Controlled Single-Photon Emission from a Single Trapped Two-Level Atom
  By illuminating an individual rubidium atom stored in a tight optical tweezer with short resonant light pulses, we create an efficient triggered source of single photons with a well-defined polarization. The measured intensity correlation of the emitted light pulses exhibits almost perfect antibunching. Such a source of high rate, fully controlled single photon pulses has many potential applications for quantum information processing. 
Benoit Darqui\'e (LCFIO), Matthew Jones (LCFIO), Jos Dingjan (LCFIO),   Jerome Beugnon (LCFIO), Silvia Bergamini (LCFIO), Yv...