New perspectives in generation and manipulation of hyperentangled states

G. Vallone; E. Pomarico; F. De Martini; P. Mataloni

doi:10.1117/12.732435

10 September 2007 New perspectives in generation and manipulation of hyperentangled states

G. Vallone, E. Pomarico, F. De Martini, P. Mataloni

Author Affiliations +

Proceedings Volume 6780, Quantum Communications Realized; 67800F (2007) https://doi.org/10.1117/12.732435
Event: Optics East, 2007, Boston, MA, United States

Abstract

Quantum states of two photons simultaneously entangled in polarization and linear momentum, namely hyper-entangled or cluster states, allow to operate in a larger Hilbert space, since we can associate four qubits to two photons. We describe how these states are generated, characterized and manipulated by linear optics technique. Some recent results verifying that the ratio between the quantum and classical prediction grows with the size of the Hilbert space are also presented in this work. Finally, we show the efficient realization of a C-NOT gate by using two photon cluster states operating in the one-way model of quantum computation.

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G. Vallone, E. Pomarico, F. De Martini, and P. Mataloni "New perspectives in generation and manipulation of hyperentangled states", Proc. SPIE 6780, Quantum Communications Realized, 67800F (10 September 2007); https://doi.org/10.1117/12.732435

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