Low- and high-order nonlinear optical properties of Ag2S quantum dot thin films

doi:10.1515/nanoph-2018-0213

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	Low- and high-order nonlinear optical properties of Ag2S quantum dot thin films
	Y.Fu; R.A.Ganeev; G.S.Boltaev; S.K.Maurya; V.Kim; C.Zhao
	2019
发表期刊	Nanophotonics
ISSN	2192-8606
卷号	8 期号:5 页码:849-858
摘要	Thin films containing small-sized quantum dots (QDs) and nanoparticles have shown strong optical nonlinearities caused by the confinement effect. Here, we report the study of third-order optical nonlinearities of silver sulfide (Ag2S) QD thin films using 800 and 400 nm, 30 fs pulses. The absorption spectrometry and transmission electron microscopy are used to characterize the synthesized 80 and 500 nm Ag2S QD films. The giant enhancement of nonlinearities is observed up to three to six orders of magnitude larger compared to those for the bulk and liquid Ag2S samples. We also demonstrate the efficient high-order harmonic generation in the plasmas produced during ablation of the Ag2S QD thin films. The analysis of the dynamics of the QD-containing plasma spreading allowed optimization of the delay between the heating and the driving pulses for an enhancement of harmonics conversion efficiency.
关键词	Ag2S,high harmonics generation (HHG),nonlinear absorption and,refraction,quantum dot films
DOI	10.1515/nanoph-2018-0213
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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/181722/63388
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.Fu,R.A.Ganeev,G.S.Boltaev,et al. Low- and high-order nonlinear optical properties of Ag2S quantum dot thin films[J]. Nanophotonics,2019,8(5):849-858.
APA	Y.Fu,R.A.Ganeev,G.S.Boltaev,S.K.Maurya,V.Kim,&C.Zhao.(2019).Low- and high-order nonlinear optical properties of Ag2S quantum dot thin films.Nanophotonics,8(5),849-858.
MLA	Y.Fu,et al."Low- and high-order nonlinear optical properties of Ag2S quantum dot thin films".Nanophotonics 8.5(2019):849-858.

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