The role of Snell’s law for a magnonic majority gate

Abstract In the fifty years since the postulation of Moore’s Law, the increasing energy consumption in silicon electronics has motivated research into emerging devices. An attractive research direction is processing information via the phase of spin waves within magnonic-logic circuits, which functi...

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Autores principales:	Naoki Kanazawa, Taichi Goto, Koji Sekiguchi, Alexander B. Granovsky, Caroline A. Ross, Hiroyuki Takagi, Yuichi Nakamura, Hironaga Uchida, Mitsuteru Inoue
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3b7f7fe63ab9436b9d9fdfa32c583b5a
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spelling	oai:doaj.org-article:3b7f7fe63ab9436b9d9fdfa32c583b5a2021-12-02T15:06:27ZThe role of Snell’s law for a magnonic majority gate10.1038/s41598-017-08114-72045-2322https://doaj.org/article/3b7f7fe63ab9436b9d9fdfa32c583b5a2017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08114-7https://doaj.org/toc/2045-2322Abstract In the fifty years since the postulation of Moore’s Law, the increasing energy consumption in silicon electronics has motivated research into emerging devices. An attractive research direction is processing information via the phase of spin waves within magnonic-logic circuits, which function without charge transport and the accompanying heat generation. The functional completeness of magnonic logic circuits based on the majority function was recently proved. However, the performance of such logic circuits was rather poor due to the difficulty of controlling spin waves in the input junction of the waveguides. Here, we show how Snell’s law describes the propagation of spin waves in the junction of a Ψ-shaped magnonic majority gate composed of yttrium iron garnet with a partially metallized surface. Based on the analysis, we propose a magnonic counterpart of a core-cladding waveguide to control the wave propagation in the junction. This study has therefore experimentally demonstrated a fundamental building block of a magnonic logic circuit.Naoki KanazawaTaichi GotoKoji SekiguchiAlexander B. GranovskyCaroline A. RossHiroyuki TakagiYuichi NakamuraHironaga UchidaMitsuteru InoueNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Naoki Kanazawa Taichi Goto Koji Sekiguchi Alexander B. Granovsky Caroline A. Ross Hiroyuki Takagi Yuichi Nakamura Hironaga Uchida Mitsuteru Inoue The role of Snell’s law for a magnonic majority gate
description	Abstract In the fifty years since the postulation of Moore’s Law, the increasing energy consumption in silicon electronics has motivated research into emerging devices. An attractive research direction is processing information via the phase of spin waves within magnonic-logic circuits, which function without charge transport and the accompanying heat generation. The functional completeness of magnonic logic circuits based on the majority function was recently proved. However, the performance of such logic circuits was rather poor due to the difficulty of controlling spin waves in the input junction of the waveguides. Here, we show how Snell’s law describes the propagation of spin waves in the junction of a Ψ-shaped magnonic majority gate composed of yttrium iron garnet with a partially metallized surface. Based on the analysis, we propose a magnonic counterpart of a core-cladding waveguide to control the wave propagation in the junction. This study has therefore experimentally demonstrated a fundamental building block of a magnonic logic circuit.
format	article
author	Naoki Kanazawa Taichi Goto Koji Sekiguchi Alexander B. Granovsky Caroline A. Ross Hiroyuki Takagi Yuichi Nakamura Hironaga Uchida Mitsuteru Inoue
author_facet	Naoki Kanazawa Taichi Goto Koji Sekiguchi Alexander B. Granovsky Caroline A. Ross Hiroyuki Takagi Yuichi Nakamura Hironaga Uchida Mitsuteru Inoue
author_sort	Naoki Kanazawa
title	The role of Snell’s law for a magnonic majority gate
title_short	The role of Snell’s law for a magnonic majority gate
title_full	The role of Snell’s law for a magnonic majority gate
title_fullStr	The role of Snell’s law for a magnonic majority gate
title_full_unstemmed	The role of Snell’s law for a magnonic majority gate
title_sort	role of snell’s law for a magnonic majority gate
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/3b7f7fe63ab9436b9d9fdfa32c583b5a
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The role of Snell’s law for a magnonic majority gate

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