Strong magnon-photon coupling with chip-integrated YIG in the zero-temperature limit

Baity, P. G. et al. (2021) Strong magnon-photon coupling with chip-integrated YIG in the zero-temperature limit. Applied Physics Letters, 119(3), 033502. (doi: 10.1063/5.0054837)

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The cross-integration of spin-wave and superconducting technologies is a promising method for creating novel hybrid devices for future information processing technologies to store, manipulate, or convert data in both classical and quantum regimes. Hybrid magnon–polariton systems have been widely studied using bulk Yttrium Iron Garnet (Y3Fe5O12, YIG) and three-dimensional microwave photon cavities. However, limitations in YIG growth have, thus far, prevented its incorporation into CMOS compatible technologies, such as high-quality factor superconducting quantum technology. To overcome this impediment, we have used Plasma Focused Ion Beam (PFIB) technology—taking advantage of precision placement down to the micrometer scale—to integrate YIG with superconducting microwave devices. Ferromagnetic resonance has been measured at milliKelvin temperatures on PFIB-processed YIG samples using planar microwave circuits. Furthermore, we demonstrate strong coupling between superconducting resonators and YIG ferromagnetic resonance modes by maintaining reasonably low loss while reducing the system down to the micrometer scale. This achievement of strong coupling on-chip is a crucial step toward fabrication of functional hybrid quantum devices from spin-wave and superconducting components.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Danilin, Dr Sergey and Weides, Professor Martin and Bozhko, Dr Dmytro and McVitie, Professor Stephen and Barbosa, Joao and Smith, Mr William and Baity, Dr Paul and Holland, Mr Rory and Hadfield, Professor Robert and Nasti, Umberto and Seferai, Mr Valentino and Paul, Dr Jharna and Macedo, Dr Rair
Authors: Baity, P. G., Bozhko, D. A., Macêdo, R., Smith, W., Holland, R. C., Danilin, S., Seferai, V., Barbosa, J., Peroor, R. R., Goldman, S., Nasti, U., Paul, J., Hadfield, R. H., McVitie, S., and Weides, M.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
College of Science and Engineering > School of Physics and Astronomy
Journal Name:Applied Physics Letters
Publisher:AIP Publishing
ISSN (Online):1077-3118
Copyright Holders:Copyright © 2021 The Authors
First Published:First published in Applied Physics Letters 119(3): 033502
Publisher Policy:Reproduced in accordance with the publisher copyright policy
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
190883Consortium for advanced materials based on spin chiralityStephen McVitieEngineering and Physical Sciences Research Council (EPSRC)EP/M024423/1P&S - Physics & Astronomy
171723Infrared imaging and sensing: the single photonRobert HadfieldEuropean Research Council (ERC)648604ENG - Electronics & Nanoscale Engineering