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Title: Spin-wave nonreciprocity based on interband magnonic transitions
Authors: Di, K.
Lim, H.S. 
Zhang, V.L. 
Ng, S.C.
Kuok, M.H. 
Issue Date: 23-Sep-2013
Citation: Di, K., Lim, H.S., Zhang, V.L., Ng, S.C., Kuok, M.H. (2013-09-23). Spin-wave nonreciprocity based on interband magnonic transitions. Applied Physics Letters 103 (13) : -. ScholarBank@NUS Repository.
Abstract: We theoretically demonstrate linear spin-wave nonreciprocity in a Ni 80Fe20 nanostripe waveguide, based on interband magnonic transitions induced by a time-reversal and spatial-inversion symmetry breaking magnetic field. An analytical coupled-mode theory of spin waves, developed to describe the transitions which are accompanied by simultaneous frequency and wavevector shifts of the coupled spin waves, is well corroborated by numerical simulations. Our findings could pave the way for the realization of spin-wave isolation and the dynamic control of spin-wave propagation in nanoscale magnonic integrated circuits via an applied magnetic field. © 2013 AIP Publishing LLC.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.4822095
Appears in Collections:Staff Publications

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