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Hybrid quantum computing with ancillas

Proctor, Timothy J.; Kendon, Viv

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Authors

Timothy J. Proctor



Abstract

In the quest to build a practical quantum computer, it is important to use efficient schemes for enacting the elementary quantum operations from which quantum computer programs are constructed. The opposing requirements of well-protected quantum data and fast quantum operations must be balanced to maintain the integrity of the quantum information throughout the computation. One important approach to quantum operations is to use an extra quantum system – an ancilla – to interact with the quantum data register. Ancillas can mediate interactions between separated quantum registers, and by using fresh ancillas for each quantum operation, data integrity can be preserved for longer. This review provides an overview of the basic concepts of the gate model quantum computer architecture, including the different possible forms of information encodings – from base two up to continuous variables – and a more detailed description of how the main types of ancilla-mediated quantum operations provide efficient quantum gates.

Citation

Proctor, T. J., & Kendon, V. (2016). Hybrid quantum computing with ancillas. Contemporary Physics, 57(4), 459-476. https://doi.org/10.1080/00107514.2016.1152700

Journal Article Type Article
Acceptance Date Feb 8, 2016
Online Publication Date Mar 15, 2016
Publication Date Mar 15, 2016
Deposit Date Jul 23, 2018
Publicly Available Date Mar 28, 2024
Journal Contemporary Physics
Print ISSN 0010-7514
Electronic ISSN 1366-5812
Publisher Taylor and Francis Group
Peer Reviewed Peer Reviewed
Volume 57
Issue 4
Pages 459-476
DOI https://doi.org/10.1080/00107514.2016.1152700

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