NEW DATE and TIME: Dieter Suter: Towards reliable quantum computing: Protecting quantum information against environmental noise and experimental imperfectionsExport this event to calendar

Thursday, October 2, 2014 — 3:00 PM to 4:00 PM EDT

Dieter Suter, Universität Dortmund

Quantum information is a very valuable, but also very fragile resource.
Accordingly, protecting it against environmental noise remains one of the biggest challenges on the road to scalable quantum computing. Another challenge is the effect of experimental imperfections, which also degrade the fidelity of the quantum information. A number of techniques have been designed to fight these problems and extend the lifetime of quantum coherence. Protection schemes can be passive, by storing information in those parts of Hilbert space that are least affected by environmental noise, or active, by applying control operations that average the environmental perturbations to zero. The control operations have to be robust, such that the resulting operations are insensitive to the unavoidable experimental imperfections of the control fields. The talk will highlight some of these approaches and illustrate them with examples from different qubit systems.

Location 
QNC - Quantum Nano Centre
1201
200 University Avenue West

Waterloo, ON N2L 3G1
Canada

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