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Proceedings Article

Preparation of arbitrary qutrit state based on biphotons

[+] Author Affiliations
Yu. Bogdanov

FTIAN (Russia)

M. Chekhova, S. Kulik, G. Maslennikov

M.V. Lomonosov Moscow State Univ. (Russia)

C. H. Oh, M. K. Tey

National Univ. of Singapore (Singapore)

Proc. SPIE 5833, Quantum Informatics 2004, 202 (July 28, 2005); doi:10.1117/12.620494
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From Conference Volume 5833

  • Quantum Informatics 2004
  • Yuri I. Ozhigov
  • Moscow, Russia | January 10, 2004

abstract

The novel experimental realization of three-state optical quantum systems is presented. We use the polarization state of biphotons in single frequency- and spatial mode to generate an arbitrary qutrits. In particular the specific sequence of states that are used in the extended version of BB84 quantum key distribution protocol was generated and tested. We experimentally verify the orthogonality of the 12 basic states and demonstrate the ability of switching between them. The tomography procedure is applied to reconstruct the density matrices of generated states.

© (2005) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Yu. Bogdanov ; M. Chekhova ; S. Kulik ; G. Maslennikov ; C. H. Oh, et al.
"Preparation of arbitrary qutrit state based on biphotons", Proc. SPIE 5833, Quantum Informatics 2004, 202 (July 28, 2005); doi:10.1117/12.620494; http://dx.doi.org/10.1117/12.620494


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