Antenna-enhanced high harmonic generation in a wide-bandgap semiconductor ZnO

被引：0
|
作者：
Imasaka, Kotaro [1 ]
Kaji, Tomohiro [1 ]
Shimura, Tsutomu [1 ]
Ashihara, Satoshi [1 ]
机构：
[1] Univ Tokyo, Inst Ind Sci, Meguro Ku, 4-6-1 Komaba, Tokyo 1538505, Japan
来源：
XXI INTERNATIONAL CONFERENCE ON ULTRAFAST PHENOMENA 2018 (UP 2018) | 2019年 / 205卷
基金：
日本学术振兴会;
关键词：
D O I：
10.1051/epjconf/201920502024
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We demonstrate high harmonic generation (HHG) into deepUV range in a ZnO single crystal with resonant nanoantennas. Non-perturbative HUG is successfully induced by optical excitation of as low as 20 GW/cm(2). The spectral selection rule is found to reflect crystal symmetry, suggesting the possibility of nano-scaled EUV sources and band-structure reconstruction.
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页数：3
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