Realization and Applications of Two-Node Quantum Networks

ORAL

Abstract

Silicon-vacancy (SiV) centers in diamond nanophotonic cavities are equipped with high-efficiency and high-fidelity spin-photon gates, as well as long-lived auxiliary memory qubits, which makes them a promising solid-state candidate for quantum network applications. We use a two-node quantum network of SiVs to generate remote entanglement, probing different entanglement generation protocols to increase entanglement rates. Having used this network to generate entanglement over a deployed metropolitan fiber, we explore quantum network applications enabled by the remote entanglement, including blind quantum computing and progress towards quantum memory-enhanced long-baseline interferometry.

*This work was supported by the National Science Foundation (NSF, grant no. PHY-2012023), NSF EFRI ACQUIRE (5710004174), CUA (PHY-2317134), AFOSR MURI (FA9550171002 and FA95501610323) and CQN (EEC-1941583). Devices were fabricated at the Harvard Center for Nanoscale Systems (NSF award no. 2025158).

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Presenters

  • Pieter-Jan Constant Stas

    • Harvard University

Authors

  • Pieter-Jan Constant Stas

    • Harvard University

  • Yan-Cheng Wei

    • Harvard University

  • Aziza Suleymanzade

    • Harvard University

  • Yan Qi Huan

    • Harvard University

  • Maxim Sirotin

    • Harvard University

  • Umut Yazlar

    • Harvard University

  • Francisca Abdo Arias

    • Harvard University

  • Gefen Baranes

    • Massachusetts Institute of Technology

  • Eugene Knyazev

    • Harvard University

  • Francisco Machado

    • Harvard - Smithsonian Center for Astrophysics

  • Johannes Borregaard

    • Harvard University
    • Department of Physics, Harvard University

  • Hongkun Park

    • Harvard University

  • Marko Loncar

    • Harvard University

  • Mikhail D Lukin

    • Harvard University