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Title: The role of excitation vector fields and all-polarisation state control in cavity magnonics

Journal Article · · npj Spintronics (Online)

Abstract Recently the field of cavity magnonics, a field focused on controlling the interaction between magnons and photons confined within microwave resonators, has drawn significant attention as it offers a platform for enabling advancements in quantum- and spin-based technologies. Here, we introduce excitation vector fields, whose polarisation and profile can be easily tuned in a two-port cavity setup, thus acting as an effective experimental dial to explore the coupled dynamics of cavity magnon-polaritons. Moreover, we develop theoretical models that accurately predict and reproduce the experimental results for any polarisation state and field profile within the cavity resonator. This versatile experimental platform offers a new avenue for controlling spin-photon interactions by manipulating the polarisation of excitation fields. By introducing real-time tunable parameters that control the polarisation state, our experiment delivers a mechanism to readily control the exchange of information between hybrid systems.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0024090; SC0024400
OSTI ID:
2479812
Journal Information:
npj Spintronics (Online), Journal Name: npj Spintronics (Online) Journal Issue: 1 Vol. 2; ISSN 2948-2119
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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