The single photon emission of single molecules under cryogenic conditions can be extremely narrow-band (~15MHz), and represents the lifetime-limited linewidth of the electronic excited state (T1~10ns). Due to the solid state environment, a large amount of these photons might be collected into a confocal microscope. Therefore, a high flux (~1 Mio detected counts/sec) of anti-bunched single photons [1] can be used for further experiments. When appropriate molecules are selected, this photonic emission can be efficiently matched to an atomic transitions. A majority of the alkali atoms (Li, Na, K, Rb) can be optically interlinked with such photons and experiments with high flux single photons, matched to the narrow lines of a cold atomic vapor are possible.

© 2015 IEEE

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