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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Photon statistics of a non-stationary periodically driven single-photon source

Focus on Single Photons on Demand

M Hennrich, T Legero, A Kuhn and G Rempe

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Part of Focus on Single Photons on Demand

We investigate the photon statistics of a single-photon source that operates under non-stationary conditions. The photons are emitted by shining a periodic sequence of laser pulses on single atoms falling randomly through a high-finesse optical cavity. Strong antibunching is found in the intensity correlation of the emitted light, demonstrating that a single atom emits photons one at a time. However, the number of atoms interacting with the cavity follows a Poissonian statistics so that, on average, no sub-Poissonian photon statistics is obtained, unless the measurement is conditioned on the presence of single atoms.


PACS

42.50.Ar Photon statistics and coherence theory

79.60.-i Photoemission and photoelectron spectra

42.72.-g Optical sources and standards

42.50.Pq Cavity quantum electrodynamics; micromasers

32.80.-t Photoionization and excitation

Subjects

Atomic and molecular physics

Condensed matter: electrical, magnetic and optical

Optics, quantum optics and lasers

Dates

Issue 1 (July 2004)

Received 18 February 2004

Published 29 July 2004



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