Bulletin of the American Physical Society
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 67, Number 7
Monday–Friday, May 30–June 3 2022; Orlando, Florida
Session F01: Poster Session I (4:30-6:30pm, EDT)
4:30 PM,
Tuesday, May 31, 2022
Room: Grand Ballroom C
Abstract: F01.00038 : A modular trapped ion node for long distance quantum networking
Presenter:
Michael Kwan
(University of Maryland, College Park)
Authors:
Michael Kwan
(University of Maryland, College Park)
James Siverns
(University of Maryland, College Park)
Edo Waks
(University of Maryland, College Park)
Trapped ions are prime candidates for nodes of a quantum network. A short distance network with two trapped ion-based nodes has previously been demonstrated [1]. However, due to high in-fiber photon loss experienced between the networking nodes, this internode distance has yet to increase. Recent work demonstrating quantum frequency conversion of photons emitted from a single trapped ion system to the near-infrared and telecom bands reduces these in-fiber losses, opening a pathway to extend trapped ion-based networking ranges [2,3,4]. Here, we report our progress towards constructing a modular quantum networking node using a commercially packaged, high optical access surface electrode trap with barium ions. Our node incorporates qubit control and the required quantum frequency conversion to extend a trapped ion-based network from meters to tens of kilometers.
[1] Stephenson, L. J. et al. Phys. Rev. Lett. 124, 110501 (2020)
[2] Bock, M. et al. Nat. Commun. 9:1998 (2018)
[3] Craddock, A. N. et al. Phys. Rev. Lett. 123, 213601 (2019)
[4] Krutyanskiy, V. et al.. npj Quantum Information 5:72 (2019)
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