An entanglement filter

R Okamoto; J.L O'Brien; HF Hofmann; T Nagata; K Sasaki; S Takeuchi

doi:10.1126/science.1167182

An entanglement filter

R Okamoto, J.L O'Brien, HF Hofmann, T Nagata, K Sasaki, S Takeuchi

Research output: Contribution to journal › Article (Academic Journal) › peer-review

69 Citations (Scopus)

Abstract

The ability to filter quantum states is a key capability in quantum information science and technology, in which one-qubit filters, or polarizers, have found wide application. Filtering on the basis of entanglement requires extension to multi-qubit filters with qubit-qubit interactions. We demonstrated an optical entanglement filter that passes a pair of photons if they have the desired correlations of their polarization. Such devices have many important applications to quantum technologies.

Translated title of the contribution	An entanglement filter
Original language	English
Pages (from-to)	483 - 485
Number of pages	3
Journal	Science
Volume	323
Issue number	5913
DOIs	https://doi.org/10.1126/science.1167182
Publication status	Published - Jan 2009

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Publisher: American Association for the Advancement of Science

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author = "R Okamoto and J.L O'Brien and HF Hofmann and T Nagata and K Sasaki and S Takeuchi",

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AU - O'Brien, J.L

AU - Hofmann, HF

AU - Nagata, T

AU - Sasaki, K

AU - Takeuchi, S

N1 - Publisher: American Association for the Advancement of Science

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AB - The ability to filter quantum states is a key capability in quantum information science and technology, in which one-qubit filters, or polarizers, have found wide application. Filtering on the basis of entanglement requires extension to multi-qubit filters with qubit-qubit interactions. We demonstrated an optical entanglement filter that passes a pair of photons if they have the desired correlations of their polarization. Such devices have many important applications to quantum technologies.

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U2 - 10.1126/science.1167182

DO - 10.1126/science.1167182

M3 - Article (Academic Journal)

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VL - 323

SP - 483

EP - 485

JO - Science

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An entanglement filter

Abstract

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