Generation of spin-wave packets by reconfigurable nanomagnonic heterojunctions

被引：0

作者：

Roxburgh, A. ^{[1
]}

Micaletti, P. ^{[2
]}

Montoncello, F. ^{[2
]}

Iacocca, E. ^{[1
]}

机构：

[1] Univ Colorado Colorado Springs, Ctr Magnetism & Magnet Nanostruct, Colorado Springs, CO 80918 USA

[2] Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, FE, Italy

来源：

PHYSICAL REVIEW APPLIED | 2025年 / 24卷 / 01期

关键词：

D O I：

10.1103/bkqp-vjhy

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanomagnonic crystals are magnetic waveguides, the magnetic parameters of which are modulated at the nanoscale. The superlattice structure enables a band structure and magnonic band gaps. Here, we numerically investigate the field tunability of such a magnonic band gap. By subjecting different parts of the nanomagnonic crystal to a field, we realize a magnonic heterojunction. A numerical demonstration of an active modification of the band structure leads to magnonic amplitude modulation in the linear regime and magnonic frequency combs in the nonlinear regime. Our results will offer further opportunities for nanomagnonic crystals and inspire their experimental realization.

引用

页数：9

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