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Experimental teleportation of quantum entanglement with an optimal linear optics Bell-state analyzer
Thomas Jennewein, Rupert Ursin, Markus Aspelmeyer +1
We demonstrate an experiment on entanglement swapping using an optimal Bell-state measurement capable of identifying two of the four Bell-states for polarization entangled photons,…
Space-to-ground quantum-communication using an optical ground station: a feasibility study
P. Villoresi, F. Tamburini, M. Aspelmeyer +6
We have tested the experimental prerequisites for a Space-to-Ground quantum communication link between satellites and an optical ground station. The feasibility of our ideas is bei…
A Novel Protocol-Authentication Algorithm Ruling Out a Man-in-the-Middle Attack in Quantum Cryptography
M. Peev, M. Nölle, O. Maurhardt +6
In this work we review the security vulnerability of Quantum Cryptography with respect to "man-in-the-middle attacks" and the standard authentication methods applied to counteract…
Practical Quantum Key Distribution with Polarization-Entangled Photons
A. Poppe, A. Fedrizzi, T. Loruenser +9
We present an entangled-state quantum cryptography system that operated for the first time in a real world application scenario. The full key generation protocol was performed in r…
Experimental Quantum Coin Tossing
G. Molina-Terriza, A. Vaziri, R. Ursin +1
In this letter we present the first implementation of a quantum coin tossing protocol. This protocol belongs to a class of ``two-party'' cryptographic problems, where the communica…