Roads towards fault-tolerant universal quantum computation

Earl T. Campbell, Barbara M. Terhal, Christophe Vuillot

Research output: Contribution to journalReview articleScientificpeer-review

102 Citations (Scopus)


A practical quantum computer must not merely store information, but also process it. To prevent errors introduced by noise from multiplying and spreading, a fault-tolerant computational architecture is required. Current experiments are taking the first steps toward noise-resilient logical qubits. But to convert these quantum devices from memories to processors, it is necessary to specify how a universal set of gates is performed on them. The leading proposals for doing so, such as magic-state distillation and colour-code techniques, have high resource demands. Alternative schemes, such as those that use high-dimensional quantum codes in a modular architecture, have potential benefits, but need to be explored further.

Original languageEnglish
Pages (from-to)172-179
Number of pages8
Issue number7671
Publication statusPublished - 13 Sep 2017
Externally publishedYes

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