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Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 32: Quantum Information: Atoms and Ions II

Q 32.7: Talk

Wednesday, March 10, 2010, 15:30–15:45, E 214

Quantum Optics Experiments in a Segmented Microchip Ion Trap — •Ulrich Poschinger, Gerhard Huber, Andreas Walther, Max Hettrich, Markus Deiss, Frank Ziesel, Kilian Singer, and Ferdinand Schmidt-Kaler — Institut für Quanteninfarmationsverarbeitung, Universität Ulm, Albert-Einstein-Allee 11, 89069 Ulm

We present recent results from our experiment aiming at scalable quantum simulation and information. We first show how a qubit is implemented by using the Zeeman split groundstate levels of a 40Ca+ ion. Emphasis is put on how the challenging conditions in our microtrap [1] compared to standard traps affect readout, ground state cooling and coherent manipulations [2]. We then present first experiments based on these techniques, including coherent manipulations on two-ion crystals, implementation of spin-dependent and spin-independent light forces, creation and characterization of Schrödinger cat states and quantum state tomography.
S. Schulz et al., New Journal of Physics 10, 045007(2008)
U. G. Poschinger et al., J. Phys. B 42, 154013 (2009)

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