Universal quantum computation with temporal-mode bilayer square lattices

Alexander, R, Yokoyama, S, Furusawa, A and Menicucci, N 2018, 'Universal quantum computation with temporal-mode bilayer square lattices', Physical Review A, vol. 97, no. 3, 032302, pp. 1-12.

Document type: Journal Article
Collection: Journal Articles

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Title Universal quantum computation with temporal-mode bilayer square lattices
Author(s) Alexander, R
Yokoyama, S
Furusawa, A
Menicucci, N
Year 2018
Journal name Physical Review A
Volume number 97
Issue number 3
Article Number 032302
Start page 1
End page 12
Total pages 12
Publisher American Physical Society
Abstract We propose an experimental design for universal continuous-variable quantum computation that incorporates recent innovations in linear-optics-based continuous-variable cluster state generation and cubic-phase gate teleportation. The first ingredient is a protocol for generating the bilayer-square-lattice cluster state (a universal resource state) with temporal modes of light. With this state, measurement-based implementation of Gaussian unitary gates requires only homodyne detection. Second, we describe a measurement device that implements an adaptive cubic-phase gate, up to a random phase-space displacement. It requires a two-step sequence of homodyne measurements and consumes a (non-Gaussian) cubic-phase state.
Subject Physical Sciences not elsewhere classified
DOI - identifier 10.1103/PhysRevA.97.032302
Copyright notice © 2018 American Physical Society
ISSN 1094-1622
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