Realization of a photonic controlled-NOT gate sufficient for quantum computation

We report the first experimental demonstration of a quantum controlled-NOT gate for different photons, which is classically feed forwardable. In the experiment, we achieved this goal with only the use of linear optics, an entangled ancillary pair of photons, and postselection. The techniques develop...

Full description

Saved in:
Bibliographic Details
Published in:Physical review letters 2004-07, Vol.93 (2), p.020504.1-020504.4, Article 020504
Main Authors: GASPARONI, Sara, PAN, Jian-Wei, WALTHER, Philip, RUDOLPH, Terry, ZEILINGER, Anton
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Optics
Physics
Quantum computation
Quantum information
Quantum optics
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:We report the first experimental demonstration of a quantum controlled-NOT gate for different photons, which is classically feed forwardable. In the experiment, we achieved this goal with only the use of linear optics, an entangled ancillary pair of photons, and postselection. The techniques developed in our experiment are of significant importance for quantum information processing with linear optics.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.93.020504