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Quantum information processing with bosonic qubits in circuit QED

Joshi, Atharv and Noh, Kyungjoo and Gao, Yvonne Y. (2021) Quantum information processing with bosonic qubits in circuit QED. Quantum Science and Technology, 6 (3). Art. No. 033001. ISSN 2058-9565. https://resolver.caltech.edu/CaltechAUTHORS:20210423-164904490

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Abstract

The unique features of quantum theory offer a powerful new paradigm for information processing. Translating these mathematical abstractions into useful algorithms and applications requires quantum systems with significant complexity and sufficiently low error rates. Such quantum systems must be made from robust hardware that can coherently store, process, and extract the encoded information, as well as possess effective quantum error correction (QEC) protocols to detect and correct errors. Circuit quantum electrodynamics (cQED) provides a promising hardware platform for implementing robust quantum devices. In particular, bosonic encodings in cQED that use multi-photon states of superconducting cavities to encode information have shown success in realizing hardware-efficient QEC. Here, we review recent developments in the theory and implementation of QEC with bosonic codes and report the progress made toward realizing fault-tolerant quantum information processing with cQED devices.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1088/2058-9565/abe989DOIArticle
https://arxiv.org/abs/2008.13471arXivDiscussion Paper
ORCID:
AuthorORCID
Joshi, Atharv0000-0003-1445-2086
Noh, Kyungjoo0000-0002-6318-8472
Gao, Yvonne Y.0000-0002-6360-9679
Additional Information:© 2021 The Author(s). Published by IOP Publishing Ltd. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Received 1 September 2020. Revised 23 February 2021. Accepted 24 February 2021. Published 1 April 2021. The authors thank S M Girvin and L Sun for fruitful discussions and comments on the manuscript. Yvonne Y Gao acknowledges funding from the Singapore National Research Foundation Fellowship (Class of 2020). This work is also supported by the Ministry of Education in Singapore. Data availability statement. All data that support the findings of this study are included within the article (and any supplementary files).
Funders:
Funding AgencyGrant Number
National Research Foundation (Singapore)UNSPECIFIED
Ministry of Education (Singapore)UNSPECIFIED
Subject Keywords:bosonic qubits, quantum error correction, circuit QED, superconducting circuits, fault-tolerant quantum computation, quantum information science, bosonic QEC codes
Issue or Number:3
Record Number:CaltechAUTHORS:20210423-164904490
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210423-164904490
Official Citation:Atharv Joshi et al 2021 Quantum Sci. Technol. 6 033001
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:108844
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:29 Apr 2021 15:14
Last Modified:29 Apr 2021 15:14

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