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Proceedings Paper

Push-button generation of multiphoton entanglement
Author(s): Yuan Liang Lim; Almut Beige
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Paper Abstract

Photon entanglement is an essential ingredient for linear optics quantum computing schemes, quantum cryptographic protocols and fundamental tests of quantum mechanics. Here we describe a setup that allows for the generation of polarisation-entangled N-photon states on demand. The photons are obtained by mapping the entangled state of N atoms, each of them trapped inside an optical cavity, onto the free radiation field. The required initial state can be prepared by performing postselective measurements on the collective emission from the cavities through a multiport beamsplitter.

Paper Details

Date Published: 24 August 2004
PDF: 9 pages
Proc. SPIE 5436, Quantum Information and Computation II, (24 August 2004); doi: 10.1117/12.540981
Show Author Affiliations
Yuan Liang Lim, Imperial College London (United Kingdom)
Almut Beige, Univ. of Cambridge (United Kingdom)
Imperial College London (United Kingdom)

Published in SPIE Proceedings Vol. 5436:
Quantum Information and Computation II
Eric Donkor; Andrew R. Pirich; Howard E. Brandt, Editor(s)

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