Nonlinear Optics in Two-Dimensional Magnetic Materials: Advancements and Opportunities

Nonlinear optics, a critical branch of modern optics, presents unique potential in the study of two-dimensional (2D) magnetic materials. These materials, characterized by their ultra-thin geometry, long-range magnetic order, and diverse electronic properties, serve as an exceptional platform for exp...

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Bibliographic Details
Main Authors: Ziqian Xin, Bingyuan Xue, Wenbo Chang, Xinping Zhang, Jia Shi
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Nanomaterials
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Online Access:https://www.mdpi.com/2079-4991/15/1/63
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Summary:Nonlinear optics, a critical branch of modern optics, presents unique potential in the study of two-dimensional (2D) magnetic materials. These materials, characterized by their ultra-thin geometry, long-range magnetic order, and diverse electronic properties, serve as an exceptional platform for exploring nonlinear optical effects. Under strong light fields, 2D magnetic materials exhibit significant nonlinear optical responses, enabling advancements in novel optoelectronic devices. This paper outlines the principles of nonlinear optics and the magnetic structures of 2D materials, reviews recent progress in nonlinear optical studies, including magnetic structure detection and nonlinear optical imaging, and highlights their role in probing magnetic properties by combining second harmonic generation (SHG) and multispectral integration. Finally, we discuss the prospects and challenges for applying nonlinear optics to 2D magnetic materials, emphasizing their potential in next-generation photonic and spintronic devices.
ISSN:2079-4991