Error models for mode mismatch in linear optics quantum computing

Peter P. Rohde*, Timothy C. Ralph

*Corresponding author for this work

Research output: Contribution to journalArticle

15 Citations (Scopus)

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.

Original languageEnglish
Article number062312
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume73
Issue number6
DOIs
Publication statusPublished - 2006

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