Strong Coupling between Microwave Photons and Nanomagnet Magnons
Name
PhysRevLett.123.107702.pdf
Size
2.91 MB
Format
Adobe PDF
Checksum (MD5)
7913a92b5cdef9eb56668c601c917994
Author(s)
Hou, Justin T.(Justin Tony)
Liu, Luqiao
Date Issued
September 2019
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Hou, Justin T. and Luqiao Liu, "Strong Coupling between Microwave Photons and Nanomagnet Magnons." Physical Review Letters 123, 10 (September 2019): no. 107702 doi. 10.1103/PhysRevLett.123.107702 ©2019 Authors
Version
Final published version
Abstract
Coupled microwave photon-magnon hybrid systems offer promising applications by harnessing various magnon physics. At present, in order to realize high coupling strength between the two subsystems, bulky ferromagnets with large spin numbers are utilized, which limits their potential applications for scalable quantum information processing. By enhancing single spin coupling strength using lithographically defined superconducting resonators, we report high cooperativities between a resonator mode and a Kittel mode in nanometer thick Permalloy wires. The on-chip, lithographically scalable, and superconducting quantum circuit compatible design provides a direct route towards realizing hybrid quantum systems with nanomagnets, whose coupling strength can be precisely engineered and dynamic properties can be controlled by various mechanisms derived from spintronic studies. ©2019 American Physical Society
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.123.107702
