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Erlangen 2018 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 62: Poster: Quantum Optics and Photonics V

Q 62.64: Poster

Thursday, March 8, 2018, 16:15–18:15, Redoutensaal

High- quality- fiber- based microcavity for SiV color centers in diamond. — •Richard Waltrich1, Stefan Häussler1, Kerem Bray2, Fedor Jelezko1, Igor Aharonovich2, and Alexander Kubanek11Institute for Quantum Optics and Center for Integrated Science and Technology, Ulm University, D-89081 Ulm, Germany — 2School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, New South Wales 2007, Australia

For the realization of quantum repeaters, coherent systems are essential. In the last decades, defects in diamond, especially the negatively charged silicon vacancy center (SiV), drew attention due to exceptional optical properties. To overcome issues concerning low rates of spontaneous emitted photons, poor extraction efficiency out of the diamond material, as well as low quantum yield, coupling of the relevant optical dipole transition to the mode of a microcavity is one possibility.

We present a system, consisting of SiV centers, located in a thin diamond membrane, coupled to a fiber based microcavity. We aim for enhanced spontaneous emission rates, due to the Purcell effect.

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