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Spatial multiplexing in a cavity-enhanced quantum memory
Author(s): Paul D. Kunz; Siddhartha Santra; David H. Meyer; Zachary A. Castillo; Vladimir S. Malinovsky; Kevin C. Cox
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Paper Abstract

We present a multiplexed quantum repeater protocol based on an ensemble of laser-cooled and trapped rubidium atoms inside an optical ring cavity. We have already demonstrated strong collective coupling in such a system and have constructed a multiplexing apparatus based on a two-dimensional acousto-optical deflector. Here, we show how this system could enable a multiplexed quantum repeater using collective excitations with non-trivial spatial phase profiles (spinwaves). Calculated entanglement generation rates over long distances reveal that such a multiplexed ensemble-cavity platform is a promising route towards long distance quantum entanglement and networking.

Paper Details

Date Published: 4 March 2019
PDF: 14 pages
Proc. SPIE 10933, Advances in Photonics of Quantum Computing, Memory, and Communication XII, 109330P (4 March 2019); doi: 10.1117/12.2513496
Show Author Affiliations
Paul D. Kunz, U.S. Army Research Lab. (United States)
Siddhartha Santra, U.S. Army Research Lab. (United States)
David H. Meyer, Univ. of Maryland, College Park (United States)
Zachary A. Castillo, Univ. of Maryland, College Park (United States)
Vladimir S. Malinovsky, U.S. Army Research Lab. (United States)
Kevin C. Cox, U.S. Army Research Lab. (United States)


Published in SPIE Proceedings Vol. 10933:
Advances in Photonics of Quantum Computing, Memory, and Communication XII
Philip R. Hemmer; Alan L. Migdall; Zameer Ul Hasan, Editor(s)

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