期刊
CURRENT OPTICS AND PHOTONICS
卷 6, 期 6, 页码 576-582出版社
OPTICAL SOC KOREA
DOI: 10.3807/COPP.2022.6.6.576
关键词
Coherent extreme-ultraviolet pulse; High-order harmonic generation; Nanophotonics; Plasmonics; Ultrafast nonlinear optics
类别
资金
- FUNDING National Research Foundation of Korea (NRF) [2021R1C1C100982511]
Plasmonic high-order harmonic generation (HHG) is commonly used in nanoscale optical applications. This study theoretically calculates the plasmonic amplification in a metal-coated sapphire conical structure and analyzes its effects on HHG and sample damage.
Plasmonic high-order harmonic generation (HHG) is used in nanoscale optical applications because it can help in realizing a compact coherent ultrashort pulse generator on the nanoscale, using plasmonic field enhancement. The plasmonic amplification of nanostructures induces nonlinear optical phenomena such as second-order harmonic generation, third-order harmonic generation, frequency mixing, and HHG. This amplification also causes damage to the structure itself. In this study, the plasmonic amplification according to the design of a metal-coated sapphire conical structure is theoretically calculated, and we analyze the effects of this optical amplification on HHG and damage to the sample.
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