Experimental quantum "Guess my Number" protocol using multiphoton entanglement

Details Experimental quantum "Guess my Number" protocol using multiphoton entanglement Experimental quantum "Guess my Number" protocol using multiphoton entanglement

2007-02-06

arxiv.org/abs/quant-ph/0702045v1

Phys. Rev. A 75, 022302 (2007)

Physics

Quantum Physics

4 pages, 2 figures

Scientific paper

10.1103/PhysRevA.75.022302

We present an experimental demonstration of a modified version of the entanglement-assisted "Guess my Number" protocol for the reduction of communication complexity among three separated parties. The results of experimental measurements imply that the separated parties can compute a function of distributed inputs by exchanging less classical information than by using any classical strategy. And the results also demonstrate the advantages of entanglement-enhanced communication, which is very close to quantum communication. The advantages are based on the properties of Greenberger-Horne-Zeilinger states.

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