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Proceedings Paper

Single-photon two-qubit entangled states: preparation and measurement
Author(s): Yoon-Ho Kim
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Paper Abstract

We report an experimental implementation of deterministic preparation and measurement of single-photon two-qubit entangled states, in which the polarization and the spatial modes of a single-photon each represent a quantum bit. It is demonstrated that all four single-photon two-qubit entangled states (Bell states) can be easily prepared and measured deterministically using linear optical elements alone. We also discuss how this scheme can be used for implementing recently proposed single-photon two-qubit quantum cryptography.

Paper Details

Date Published: 19 October 2004
PDF: 5 pages
Proc. SPIE 5551, Quantum Communications and Quantum Imaging II, (19 October 2004); doi: 10.1117/12.561343
Show Author Affiliations
Yoon-Ho Kim, Pohang Univ. of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 5551:
Quantum Communications and Quantum Imaging II
Ronald E. Meyers; Yanhua Shih, Editor(s)

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