Robust multi-partite multi-level quantum protocols


We present two three-level tripartite state quantum protocols. Utilization of the entangled mixed state shared between any two parties for quantum key distribution is shown. The realization using photon orbital angular momentum is discussed. 


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@article{Nihira2005RobustMM, title={Robust multi-partite multi-level quantum protocols}, author={Hiroshi Nihira and C. R. Stroud}, journal={2005 Quantum Electronics and Laser Science Conference}, year={2005}, volume={1}, pages={13-15 Vol. 1} }