Preparation of arbitrary qutrit state based on biphotons

Yu. Bogdanov; M. Chekhova; S. Kulik; G. Maslennikov; C. H. Oh; M. K. Tey

doi:10.1117/12.620494

1 June 2005 Preparation of arbitrary qutrit state based on biphotons

Yu. Bogdanov, M. Chekhova, S. Kulik, G. Maslennikov, C. H. Oh, M. K. Tey

Proceedings Volume 5833, Quantum Informatics 2004; (2005) https://doi.org/10.1117/12.620494
Event: 18th International Conference on Photoelectronics and Night Vision Devices and Quantum Informatics 2004, 2004, Moscow, Russian Federation

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.

Citation Download Citation

Yu. Bogdanov, M. Chekhova, S. Kulik, G. Maslennikov, C. H. Oh, and M. K. Tey "Preparation of arbitrary qutrit state based on biphotons", Proc. SPIE 5833, Quantum Informatics 2004, (1 June 2005); https://doi.org/10.1117/12.620494

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