Efficient classical simulation of optical quantum information circuits

Stephen D. Bartlett, Barry C. Sanders

Research output: Contribution to journalArticle

48 Citations (Scopus)
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Abstract

We identify a broad class of physical processes in an optical quantum circuit that can be efficiently simulated on a classical computer: this class includes unitary transformations, amplification, noise, and measurements. This simulatability result places powerful constraints on the capability to realize exponential quantum speedups as well as on inducing an optical nonlinear transformation via linear optics, photodetection-based measurement, and classical feedforward of measurement results, optimal cloning, and a wide range of other processes.
Original languageEnglish
Pages (from-to)207903-1-207903-4
Number of pages4
JournalPhysical Review Letters
Volume89
Issue number20
DOIs
Publication statusPublished - 2002

Bibliographical note

Copyright 2002 by The American Physical Society. Reprinted from Physical review letters.

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