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Published August 2019 | Accepted Version + Published
Journal Article Open

Nanophotonic Quantum Storage at Telecommunication Wavelength

Abstract

Quantum memories for light are important components for future long-distance quantum networks. We present on-chip quantum storage of telecommunication-band light at the single-photon level in an ensemble of erbium-167 ions in an yttrium orthosilicate photonic crystal nanobeam resonator. Storage times of up to 10 μ s are demonstrated with an all-optical atomic-frequency-comb protocol in a dilution refrigerator under a magnetic field of 380 mT. We show this quantum-storage platform to have high bandwidth, high fidelity, and multimode capacity, and we outline a path toward an efficient erbium-167 quantum memory for light.

Additional Information

© 2019 American Physical Society. Received 15 January 2019; revised manuscript received 24 June 2019; published 30 August 2019. This work was supported by Air Force Office of Scientific Research Young Investigator Award No. FA9550-15-1-0252, Air Force Office of Scientific Research Grant No. FA9550-18-1-0374, and the National Science Foundation (Grant No. EFRI 1741707). I.C. and J.R. acknowledge support from the Natural Sciences and Engineering Research Council of Canada (Grants No. PGSD2-502755-2017 and No. PGSD3-502844-2017). J.G.B. acknowledges support of the American Australian Association's Northrop Grumman Fellowship. N.S. acknowledges funding by the Alliance for Quantum Technologies' Intelligent Quantum Networks and Technologies research program.

Attached Files

Published - PhysRevApplied.12.024062.pdf

Accepted Version - 1904.08052.pdf

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August 19, 2023
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