Enhancement of Optical Nonlinearity in the Triangular Gold Nanoplates on Indium Tin Oxide

被引：5
|
作者：
Huang, Jing [2 ]
Li, Jie [2 ]
Liu, Dongyang [2 ]
Miao, Lili [1 ,2 ]
Zhao, Chujun [1 ,2 ]
机构：
[1] Hunan Univ, Minist Educ, Key Lab Micro Nano Optoelect Devices, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Sch Phys & Elect, Hunan Prov Key Lab Low Dimens Struct Phys & Devic, Changsha 410082, Hunan, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2021年 / 13卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Nonlinear optics; Gold; Indium tin oxide; Ultrafast optics; Optical imaging; Optical films; Glass; Light interaction; nonlinear effects; Kerr effect; optical properties of photonic materials; ultrafast nonlinear process; plasmonics; SURFACE-PLASMON RESONANCE; NANOSPHERE LITHOGRAPHY; NANOPARTICLES; SPECTROSCOPY; NANOANTENNAS; DEPENDENCE; SPECTRA; SIZE;
D O I：
10.1109/JPHOT.2021.3085871
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The nonlinear optical materials with small footprint, low operating energy, ultrafast and large nonlinear optical response are highly required for the signal processing. Here, we investigated the broadband optical nonlinear response of the triangular gold nanoplates on indium tin oxide (ITO) coated glass, and obtained a large optical nonlinear enhancement at its localized surface plasmon resonance (LSPR) region at the wavelength of 780 nm, far from the ENZ (epsilon-near-zero) region of ITO. The measured nonlinear refractive index and nonlinear absorption coefficient can reach up to 8.39x10(-15) m(2)/W and 5.81x10(-8) m/W, respectively. The experimental results highlight the noble metals' potential for nonlinear optics and nanophotonics.
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页数：9
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