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A posteriori teleportation

Braunstein, Samuel L. and Kimble, H. J. (1998) A posteriori teleportation. Nature, 394 (6696). pp. 840-841. ISSN 0028-0836. doi:10.1038/29674.

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The article by Bouwmeester et al. on experimental quantum teleportation constitutes an important advance in the burgeoning field of quantum information. The experiment was motivated by the proposal of Bennett et al. in which an unknown quantum state is 'teleported' by Alice to Bob. As illustrated in Fig. 1, in the implementation of this procedure by Bouwmeester et al., an input quantum state is 'disembodied' into quantum and classical components, as in the original protocol. However, in contrast to the original scheme, Bouwmeester et al.'s procedure necessarily destroys the state at Bob's receiving terminal, so a 'teleported' state can never emerge as a freely propagating state for subsequent examination or exploitation. In fact, teleportation is achieved only as a postdiction.

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Additional Information:© 1998 Macmillan Publishers Ltd.
Issue or Number:6696
Record Number:CaltechAUTHORS:20150616-135206341
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Official Citation:Braunstein, S., Kimble, H. A posteriori teleportation. Nature 394, 840–841 (1998).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58286
Deposited By: Tony Diaz
Deposited On:16 Jun 2015 21:55
Last Modified:10 Nov 2021 22:02

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