Magnon-driven dynamics of a hybrid system excited with ultrafast optical pulses
arXiv:2008.02317 · doi:10.1038/s42005-020-00435-w
Abstract
The potential of photon-magnon hybrid systems as building blocks for quantum information science has been widely demonstrated, and it is still the focus of much research. We leverage the strengths of this unique heterogeneous physical system in the field of precision physics beyond the standard model, where the sensitivity to the so-called "invisibles" is currently being boosted by quantum technologies. Here, we demonstrate that quanta of spin waves, driven by tiniest, effective magnetic field, can be detected in a large frequency band using a hybrid system as transducer. This result can be applied to the search of cosmological signals related, for example, to cold Dark Matter, which may directly interact with magnons. Our model of the transducer is based on a second-quantisation two-oscillators hybrid system, it matches the observations, and can be easily extended to thoroughly describe future large-scale ferromagnetic haloscopes.
9 pages, 5 figures
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Cited by in corpus (7)
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- Cavity magnon polariton based precision magnetometry
- Coherent coupling between multiple ferrimagnetic spheres and a microwave cavity in the quantum-limit
- Chiral coupling between a ferromagnetic magnon and a superconducting qubit
- Quantum measurement with recycled photons
- Phase-modulated cavity magnon polaritons as a precise magnetic field probe