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Rostock 2019 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 58: Poster: Quantum Optics and Photonics III

Q 58.21: Poster

Thursday, March 14, 2019, 16:15–18:15, S Atrium Informatik

Optomechanical entanglement detectionJason Hoelscher-Obermaier1, Sebastian Hofer1, Ramon Mogadas-Nia1, Claus Gaertner1,3, •Corentin Gut1,2, Klemens Wrinkler1, Adrian Steffens4, Jens Eisert4, Witlef Wieczorek5, Markus Aspelmeyer1, and Klemens Hammerer21Univeristy of Vienna, Vienna, Austria — 2Leibniz University Hannover, Hannover, Germany — 3Delft University of Technology, Delft, Netherlands — 4Free University of Berlin, Berlin, Germany — 5Chalmers University of Technology, Goeteborg, Sweden

We consider an optomechanical (OM) system driven continuously close to resonance. The OM interaction generates correlation between light and mechanical motion: OM entanglement. The same correlation is encoded in the two sidebands of the cavity output field. Detecting entanglement on two appropriate light modes reveals the presence of OM entanglement.

We present a scheme that is portable to various optomechanical set-ups, for instance membrane in the middle or levitated particles. The tools developed can treat the presence of multiple mechanical modes in the frequency response of the OM system.

Fully analytical study of the Langevin eq. and simulations of realistic situation predict entanglement for accessible parameter regime.

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