Stuttgart 2012 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 3: Präzisionsmessungen und Metrologie 1

Q 3.1: Vortrag

Montag, 12. März 2012, 10:30–10:45, V47.02

Detecting the single photon recoil of a single ion — •Cornelius Hempel1,2, Benjamin P. Lanyon1,2, René Gerritsma1,3, Petar Jurcevic1,2, Florian Zähringer1,2, Rainer Blatt1,2, and Christian F. Roos1,21Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Technikerstr. 21a, 6020 Innsbruck, Austria — 2Institut für Experimentalphysik, Universität Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria — 3Institut für Physik, Johannes Gutenberg-Universität Mainz, Staudingerweg 7, 55128 Mainz, Germany

I will report on our current work to measure the recoil due to a single photon scattering from a single ion. For this experiment two ions are loaded into a linear ion trap: one well characterized 'measurement' ion and one, possibly unknown, 'spectroscopy ion' on which the photon scattering event is to be detected. The photon recoil energy excites the common vibrational mode shared by both ions. In order to detect this extremely small vibration, we make use of a very sensitive highly non-classical motional state. Our technique could have interesting applications in performing spectroscopy of atoms or molecules at the single photon / single atom level.

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