Journal
APPLIED PHYSICS LETTERS
Volume 116, Issue 26, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/5.0015660
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Funding
- University of Alberta
- Natural Sciences and Engineering Research Council, Canada [RGPIN-04523-16, DAS-492947-16, CREATE-495446-17]
- Alberta Quantum Major Innovation Fund
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The ability to achieve strong-coupling has made cavity-magnon systems an exciting platform for the development of hybrid quantum systems and the investigation of fundamental problems in physics. Unfortunately, current experimental realizations are constrained to operate at a single frequency, defined by the geometry of the microwave cavity. In this article we realize a highly tunable, cryogenic, microwave cavity strongly coupled to magnetic spins. The cavity can be tuned in situ by up to 1.5GHz, approximately 15% of its original 10GHz resonance frequency. Moreover, this system remains within the strong-coupling regime at all frequencies with a cooperativity of approximate to 800.
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