Teleportation Systems Toward a Quantum Internet

Creators: Valivarthi, Raju; Davis, Samantha I.; Peña, Cristián; Xie, Si; Lauk, Nikolai; Narváez, Lautaro; Allmaras, Jason P.; Beyer, Andrew D.; Gim, Yewon; Hussein, Meraj; Iskander, George; Kim, Hyunseong Linus; Korzh, Boris; Mueller, Andrew; Rominsky, Randy; Shaw, Matthew; Tang, Dawn; Wollman, Emma E.; Simon, Christoph; Spentzouris, Panagiotis; Oblak, Daniel; Sinclair, Neil; Spiropulu, Maria

Abstract

Quantum teleportation is essential for many quantum information technologies, including long-distance quantum networks. Using fiber-coupled devices, including state-of-the-art low-noise superconducting nanowire single-photon detectors and off-the-shelf optics, we achieve conditional quantum teleportation of time-bin qubits at the telecommunication wavelength of 1536.5 nm. We measure teleportation fidelities of ≥90% that are consistent with an analytical model of our system, which includes realistic imperfections. To demonstrate the compatibility of our setup with deployed quantum networks, we teleport qubits over 22 km of single-mode fiber while transmitting qubits over an additional 22 km of fiber. Our systems, which are compatible with emerging solid-state quantum devices, provide a realistic foundation for a high-fidelity quantum Internet with practical devices.

Additional Information

© 2020 Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Received 28 July 2020; accepted 16 October 2020; published 4 December 2020. R.V., N.L., L.N., C.P., N.S., M.S., and S.X. acknowledge partial and S.D. full support from the AQT IN-Q-NET research program. R.V., N.L., L.N., C.P., N.S., M.S. S.X., and A.M. acknowledge partial support from the U.S. Department of Energy, Office of Science, High Energy Physics, QuantISED program grant, under Award No. DE-SC0019219. A.M. is supported in part by the JPL President and Director's Research and Development Fund (PDRDF). C.P. further acknowledges partial support from Fermilab's Lederman Fellowship and Lab Directed R&D (LDRD). D.O. and N.S. acknowledge partial support from the Natural Sciences and Research Council of Canada (NSERC). D.O. further acknowledges the Canadian Foundation for Innovation, Alberta Innovates, and Alberta Economic Development, Trade and Tourism's Major Innovation Fund. J.A. acknowledges support by a NASA Space Technology Research Fellowship. Part of the research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration (80NM0018D0004). We thank Jason Trevor (Caltech Lauritsen Laboratory for High Energy Physics), Nigel Lockyer and Joseph Lykken (Fermilab), Vikas Anant (PhotonSpot), Aaron Miller (Quantum Opus), Inder Monga and his ESnet group at Lawrence Berkeley National Laboratory (LBNL), the groups of Wolfgang Tittel and Christoph Simon at the University of Calgary, the groups of Nick Hutzler, Oskar Painter, Andrei Faraon, Manuel Enders, and Alireza Marandi at Caltech, Marko Loncar's group at Harvard, Artur Apresyan and the HL-LHC USCMS-MTD Fermilab group; Marco Colangelo (MIT); Tian Zhong (Chicago); and AT&T's Soren Telfer, Rishi Pravahan, Igal Elbaz, Andre Feutch, and John Donovan. We acknowledge the enthusiastic support of the Kavli Foundation on funding quantum information science and technology (QIS&T) workshops and events and the Brinson Foundation support, especially for students working at FQNET and CQNET. M.S. is especially grateful to Norm Augustine (Lockheed Martin), Carl Williams (NIST), and Joe Broz (SRI, QED-C); Hartmut Neven (Google Venice); Amir Yacoby and Misha Lukin (Harvard); Ned Allen (Lockheed Martin); Larry James and Ed Chow (JPL); the Quantum Communication Channels for Fundamental Physics (QCCFP) wormhole-teleportation team, especially Daniel Jafferis (Harvard) and Alex Zlokapa (Caltech), Mark Kasevich (Stanford), Ronald Walsworth (Maryland), Jun Yeh and Sae Woo Nam (NIST); Irfan Siddiqi (Berkeley); Prem Kumar (Northwestern), Saikat Guha (Arizona), Paul Kwiat (UIUC), Mark Saffman (Wisconsin), Jelena Vuckovic (Stanford) Jack Hidary (former googleX), and the quantum networking teams at Oak Ridge National Laboratory (ORNL), Argonne National Laboratory (ANL), and Brookhaven National Laboratory (BNL), for productive discussions and interactions on quantum networks and communications.

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