Entangled photon triplets

We demonstrate entangled photon triplets from cascaded downconversion. First, we establish the presence of tripartite energy-time entanglement using a new entanglement criterion. Then we show a new source of three photon polarization GHZ states, verifying its quality with an entanglement witness.

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Bibliographic Details
Main Authors: Hamel, Deny R., Shalm, Lynden K., Huubel, Hannes, Yan, Zhizhong, Simon, Christoph, Resch, Kevin J., Jennewein, Thomas
Format: Conference Proceeding
Language:English
Subjects:
Crystals
Educational institutions
Photonics
Quantum computing
Quantum entanglement
Uncertainty
Online Access:Request full text
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Description
Summary:We demonstrate entangled photon triplets from cascaded downconversion. First, we establish the presence of tripartite energy-time entanglement using a new entanglement criterion. Then we show a new source of three photon polarization GHZ states, verifying its quality with an entanglement witness.
ISSN:2160-8989
DOI:10.1364/CLEO_QELS.2013.QTh3C.7