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

  1. 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


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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