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- Title
Entanglement preparation using symmetric multiports.
- Authors
Brougham, T.; Košták, V.; Jex, I.; Andersson, E.; Kiss, T.
- Abstract
We investigate the entanglement produced by a multi-path interferometer that is composed of two symmetric multiports, with phase shifts applied to the output of the first multiport. Particular attention is paid to the case when we have a single photon entering the interferometer. For this situation we derive a simple condition that characterizes the types of entanglement that one can generate. We then show how one can use the results from the single-photon case to determine what kinds of multi-photon entangled states one can prepare using the interferometer.
- Subjects
INTERFEROMETERS; PHOTONS; QUANTUM theory; BEAM splitters; QUANTUM optics; FOURIER transforms; PROBABILITY theory; NUMERICAL solutions to equations
- Publication
European Physical Journal D (EPJ D), 2011, Vol 61, Issue 1, p231
- ISSN
1434-6060
- Publication type
Article
- DOI
10.1140/epjd/e2010-10337-2