News and Views
Nature Physics 4, 268 - 269 (2008)
doi:10.1038/nphys927
Subject Categories: Quantum physics | Information theory and computation | Optical physics
Hyperentanglement: Breaking the communication barrier
Stephen P. Walborn1
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Stephen P. Walbornis is in the Instituto de Física, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, Rio de Janeiro, RJ 21941-972, Brazil.
e-mail: swalborn@if.ufrj.br
Abstract
Quantum mechanics provides the means for solving certain communication tasks more efficiently than is possible classically. Photons entangled in multiple degrees of freedom could provide a route to fully tap that potential.
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