Metacavities by harnessing the linear-crossing metamaterials

The formed optical cavity mode intensively relies on the size and geometry of optical cavity. When the defect or impurity exists inside the cavity, the formed cavity mode will be destroyed. Here, we propose a metacavity consisting of arrays of linear-crossing metamaterials (LCMMs) with abnormal disp...

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Main Authors: Wu Jiaju, Guo Zhiwei, Qi Xin, Wei Qian, He Li, Fang Kai, Sun Yong, Li Yunhui, Chen Yuguang, Jiang Haitao, Chen Hong
Format: Article
Language:English
Published: De Gruyter 2025-01-01
Series:Nanophotonics
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Online Access:https://doi.org/10.1515/nanoph-2024-0443
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author Wu Jiaju
Guo Zhiwei
Qi Xin
Wei Qian
He Li
Fang Kai
Sun Yong
Li Yunhui
Chen Yuguang
Jiang Haitao
Chen Hong
author_facet Wu Jiaju
Guo Zhiwei
Qi Xin
Wei Qian
He Li
Fang Kai
Sun Yong
Li Yunhui
Chen Yuguang
Jiang Haitao
Chen Hong
author_sort Wu Jiaju
collection DOAJ
description The formed optical cavity mode intensively relies on the size and geometry of optical cavity. When the defect or impurity exists inside the cavity, the formed cavity mode will be destroyed. Here, we propose a metacavity consisting of arrays of linear-crossing metamaterials (LCMMs) with abnormal dispersion, where each LCMM offers both the directional propagation channel for all incident angles and the negative refraction across its neighboring LCMMs. Such metacavity can be efficiently excited by a point source, where the excited wave vector components propagate along the same optical path in the cavity. More importantly, the proposed metacavity possesses the remarkable feature of partial defect immunity and geometry robustness. Assisted by two-dimensional transmission lines with loaded-circuit elements, a metacavity with partial defect immunity has been experimentally realized. Our work offers a new avenue for designing optical resonators excited by the point source in integrated photonics, which is very useful for high-efficiency filters, ultrasensitive sensors, and enhancement of light–matter interactions.
format Article
id doaj-art-6bbe33481a2749adbb5ffa342e6eed4d
institution Kabale University
issn 2192-8614
language English
publishDate 2025-01-01
publisher De Gruyter
record_format Article
series Nanophotonics
spelling doaj-art-6bbe33481a2749adbb5ffa342e6eed4d2025-02-02T15:46:12ZengDe GruyterNanophotonics2192-86142025-01-01141515810.1515/nanoph-2024-0443Metacavities by harnessing the linear-crossing metamaterialsWu Jiaju0Guo Zhiwei1Qi Xin2Wei Qian3He Li4Fang Kai5Sun Yong6Li Yunhui7Chen Yuguang8Jiang Haitao9Chen Hong10School of Communication Engineering, Hangzhou Dianzi University, Hangzhou310018, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaMOE Key Laboratory of Advanced Micro-Structured Materials, 12476School of Physics Science and Engineering Tongji University, Shanghai200092, ChinaThe formed optical cavity mode intensively relies on the size and geometry of optical cavity. When the defect or impurity exists inside the cavity, the formed cavity mode will be destroyed. Here, we propose a metacavity consisting of arrays of linear-crossing metamaterials (LCMMs) with abnormal dispersion, where each LCMM offers both the directional propagation channel for all incident angles and the negative refraction across its neighboring LCMMs. Such metacavity can be efficiently excited by a point source, where the excited wave vector components propagate along the same optical path in the cavity. More importantly, the proposed metacavity possesses the remarkable feature of partial defect immunity and geometry robustness. Assisted by two-dimensional transmission lines with loaded-circuit elements, a metacavity with partial defect immunity has been experimentally realized. Our work offers a new avenue for designing optical resonators excited by the point source in integrated photonics, which is very useful for high-efficiency filters, ultrasensitive sensors, and enhancement of light–matter interactions.https://doi.org/10.1515/nanoph-2024-0443metacavitylinear-crossing metamaterialsnegative refraction
spellingShingle Wu Jiaju
Guo Zhiwei
Qi Xin
Wei Qian
He Li
Fang Kai
Sun Yong
Li Yunhui
Chen Yuguang
Jiang Haitao
Chen Hong
Metacavities by harnessing the linear-crossing metamaterials
Nanophotonics
metacavity
linear-crossing metamaterials
negative refraction
title Metacavities by harnessing the linear-crossing metamaterials
title_full Metacavities by harnessing the linear-crossing metamaterials
title_fullStr Metacavities by harnessing the linear-crossing metamaterials
title_full_unstemmed Metacavities by harnessing the linear-crossing metamaterials
title_short Metacavities by harnessing the linear-crossing metamaterials
title_sort metacavities by harnessing the linear crossing metamaterials
topic metacavity
linear-crossing metamaterials
negative refraction
url https://doi.org/10.1515/nanoph-2024-0443
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