Scalable Integration of Long-Lived Quantum Memories into a Photonic Circuit
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PhysRevX.5.031009.pdf
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808.27 KB
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Checksum (MD5)
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Author(s)
Mouradian, Sara L.
Poitras, Carl B.
Li, Luozhou
Chen, Edward H.
Cardenas, Jaime
Markham, Matthew L.
Twitchen, Daniel J.
Lipson, Michal
Schroder, Tim
Goldstein, Jordan A.
Date Issued
July 2015
Journal
Physical Review X
Publisher
American Physical Society
Citation
Mouradian, Sara L., et al. "Scalable Integration of Long-Lived Quantum Memories into a Photonic Circuit." Phys. Rev. X 5, 031009 (July 2015).
Version
Final published version
Abstract
We demonstrate a photonic circuit with integrated long-lived quantum memories. Precharacterized quantum nodes—diamond microwaveguides containing single, stable, negatively charged nitrogen-vacancy centers—are deterministically integrated into low-loss silicon nitride waveguides. These quantum nodes efficiently couple into the single-mode waveguides with >1 Mcps collected into the waveguide, have narrow single-scan linewidths below 400 MHz, and exhibit long electron spin coherence times up to 120 μs. Our system facilitates the assembly of multiple quantum nodes with preselected properties into a photonic integrated circuit with near unity yield, paving the way towards the scalable fabrication of quantum information processors.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology. Research Laboratory of Electronics
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Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1103/PhysRevX.5.031009
