Dynamic modulation of dual-band nonreciprocal radiation in a graphene-Weyl semimetal plasmonic structure

Fuente: arXiv
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Main Authors: Qing, Ye Ming, Liu, Jiao, Yang, Zhaoyan, Gou, Yue, Wu, Liang Wei, Wu, Jun
Format: Preprint
Published: 2025
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author Qing, Ye Ming
Liu, Jiao
Yang, Zhaoyan
Gou, Yue
Wu, Liang Wei
Wu, Jun
author_facet Qing, Ye Ming
Liu, Jiao
Yang, Zhaoyan
Gou, Yue
Wu, Liang Wei
Wu, Jun
contents We introduce and develop a hybrid structure combining graphene and Weyl semimetal, capable of achieving dynamically adjustable dual-band nonreciprocal radiation. The results reveal that the nonreciprocal radiation can be attributed to the synergistic interaction between resonance mode excitation and the unique properties of Weyl materials, with the electric field distribution providing further insights into the graphene plasmon modes involved. By exploiting the resonant characteristics of graphene plasmons, we demonstrate that strong nonreciprocal radiation can be effectively regulated through adjusting the grating's geometric parameters, while maintaining robustness over a wide range. Notably, substantial dynamic tuning of the resonant wavelength for nonreciprocal radiation is achievable by modulating the Fermi level of graphene. Our research results offer promising prospects for the developing of complex energy harvesting and conversion systems within advanced thermal frameworks.
format Preprint
id arxiv_https___arxiv_org_abs_2501_09335
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Dynamic modulation of dual-band nonreciprocal radiation in a graphene-Weyl semimetal plasmonic structure
Qing, Ye Ming
Liu, Jiao
Yang, Zhaoyan
Gou, Yue
Wu, Liang Wei
Wu, Jun
Optics
Applied Physics
We introduce and develop a hybrid structure combining graphene and Weyl semimetal, capable of achieving dynamically adjustable dual-band nonreciprocal radiation. The results reveal that the nonreciprocal radiation can be attributed to the synergistic interaction between resonance mode excitation and the unique properties of Weyl materials, with the electric field distribution providing further insights into the graphene plasmon modes involved. By exploiting the resonant characteristics of graphene plasmons, we demonstrate that strong nonreciprocal radiation can be effectively regulated through adjusting the grating's geometric parameters, while maintaining robustness over a wide range. Notably, substantial dynamic tuning of the resonant wavelength for nonreciprocal radiation is achievable by modulating the Fermi level of graphene. Our research results offer promising prospects for the developing of complex energy harvesting and conversion systems within advanced thermal frameworks.
title Dynamic modulation of dual-band nonreciprocal radiation in a graphene-Weyl semimetal plasmonic structure
topic Optics
Applied Physics
url https://arxiv.org/abs/2501.09335