Interference tunable second harmonic generation for two-dimensional materials in layered structures

doi:10.1364/oe.486719

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	Interference tunable second harmonic generation for two-dimensional materials in layered structures
	Y. Song, W. M. Wang, Y. C. Wang, Y. W. Shan, J. L. Cheng and J. E. Sipe
	2023
发表期刊	Optics Express
ISSN	1094-4087
卷号	31 期号:12 页码:19746-19753
摘要	We experimentally study the tunability of second harmonic generation (SHG) from a two-dimensional (2D) material in a 2D material/dielectric film/substrate layered structure. Such tunability arises from two interferences: one is between the incident fundamental light and its reflected light, and the other is between the upward second harmonic (SH) light and the reflected downward SH light. When both interferences are constructive, the SHG is maximally enhanced; it becomes attenuated if either of them is destructive. The maximal signal can be obtained when both interferences are perfectly constructive, which can be realized by choosing a highly reflective substrate and an appropriate thickness for a dielectric film that has a large difference in its refractive indices at the fundamental and the SH wavelengths. Our experiments demonstrate variations of three orders of magnitude in the SHG signals from a monolayer MoS2/TiO2/Ag layered structure.& COPY; 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
DOI	10.1364/oe.486719
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收录类别	sci
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67855
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	Y. Song, W. M. Wang, Y. C. Wang, Y. W. Shan, J. L. Cheng and J. E. Sipe. Interference tunable second harmonic generation for two-dimensional materials in layered structures[J]. Optics Express,2023,31(12):19746-19753.
APA	Y. Song, W. M. Wang, Y. C. Wang, Y. W. Shan, J. L. Cheng and J. E. Sipe.(2023).Interference tunable second harmonic generation for two-dimensional materials in layered structures.Optics Express,31(12),19746-19753.
MLA	Y. Song, W. M. Wang, Y. C. Wang, Y. W. Shan, J. L. Cheng and J. E. Sipe."Interference tunable second harmonic generation for two-dimensional materials in layered structures".Optics Express 31.12(2023):19746-19753.

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