Quantum computing with continuous-variable clusters

Gu, Mile, Weedbrook, Christian, Menicucci, Nicholas C., Ralph, Timothy C. and van Loock, Peter (2009) Quantum computing with continuous-variable clusters. Physical Review A (Atomic, Molecular and Optical Physics), 79 6: 062318.1-062318.16. doi:10.1103/PhysRevA.79.062318

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Author Gu, Mile
Weedbrook, Christian
Menicucci, Nicholas C.
Ralph, Timothy C.
van Loock, Peter
Title Quantum computing with continuous-variable clusters
Journal name Physical Review A (Atomic, Molecular and Optical Physics)   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 2009-06-17
Year available 2009
Sub-type Article (original research)
DOI 10.1103/PhysRevA.79.062318
Open Access Status File (Publisher version)
Volume 79
Issue 6
Start page 062318.1
End page 062318.16
Total pages 16
Place of publication College Park, MD, United States
Publisher American Physical Society
Language eng
Abstract Continuous-variable cluster states offer a potentially promising method of implementing a quantum computer. This paper extends and further refines theoretical foundations and protocols for experimental implementation. We give a cluster-state implementation of the cubic phase gate through photon detection, which, together with homodyne detection, facilitates universal quantum computation. In addition, we characterize the offline squeezed resources required to generate an arbitrary graph state through passive linear optics. Most significantly, we prove that there are universal states for which the offline squeezing per mode does not increase with the size of the cluster. Simple representations of continuous-variable graph states are introduced to analyze graph state transformations under measurement and the existence of universal continuous-variable resource states.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Optics
Physics
OPTICS
PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Article #062318

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
2010 Higher Education Research Data Collection
ERA 2012 Admin Only
 
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Citation counts: TR Web of Science Citation Count  Cited 105 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 113 times in Scopus Article | Citations
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Created: Thu, 03 Sep 2009, 17:49:50 EST by Mr Andrew Martlew on behalf of Physics