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Hannover 2016 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 42: Poster: Quantum Optics and Photonics III

Q 42.10: Poster

Wednesday, March 2, 2016, 16:30–19:00, Empore Lichthof

Randomized Benchmarking on Ground State Qubits — •Michael Meth1, Philipp Schindler1, Martin van Mourik1, Matthias Brandl1, Anton Nolf1, Thomas Monz1, and Rainer Blatt1,21Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria — 2Institut für Quantenoptik und Quanteninformation, Akademie der Wissenschaften, Technikerstrasse 21a, 6020 Innsbruck, Austria

Quantum information processing using optical transitions in ions has been successful for many experiments. Alternatively, quantum information can also be encoded in ground states and processed by lasers driving Raman transitions. This leads to longer coherence times as laser frequency fluctuations have no effect. Here, we report on single qubit operations on ground state qubits in 40Ca+. We characterize the performance of single qubit operations using randomized benchmarking. In order to produce the required number of gates, a new FPGA based control system had to be implemented to allow for longer sequences.

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