Heidelberg 2015 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 15: Poster: Quantum Optics and Photonics I

Q 15.89: Poster

Monday, March 23, 2015, 17:00–19:00, C/Foyer

Tailoring single photons via heralding — •Valentin Averchenko, Michael Förtsch, Christoph Marquardt, Markus Sondermann, Andrea Aiello, and Gerd Leuchs — Max-Planck-Institut fur die Physik des Lichts, Gunther-Scharowsky-Str. 1 Bau 24, 91058 Erlangen, Germany

In this work we develop a shaping method that uses intrinsic temporal/spectral quantum correlations (entanglement) of photon pairs produced in the parametric down-conversion process. Then, in contrast to the direct photon filtering, shaped photon is generated in a heralded way, been conditioned on the detection of its twin. We build corresponding theory and make parameter estimations. The work brings together two state-of the art experiments currently running in MPL: light-atom coupling in a free space and the single-photon generation in a whispering gallery mode resonator.