Silicon-chip generation of multiplexed telecom-wavelength entangled photons pairs

Michele Traetta; Michele Traetta; Marco Bentivegna; Florian Kaiser; Djeylan Aktas; Weiwei Zhang; Carlos Alonso Ramos; Lutfi-Arif Bin-Ngah; Florent Mazeas; Tommaso Lunghi; Xavier Le Roux; Éric Cassan; Delphine Marris-Morini; Laurent Vivien; Laurent Labonté; Sébastien Tanzilli

doi:10.1364/CLEO_QELS.2016.FM2N.4

Conference on Lasers and Electro-Optics
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper FM2N.4
•https://doi.org/10.1364/CLEO_QELS.2016.FM2N.4

Silicon-chip generation of multiplexed telecom-wavelength entangled photons pairs

Michele Traetta, Marco Bentivegna, Florian Kaiser, Djeylan Aktas, Weiwei Zhang, Carlos Alonso Ramos, Lutfi-Arif Bin-Ngah, Florent Mazeas, Tommaso Lunghi, Xavier Le Roux, Éric Cassan, Delphine Marris-Morini, Laurent Vivien, Laurent Labonté, and Sébastien Tanzilli

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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M. Traetta, M. Bentivegna, F. Kaiser, D. Aktas, W. Zhang, C. A. Ramos, L. Bin-Ngah, F. Mazeas, T. Lunghi, X. Le Roux, É. Cassan, D. Marris-Morini, L. Vivien, L. Labonté, and S. Tanzilli, "Silicon-chip generation of multiplexed telecom-wavelength entangled photons pairs," in Conference on Lasers and Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper FM2N.4.

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Abstract

We report the fully telecom compliant generation of photon pairs on a silicon micro-ring resonator chip. The ring cavity is designed such as to demultiplex the emitted frequency-comb like spectrum using standard off-the-shelves telecom 100 GHz dense wavelength division multiplexers (DWDM). We measure energy-time entanglement in different channel pairs with raw visibilities exceeding 97%, which paves the way for silicon photonics based quantum key distribution (QKD) with either increased bit rates, or more users.

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