Phase reciprocity of spin-wave excitation by a microstrip antenna
By T. Schneider, A. Serga, T. Neumann, Burkard Hillebrands, M. Kostylev. 2008
142 citations recorded by the source corpus.
Using space-, time-, and phase-resolved Brillouin light-scattering spectroscopy we investigate the difference in phase of the two counterpropagating spin waves excited by the same microwave microstrip transducer. These studies are performed both for backward volume magnetostatic waves and magnetostatic surface waves in an in-plane magnetized yttrium iron garnet film. The experiments show that for the backward volume magnetostatic spin waves which are reciprocal and excited symmetrically in amplitude there is a phase difference of associated with the excitation process and thus the phase symmetry is distorted. On the contrary, for the magnetostatic surface spin waves which are nonreciprocal and unsymmetrical in amplitude the phase symmetry is preserved there is no phase difference between the two waves associated with the excitation. Theoretical analysis confirms this effect.
Subfields: Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering, Statistical and Nonlinear Physics
View Paper: https://www.semanticscholar.org/paper/6fc11a051baa5a96e433a5d9565c3ce98c67c3e6
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In Atomic and Molecular Physics, and Optics
In Electrical and Electronic Engineering
Citations in the corpus
- Long-range spin wave mediated control of defect qubits in nanodiamonds (2017, background): “The strong reduction in the PL quenching can be explained in light of the non-reciprocal nature of the DESW modes[21], which implies that a θ = π rotation of the magnetic field results in a decrease of the SWs excitation efficiency[22, 23] and in a drastic change in the SWs amplitude profile, which ”