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Hannover 2010 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 40: Quantum Information: Quantum Computing

Q 40.4: Talk

Wednesday, March 10, 2010, 17:15–17:30, F 128

Efficient manipulation of quantum systems via optimal control techniques — •Robert Fisher1, Thomas Schulte-Herbrüggen1, Christof Wunderlich2, Fedor Jelezko3, Jörg Wrachtrup3, and Steffen Glaser11Department Chemie, Technische Universität München, Germany — 2Fachbereich Physik, Universität Siegen, Germany — 33 Physikalisches Institut, Universität Stuttgart, Germany

We apply optimal control to the design of experiments in quantum information processing. By explicitly accounting for the experimental constraints of addressability and robustness, optimal control techniques allow for the implementation of a broader, more complex class of operations, making new experiments possible. As examples, we consider the implementation of Deutsch and Grover algorithms on two coupled 13C spins at an NV center in diamond, and the preparation of multi-qubit cluster states in a system of trapped ions with a non-ideal coupling topology.

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