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Q: Fachverband Quantenoptik und Photonik
Q 42: Poster III
Q 42.20: Poster
Mittwoch, 8. März 2023, 16:30–19:00, Empore Lichthof
Development of a stable, compact and cost-effective laser light source for resonant control of tin-vacancy color centres — •Franziska Marie Herrmann1, Joseph Hugh Deakin Munns1, Cem Güney Torun1, and Tim Schröder1,2 — 1Integrated Quantum Photonics, Institut für Physik, Humboldt-Universität zu Berlin — 2Diamond Nanophotonics, Ferdinand-Braun-Institut, Berlin
Tin-vacancy colour centres in diamond are promising candidates for nodes in quantum networks, due to their suitable optical and spin properties. However, with a zero phonon line wavelength of 619 nm, resonant excitation cannot be achieved easily by commercially available and affordable laser systems. At 1238 nm however, narrowband lasers are commercially available and the targeted 619 nm can be reached by frequency doubling. Here we introduce a stable and cost-effective lasersystem relying on second harmonic generation for resonant quantum control of tin vacancy centres, describe the stabilization measures taken and demonstrate the functionality of the system by driving all-optical rabi oscillations.