Abstract
We experimentally demonstrate a protocol for entanglement distribution by a separable quantum system. In our experiment, two spatially separated modes of an electromagnetic field get entangled by local operations, classical communication, and transmission of a correlated but separable mode between them. This highlights the utility of quantum correlations beyond entanglement for the establishment of a fundamental quantum information resource and verifies that its distribution by a dual classical and separable quantum communication is possible.
- Received 25 June 2013
DOI:https://doi.org/10.1103/PhysRevLett.111.230506
© 2013 American Physical Society
Viewpoint
Sharing Entanglement without Sending It
Published 4 December 2013
Three new experiments demonstrate how entanglement can be shared between distant parties without the need of an entangled carrier.
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