Advancing nonlinear nanophotonics: harnessing membrane metasurfaces for third-harmonic generation and imaging
비선형 나노 광자학 추진: 필름 초표면을 이용하여 세 차례의 고조파 발생과 영상 생성
Avance de la Nanofotónica no lineal: generación e imagen de terceros armónicos utilizando supersuperficies de membrana
Faire progresser la nanophotonique non linéaire: génération et imagerie de troisième harmonique à l'aide de supersurfaces membranaires
Продвижение нелинейной нанофотоники: создание и визуализация трех гармоник с использованием мембранной суперповерхности
Mingbo Pu 蒲明博 ¹ ² ³ ⁴, Xiangang Luo 罗先刚 ¹ ² ³ ⁴
¹ State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
中国 成都 中国科学院光电技术研究所 微细加工光学技术国家重点实验室
² Key Laboratory of Optical Field Manipulation Science and Technology, Chinese Academy of Sciences, Chengdu 610209, China
中国 成都 中国科学院 光场调控科学技术全国重点实验室
³ Research Center on Vector Optical Fields, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
中国 成都 中国科学院光电技术研究所 矢量光场研究中心
⁴ School of Optoelectronics, University of Chinese Academy of Sciences, Beijing 100049, China
中国 北京 中国科学院大学光电学院
Opto-Electronic Advances, 31 August 2023

Dielectric metasurfaces are crucial for enhancing optical nonlinear generation, particularly membrane metasurfaces with multipolar resonances and compact size. Investigating silicon dimer-hole membrane metasurfaces, Rahmani, and Xu show how bound states in the continuum (BICs) can be formed and transformed into quasi-BICs by adjusting hole gaps. This innovation enables efficient conversion of infrared images to visible range, promising applications in nonlinear photonics and near-infrared imaging technologies.
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