Near-infrared single-photons from aligned molecules in ultrathin crystalline 
films at room temperature

Toninelli, C.; Early, K.; Bremi, J.; Renn, A.; Götzinger, Stephan; Sandoghdar, Vahid

doi:10.1364/OE.18.006577

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Near-infrared single-photons from aligned molecules in ultrathin crystalline films at room temperature

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Toninelli, C., Early, K., Bremi, J., Renn, A., Götzinger, S., & Sandoghdar, V. (2010). Near-infrared single-photons from aligned molecules in ultrathin crystalline films at room temperature. Optics Express, 18, 6577-6582. doi:10.1364/OE.18.006577.

Cite as: https://hdl.handle.net/21.11116/0000-0002-9A2D-F

Abstract

We investigate the optical properties of Dibenzoterrylene (DBT) molecules in a spin-coated crystalline film of anthracence. By performing single molecule studies, we show that the dipole moments of the DBT molecules are oriented parallel to the plane of the film. Despite a film thickness of only 20 nm, we observe an exceptional photostability at room temperature and photon count rates around 10 6 per second from a single molecule. These properties together with an emission wavelength around 800 nm make this system attractive for applications in nanophotonics and quantum optics. (C) 2010 Optical Society of America