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Cavity-enhanced single photon source based on the silicon vacancy center in diamond
Julia Benedikter, Hanno Kaupp, Thomas Hümmer +7
Single photon sources are an integral part of various quantum technologies, and solid state quantum emitters at room temperature appear as a promising implementation. We couple the…
Scaling laws of the cavity enhancement for nitrogen-vacancy centers in diamond
Hanno Kaupp, Christian Deutsch, Huan-Cheng Chang +3
We employ a fiber-based optical microcavity with high finesse to study the enhancement of phonon sideband fluorescence of nitrogen-vacancy centers in nanodiamonds. Harnessing the f…
Realization of an optomechanical interface between ultracold atoms and a membrane
Stephan Camerer, Maria Korppi, Andreas Jöckel +3
We have realized a hybrid optomechanical system by coupling ultracold atoms to a micromechanical membrane. The atoms are trapped in an optical lattice, which is formed by retro-ref…
Coupling ultracold atoms to mechanical oscillators
David Hunger, Stephan Camerer, Maria Korppi +3
In this article we discuss and compare different ways to engineer an interface between ultracold atoms and micro- and nanomechanical oscillators. We start by analyzing a direct mec…
Atom chip based generation of entanglement for quantum metrology
Max F. Riedel, Pascal Böhi, Yun Li +3
Atom chips provide a versatile `quantum laboratory on a microchip' for experiments with ultracold atomic gases. They have been used in experiments on diverse topics such as low-dim…
Resonant coupling of a Bose-Einstein condensate to a micromechanical oscillator
D. Hunger, S. Camerer, T. W. Haensch +4
We report experiments in which the vibrations of a micromechanical oscillator are coupled to the motion of Bose-condensed atoms in a trap. The interaction relies on surface forces…