Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 35: Poster 2

Q 35.49: Poster

Mittwoch, 14. März 2012, 16:30–19:00, Poster.I+II

Two photon interference for quantum networking between independent atom-cavity systems — •Andreas Neuzner, Christian Nölleke, Carolin Hahn, Andreas Reiserer, Eden Figueroa, Stephan Ritter, and Gerhard Rempe — MPI für Quantenoptik, Hans-Kopfermann-Str. 1, 85748 Garching

We experimentally demonstrate quantum interference of two photons generated by two atom-cavity systems 21m apart. The photons are generated via a vacuum-stimulated Raman adiabatic passage (vSTIRAP) on two trapped single atoms. The temporal length of the generated photon wave packet exceeds the duration of a single-photon detection event by several orders of magnitude. Therefore we are able to resolve the arrival time of each individual photon within the distribution given by the wave packet envelope. This allows us to gain detailed insight into the interference process.

Polarization-sensitive detection of the photons in combination with our ability to create atom-photon entanglement can be used to exploit two-photon interference for quantum teleportation. We will discuss our progress towards quantum teleportation from one atom onto the other.

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DPG-Physik > DPG-Verhandlungen > 2012 > Stuttgart