Ultrastrongly coupled and directionally nonreciprocal magnon polaritons in magnetochiral metamolecules

被引：0

作者：

Mita, Kentaro ^{[1
]}

Chiba, Takahiro ^{[2
,3
]}

Kodama, Toshiyuki ^{[4
]}

Ueda, Tetsuya ^{[5
]}

Nakanishi, Toshihiro ^{[6
]}

Sawada, Kei ^{[7
]}

Tomita, Satoshi ^{[1
,4
]}

机构：

[1] Tohoku Univ, Grad Sch Sci, Dept Phys, Sendai 9808578, Japan

[2] Tohoku Univ, Frontier Res Inst Interdisciplinary Sci, Sendai 9808578, Japan

[3] Tohoku Univ, Grad Sch Engn, Dept Appl Phys, Sendai 9808579, Japan

[4] Tohoku Univ, Inst Excellence Higher Educ, Sendai 9808576, Japan

[5] Kyoto Inst Technol, Dept Elect Engn & Elect, Kyoto 6068585, Japan

[6] Kyoto Univ, Dept Elect Sci & Engn, Kyoto 6158510, Japan

[7] RIKEN SPring 8 Ctr, Sayo 6795148, Japan

来源：

PHYSICAL REVIEW APPLIED | 2025年 / 23卷 / 01期

关键词：

LIGHT;

D O I：

10.1103/PhysRevApplied.23.L011004

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We experimentally demonstrate magnon polaritons with ultrastrong coupling and directional nonreciprocity in a metamolecule lacking time-reversal and space-inversion symmetries at room temperature. These experimental results are reproduced well via numerical simulations and theoretical considerations. Ultrastrong coupling is due to a direct interaction of magnons in the magnetic meta-atom with microwave photons confined in the chiral meta-atom as a resonator. Our results reveal a crucial step in identifying deep strongly coupled and optically moving magnon polaritons for hybrid quantum systems, synthetic gauge fields, and quasiparticle "chemistry" using metamaterials.

引用

页数：6

共 7 条

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[7] Strongly Coupled Magnon-Plasmon Polaritons in Graphene-Two-Dimensional Ferromagnet Heterostructures
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