Freiburg 2019 – wissenschaftliches Programm

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FM: Fall Meeting

FM 83: Poster: Enabling Technologies Sources of Quantum States of Light

FM 83.4: Poster

Donnerstag, 26. September 2019, 16:30–18:30, Tents

Strongly Correlated Photon Transport in a Waveguide with Weakly Coupled Emitters — Adarsh Prasad¹, Jakob Hinney¹, Klemens Hammerer², Sahand Mahmoodian², Samuel Rind¹, •Max Schemmer³, Philipp Schneeweiss^1,3, Anders Sørensen⁴, Jürgen Volz^1,3, and Arno Rauschenbeutel^1,3 — ¹TU Wien, Atominstitut, Stadionallee 2, 1020 Vienna, Austria — ²Institute for Theoretical Physics, Institute for Gravitational Physics (Albert Einstein Institute), Leibniz University Hannover, Appelstraße 2, 30167 Hannover, Germany — ³Department of Physics, Humboldt-Universität zu Berlin, 10099 Berlin, Germany — ⁴Center for Hybrid Quantum Networks (Hy-Q), Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, DK-2100 Copenhagen, Denmark

Typical schemes for generating correlated states of light require a highly nonlinear medium strongly coupled to an optical mode. Such approaches are often impaired by unavoidable dissipative processes which reduce the nonlinearity and cause photon loss. Here, we experimentally demonstrate the opposite approach, where a highly dissipative, weakly coupled medium can be harnessed to generate and study strongly correlated states of light. Specifically, we show that light transmitted through an ensemble of atoms that weakly couple to the optical mode of an optical nanofiber exhibits antibunched or bunched photon statistics depending on the optical depth of the atomic ensemble. This opens a new avenue for generating nonclassical states of light and for exploring photon correlations in non-equilibrium systems using a mix of nonlinear and dissipative processes.