Erlangen 2018 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 62: Poster: Quantum Optics and Photonics V

Q 62.67: Poster

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

Coupling Silicon Vacancy centers in nanodiamond to open acess micro cavities — Andrea Filipovski, •Gregor Bayer, Olaf Zimmermann, and Alexander Kubanek — Institute for Quantum Optics, University of Ulm, Ulm, Germany

For applications such as quantum repeaters or quantum networks efficient spin-photon links are required. One promising system is the negatively charged silicon vacancy (SiV⁻) center in diamond which has shown to preserve its good optical properties from bulk in nanodiamonds [1,2]. In order to achieve good coupling between photon field and emitter an optical resonator produced by focussed ion beam milling can be employed. Optimizing the ratio of quality factor over mode volume Q/V is desirable for largest coupling. In our attempt we keep V as small as possible while sustaining a reasonably high Q . Open Fabry-Pérot cavities are particularly attractive since they are tunable and compatible with various emitters. This allows us to examine the interaction between photons and SiV⁻ centers in nanodiamonds and investigate coupling at cryogenic temperatures.

[1] U. Jantzen et. al., NJP, Vol. 18, 2016 [2] Rogers et. al., in preparation