09/09/2020

New methods to help quantum computers continue working after loss of qubits

ESQ Faculty Member Rainer Blatt and ESQ Fellow Martin Ringbauer, together with their colleagues at the University of Innsbruck and in collaboration with RWTH Aachen University and University of Bologna are presenting a method that allows quantum computers to continue working, even after they have lost some qubits. ( Nature 2020 doi: 10.1038/s41586-020-2667-0, [arXiv:2002.09532])

 

Qubits, the basic units and carriers of quantum information, are prone to errors, caused by undesired environmental interaction. When a qubit gets lost, the information in the remaining qubits becomes unreadable und unprotected. A team of physicists led by Rainer Blatt from the Department of Experimental Physics at the University of Innsbruck, in collaboration with theoretical physicists from Germany and Italy, has now developed and implemented advanced techniques that allow their trapped-ion quantum computer to adapt in real-time to loss of qubits and to maintain protection of the fragile stored quantum information.

For more information see https://www.uibk.ac.at/public-relations/presse/archiv/2020/1303/

 

 

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