafast timescales. For this purpose we employ a recently demonstrated hybridization scheme [1] that combines the longevity and waveguide character of an elliptical plasmon cavity with the strong field enhancement of nanoantennas positioned in the associated focal spots. Quantum dynamical simulations reveal an oscillatory exchange of excited state population and a notable degree of entanglement between the attached quantum emitters over a distance of 1.8 µm [2].
Presently, we study coherent control and time-resolved spectroscopy of quantum emitter-related nonclassical photon correlations in this device and show first results.
[1] Aeschlimann et al., Light: Science & Applications 6, e17111 (2017)
[2] Hensen et al., ACS Photonics, doi:10.1021/acsphotonics.7b00717

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