On-chip Generation of Four-Photon Entangled Qubit States

Christian Reimer; Michael Kues; Piotr Roztocki; Lucia Caspani; Lucia Caspani; Yaron Bromberg; Benjamin Wetzel; Brent E. Little; Sai T. Chu; David J. Moss; David J. Moss; Roberto Morandotti

doi:10.1364/CLEO_QELS.2016.FM2N.1

Conference on Lasers and Electro-Optics
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper FM2N.1
•https://doi.org/10.1364/CLEO_QELS.2016.FM2N.1

On-chip Generation of Four-Photon Entangled Qubit States

Christian Reimer, Michael Kues, Piotr Roztocki, Lucia Caspani, Yaron Bromberg, Benjamin Wetzel, Brent E. Little, Sai T. Chu, David J. Moss, and Roberto Morandotti

CLEO: QELS_Fundamental Science 2016

San Jose, California United States
5–10 June 2016
ISBN: 978-1-943580-11-8

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Quantum Entanglement I (FM2N)

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C. Reimer, M. Kues, P. Roztocki, L. Caspani, Y. Bromberg, B. Wetzel, B. E. Little, S. T. Chu, D. J. Moss, and R. Morandotti, "On-chip Generation of Four-Photon Entangled Qubit States," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper FM2N.1.

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Abstract

We demonstrate four-photon entangled qubits generated from an integrated quantum frequency comb source. This is confirmed by four-photon quantum interference with a visibility above 89%, and quantum state tomography revealing a fidelity above 64%.

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