Second Harmonic Generation in Nanowires

Bi Jun Zhao, Jian Lin Zhao, Xue Tao Gan

科研成果: 期刊稿件文献综述同行评审

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摘要

Second harmonic generation (SHG) in optical materials serves as important techniques for laser source generations in awkward spectral ranges, physical identities of materials in crystalline symmetry and interfacial configuration. Here, we present a comprehensive review on SHGs in nanowires (NWs), which have been recognized as an important element in constructing photonic and optoelectronic devices with compact footprint and high quantum yield. Relying on NW’s one-dimensional geometry, its SHG could be employed as a sophisticated spectroscopy to determine the crystal phase and orientation, as well as the internal strain. The enhancements of SHG efficiency in NWs are discussed then, which were realized by hybrid integrating them with two-dimensional materials, nanophotonic and plasmonic structures. Finally, the potential applications of NW SHGs are concluded, including the areas of optical correlators and constructions of on-chip nano-laser sources.

源语言英语
文章编号104201
期刊Chinese Physics Letters
41
10
DOI
出版状态已出版 - 1 11月 2024

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