Second Harmonic Generation in Exfoliated Few-Layer ReS2

doi:10.1002/adom.202300111

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	Second Harmonic Generation in Exfoliated Few-Layer ReS2
	Y. Song, Y. W. Shan, W. M. Wang, K. A. Chang, Z. Zheng, Z. M. Shi, D. B. Li and J. L. Cheng
	2023
发表期刊	Advanced Optical Materials
ISSN	2195-1071
卷号	11 期号:16 页码:7
摘要	The second harmonic generation (SHG) is systematically investigated in mechanically exfoliated, few-layer ReS2 samples. The stacking orders are identified as (AA)(n)A and (AB(y))(n)A for (2n+1)-layer samples and (AA)(n) and (AB(y))(n) for 2n-layer samples. The layer structure A stands for that of a monolayer, and the layer structure B-y is mirror to A followed by a one-tenth unit cell translation along the mirror axis, that is, the b-axis of the crystal. Only the even-layer samples with (AB(y))(n) stacking order are SHG active. After carefully extracting the effective bulk susceptibility for SHG, it is found that the spectra are greatly enhanced as the fundamental photon energy matches exciton levels. The polarization dependence is strongly anisotropic, and each susceptibility component shows very different wavelength dependence. The results demonstrate that few-layer ReS2, with its unique SHG, can be considered as an ideal platform for fundamental research in anisotropic nonlinear optics.
DOI	10.1002/adom.202300111
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收录类别	sci ; ei
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/181722/67854
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, Y. W. Shan, W. M. Wang, K. A. Chang, Z. Zheng, Z. M. Shi, D. B. Li and J. L. Cheng. Second Harmonic Generation in Exfoliated Few-Layer ReS2[J]. Advanced Optical Materials,2023,11(16):7.
APA	Y. Song, Y. W. Shan, W. M. Wang, K. A. Chang, Z. Zheng, Z. M. Shi, D. B. Li and J. L. Cheng.(2023).Second Harmonic Generation in Exfoliated Few-Layer ReS2.Advanced Optical Materials,11(16),7.
MLA	Y. Song, Y. W. Shan, W. M. Wang, K. A. Chang, Z. Zheng, Z. M. Shi, D. B. Li and J. L. Cheng."Second Harmonic Generation in Exfoliated Few-Layer ReS2".Advanced Optical Materials 11.16(2023):7.

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