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SAMOP 2023 – wissenschaftliches Programm

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QI: Fachverband Quanteninformation

QI 14: Quantum Technologies: Color Centers II (joint session Q/QI)

QI 14.1: Vortrag

Dienstag, 7. März 2023, 11:00–11:15, F442

Purcell-Enhanced Emission from Individual SiV Center coupled to a Photonic Crystal Cavity — •Niklas Lettner1,2, Lukas Antoniuk1, Konstantin Fehler1,2, Anna P. Ovvyan3, Nico Gruhler3, Viatcheslav N. Agafonov4, Wolfram H.P. Pernice3, and Alexander Kubanek1,21Institute for Quantum Optics, Ulm University, Germany — 2Center for Integrated Quantum Science and Technology (IQst), Ulm University, Germany — 3Institute of Physics and Center for Nanotechnology, University of Münster, Germany — 4Universite F. Rabelais, 37200 Tours, France

The combination of classical integrated photonic structures with color centers in diamond, like the Silicon Vacancy (SiV) Center, offer a promising platform for on-chip quantum optics experiments. We functionalize classical silicon nitride photonic crystal cavities with SiV color centers in nanodiamonds in a hybrid approach. We show the experimental results coupling SiV centers efficiently to a photonic crystal cavity mode and the Purcell enhanced emission of individual SiV transitions [1]. By utilizing two mode coupling we achieved lifetimes of 460 ps [2].

[1] Fehler, Konstantin G., et al. Nanophotonics 9.11 (2020): 3655-3662.

[2] Fehler, Konstantin G., et al. ACS Photonics 8.9 (2021): 2635-2641.

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