Spatially inhomogeneous inverse Faraday effect provides tunable nonthermal excitation of exchange dominated spin waves-Reference-Cited by-同舟云学术

Spatially inhomogeneous inverse Faraday effect provides tunable nonthermal excitation of exchange dominated spin waves

Published:2024-01-19 Issue:3 Volume:13 Page:299-306
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Krichevsky Denis M.¹²^ORCID,Ozerov Vladislav A.¹²,Bel’kova Alexandra V.¹³,Sylgacheva Daria A.¹^ORCID,Kalish Andrey N.¹³,Evstigneeva Svetlana A.¹^ORCID,Pakhomov Alexander S.¹²⁴,Mikhailova Tatiana V.⁵,Lyashko Sergey D.⁵,Kudryashov Alexander L.⁵,Semuk Evgeny Yu.⁵,Chernov Alexander I.¹²^ORCID,Berzhansky Vladimir N.⁵,Belotelov Vladimir I.¹⁵³

Affiliation:

1. Russian Quantum Center , 143025, Skolkovo , Moscow Region , Russia

2. Moscow Institute of Physics and Technology (National Research University) , 141700 , Dolgoprudny , Russia

3. Photonic and Quantum Technologies School, Faculty of Physics , Lomonosov Moscow State University , 119991 , Moscow , Russia

4. New Spintronic Technologies , 121205 , Moscow , Russia

5. V.I. Vernadsky Crimean Federal University , 295007 , Simferopol , Russia

Abstract

Abstract We demonstrate optical nonthermal excitation of exchange dominated spin waves of different orders in a magnetophotonic crystal. The magnetophotonic structure consists of a thin magnetic film and a Bragg stack of nonmagnetic layers to provide a proper nonuniform interference pattern of the inverse Faraday effect induced by light in the magnetic layer. We found a phenomenon of the pronounced phase slippage of the inverse Faraday effect distribution when the pump wavelength is within the photonic band gap of the structure. It allows to tune the interference pattern by a slight variation of light wavelength which results in the modification of excitation efficiency of the different order spin waves. The approach can be applied for different magnetic dielectrics expanding their application horizons for spin-wave based devices.

Funder

Ministry of Science and Higher Education of the Russian Federation

Russian Science Foundation

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2023-0626/pdf

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