Dresden 2014 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 39: Transport: Quantum Coherence and Quantum Information Systems - Theory II

TT 39.7: Talk

Tuesday, April 1, 2014, 12:15–12:30, BEY 81

Non-linear quantum optics and entanglement in arrays of optomechanical oscillators — •Steven Habraken, Zhijiao Deng, and Florian Marquardt — Institut für Theoretische Physik II, Friedrich-Alexander Universität Erlangen-Nürnberg, Staudtstraße 7 91058 Erlangen

We consider arrays of coupled optomechanical cells, each of which consists of a laser-driven localized optical resonance interacting with a mechanical (vibrational) mode. The cells are coupled through photon tunneling. We characterize the phonon-mediated photon-photon interaction in such arrays. As an example, we focus on the case of three coupled optomechanical cells and show that such a setup can be used as a source of entangled photon pairs. We characterize such continuous variable entanglement and study its temperature dependence.