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

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

2010-02-04

arxiv.org/abs/1002.0920v1

Physics

Quantum Physics

Scientific paper

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 one million 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.

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