Generation of time-domain-multiplexed two-dimensional cluster state

Author:

Asavanant Warit1ORCID,Shiozawa Yu1ORCID,Yokoyama Shota2ORCID,Charoensombutamon Baramee1ORCID,Emura Hiroki1ORCID,Alexander Rafael N.3ORCID,Takeda Shuntaro14ORCID,Yoshikawa Jun-ichi1ORCID,Menicucci Nicolas C.5ORCID,Yonezawa Hidehiro2ORCID,Furusawa Akira1ORCID

Affiliation:

1. Department of Applied Physics, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan.

2. Centre for Quantum Computation and Communication Technology, School of Engineering and Information Technology, University of New South Wales, Canberra, ACT 2600, Australia.

3. Center for Quantum Information and Control, University of New Mexico, MSC07-4220, Albuquerque, NM 87131-0001, USA.

4. Institute of Engineering Innovation, School of Engineering, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan.

5. Centre for Quantum Computation and Communication Technology, School of Science, RMIT University, Melbourne, Victoria 3001, Australia.

Abstract

Generating large-scale cluster states The development of a practical quantum computer requires universality, scalability, and fault tolerance. Although much progress is being made in circuit platforms in which arrays of qubits are addressed and manipulated individually, scale-up of such systems is experimentally challenging. Asavanant et al. and Larsen et al. explore an alternative route: measurement-based quantum computation, which is a platform based on the generation of large-scale cluster states. As these are optically prepared and easier to handle (one simply performs local measurements on each individual component of the cluster state), such a platform is readily scalable and fault tolerant. The topology of the cluster state ensures that the approach meets the requirements for quantum computation. Science , this issue p. 373 , p. 369

Funder

National Science Foundation

Japan Society for the Promotion of Science

JSPS KAKENHI

Australian Research Council Centre of Excellence for Quantum Computation and Communication Technology

UTokyo Foundation

Nichia Corporation

Advanced Leading Graduate Course for Photon Science

Program of Excellence in Photon Science

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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