Error models for mode mismatch in linear optics quantum computing

Ralph, Timothy C. and Rohde, Peter P. (2006) Error models for mode mismatch in linear optics quantum computing. Physical Review A, 73 6: 062312-1-062312-6. doi:10.1103/PhysRevA.73.062312

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Author Ralph, Timothy C.
Rohde, Peter P.
Title Error models for mode mismatch in linear optics quantum computing
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
Publication date 2006
Sub-type Article (original research)
DOI 10.1103/PhysRevA.73.062312
Open Access Status File (Publisher version)
Volume 73
Issue 6
Start page 062312-1
End page 062312-6
Total pages 6
Editor B. Crasemann
Place of publication United States
Publisher American Physical Society
Collection year 2006
Language eng
Subject C1
240402 Quantum Optics and Lasers
780102 Physical sciences
Abstract One of the most significant challenges facing the development of linear optics quantum computing (LOQC) is mode mismatch, whereby photon distinguishability is introduced within circuits, undermining quantum interference effects. We examine the effects of mode mismatch on the parity (or fusion) gate, the fundamental building block in several recent LOQC schemes. We derive simple error models for the effects of mode mismatch on its operation, and relate these error models to current fault-tolerant-threshold estimates.
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 09:50:24 EST