Holography, vortices and qudits

Encoding quantum information in optical spatial modes

N. K. Langford*, R. B. Dalton, A. Gilchrist, J. L. O'Brien, G. J. Pryde, A. G. White, M. D. Harvey, S. D. Bartlett

*Corresponding author for this work

Research output: Contribution to journalArticle


Using quantum state tomography, we completely characterise entangled qubits and qutrits encoded in photons in different transverse spatial modes. We investigate using such entangled qutrits for quantum bit commitment, the basis of quantum coin flipping.

Original languageEnglish
Pages (from-to)535-536
Number of pages2
JournalOSA Trends in Optics and Photonics Series
Publication statusPublished - 2004
Externally publishedYes

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