Optical second harmonic generation: role of symmetry and local resonances (review)

IF 0.9 4区 工程技术 Q3 Engineering
I. Baranova, T. Dolgova, I. Kolmychek, A. Maydykovskiy, E. Mishina, T. Murzina, A. A. Fedyanin
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引用次数: 1

Abstract

We report some results of studying optical second-harmonic generation (SHG) on surfaces and at interfaces of centrosymmetric media, in resonant nano- and microstructures, and in ferroelectric materials. The research was carried out at the Department of Quantum Electronics of the Lomonosov Moscow State University under the supervision of Professor O.A. Aktsipetrov, and subsequently developed by his disciples. As examples that clearly demonstrate the possibilities of the SHG method for examining nonstandard objects of nonlinear optics, we discuss the behaviour of the nonlinear optical response of single-crystal silicon and germanium surfaces and their interfaces with oxides, as well as nonlinear electroreflection. Optical interferometry and its possibilities are briefly described using the example of these systems. Unique sensitivity of SHG to the symmetry and resonance properties of nanostructures, including magnetic ones, is shown, which determines the efficiency of this method for investigating such systems. Finally, we demonstrate that the SHG effect is a unique remote and sensitive method for studying ferroelectric structures.
光学二次谐波的产生:对称性和局部共振的作用(复习)
本文报道了在中心对称介质的表面和界面、共振纳米和微结构以及铁电材料中光学二次谐波产生的一些研究结果。这项研究是在罗蒙诺索夫莫斯科国立大学量子电子系在O.A.阿克齐彼得罗夫教授的指导下进行的,随后由他的弟子发展。我们讨论了单晶硅和锗表面及其与氧化物的界面的非线性光学响应行为,以及非线性电反射,作为清楚地证明了SHG方法检测非线性光学非标准物体的可能性的例子。以这些系统为例,简要介绍了光学干涉测量及其可能性。SHG对纳米结构(包括磁性结构)的对称性和共振特性具有独特的敏感性,这决定了该方法研究此类系统的效率。最后,我们证明了SHG效应是研究铁电结构的一种独特的远程和灵敏的方法。
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来源期刊
Quantum Electronics
Quantum Electronics 工程技术-工程:电子与电气
CiteScore
3.00
自引率
11.10%
发文量
95
审稿时长
3-6 weeks
期刊介绍: Quantum Electronics covers the following principal headings Letters Lasers Active Media Interaction of Laser Radiation with Matter Laser Plasma Nonlinear Optical Phenomena Nanotechnologies Quantum Electronic Devices Optical Processing of Information Fiber and Integrated Optics Laser Applications in Technology and Metrology, Biology and Medicine.
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