Erlangen 2022 – wissenschaftliches Programm
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Q: Fachverband Quantenoptik und Photonik
Q 41: Nano-Optics
Q 41.8: Poster
Mittwoch, 16. März 2022, 16:30–18:30, P
Towards a cryogenic quasi-deterministic single-photon source — •Siwei Luo1, Luis Morales1, Michael Becker1, Jan Renger1, Tobias Utikal1, Vahid Sandoghdar1,2, and Stephan Götzinger2,1 — 1Max Planck Institute for the Science of Light, 91058 Erlangen, Germany — 2Friedrich-Alexander University Erlangen-Nürnberg, 91058 Erlangen, Germany
Highly efficient single-photon sources are key elements for many applications in emerging quantum technologies. Our strategy to realize a quasi-deterministic single-photon source relies on the combination of a metallo-dielectric antenna and single molecules at cryogenic temperature. Theoretical calculations predict a near-unity photon collection efficiency, larger than 99% for an arbitrarily oriented emitter. However, this concept so far has only been verified at room temperature [1]. Our new antenna design, compatible with a cryogenic environment, comprises molecules in a crystalline matrix which are sandwiched between a solid immersion lens and a reflective metal layer. We will showcase our latest results on single molecules embedded in these new antenna structures.
[1] X.-L. Chu et al., Nature Photonics 11, 58 (2017).