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Superconducting metamaterials for waveguide quantum electrodynamics

Mirhosseini, Mohammad and Kim, Eunjong and Ferreira, Vinicius S. and Kalaee, Mahmoud and Sipahigil, Alp and Keller, Andrew J. and Painter, Oskar (2018) Superconducting metamaterials for waveguide quantum electrodynamics. Nature Communications, 9 . Art. No. 3706. ISSN 2041-1723. PMCID PMC6135821. doi:10.1038/s41467-018-06142-z. https://resolver.caltech.edu/CaltechAUTHORS:20180313-154248544

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Abstract

Embedding tunable quantum emitters in a photonic bandgap structure enables control of dissipative and dispersive interactions between emitters and their photonic bath. Operation in the transmission band, outside the gap, allows for studying waveguide quantum electrodynamics in the slow-light regime. Alternatively, tuning the emitter into the bandgap results in finite-range emitter–emitter interactions via bound photonic states. Here, we couple a transmon qubit to a superconducting metamaterial with a deep sub-wavelength lattice constant (λ/60). The metamaterial is formed by periodically loading a transmission line with compact, low-loss, low-disorder lumped-element microwave resonators. Tuning the qubit frequency in the vicinity of a band-edge with a group index of n_g = 450, we observe an anomalous Lamb shift of −28 MHz accompanied by a 24-fold enhancement in the qubit lifetime. In addition, we demonstrate selective enhancement and inhibition of spontaneous emission of different transmon transitions, which provide simultaneous access to short-lived radiatively damped and long-lived metastable qubit states.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1038/s41467-018-06142-zDOIArticle
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6135821PubMed CentralArticle
http://arxiv.org/abs/1802.01708arXivDiscussion Paper
ORCID:
AuthorORCID
Mirhosseini, Mohammad0000-0002-9084-6880
Kim, Eunjong0000-0003-4879-8819
Ferreira, Vinicius S.0000-0002-9522-2567
Sipahigil, Alp0000-0003-1469-5272
Keller, Andrew J.0000-0003-3030-1149
Painter, Oskar0000-0002-1581-9209
Additional Information:© The Author(s) 2018. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. Received 17 May 2018; Accepted 10 August 2018; Published 12 September 2018. We would like to thank Paul Dieterle, Ana Asenjo Garcia, and Darrick Chang for fruitful discussions regarding waveguide QED. This work was supported by the AFOSR MURI Quantum Photonic Matter (grant 16RT0696), the AFOSR MURI Wiring Quantum Networks with Mechanical Transducers (grant FA9550-15-1-0015), the Institute for Quantum Information and Matter, an NSF Physics Frontiers Center (grant PHY-1125565) with support of the Gordon and Betty Moore Foundation, and the Kavli Nanoscience Institute at Caltech. M.M. (A.J.K., A.S.) gratefully acknowledges support from a KNI (IQIM) Postdoctoral Fellowship. Data availability: The data that support the findings of this study are available from the corresponding author (O.P.) upon reasonable request.
Group:Institute for Quantum Information and Matter, Kavli Nanoscience Institute
Funders:
Funding AgencyGrant Number
Air Force Office of Scientific Research (AFOSR)16RT0696
Air Force Office of Scientific Research (AFOSR)FA9550-15-1-0015
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
NSFPHY-1125565
Gordon and Betty Moore FoundationUNSPECIFIED
Kavli Nanoscience InstituteUNSPECIFIED
PubMed Central ID:PMC6135821
DOI:10.1038/s41467-018-06142-z
Record Number:CaltechAUTHORS:20180313-154248544
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180313-154248544
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85291
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:13 Mar 2018 22:48
Last Modified:10 May 2022 22:18

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