Hannover 2010 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 21: Poster I
Q 21.43: Poster
Tuesday, March 9, 2010, 16:00–19:00, Lichthof
Error Suppression in a Quantum Register with Non-ideal Controls — •Pavel Bažant1, Oliver Kern2, Gernot Alber2, and Igor Jex1 — 1Department of Physics, FNSPE at Czech Techical University, Prague, Czech Republic — 2Institut für Angewandte Physik, TU Darmstadt, Germany
Unwanted interactions among qubits in a quantum register can be effectively suppressed by means of external control operations. However, if the control is non-ideal, it acts as an additional error source. We show that if this additional error remains constant among different applications of the same control operation, it can be suppressed together with the interqubit interactions.