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Abrupt lateral beam shifts from terahertz quasi-bound states in the continuum
《Science Bulletin》2025年第6期882-888,共7页Minggui Wei Yang Long Feng Wu Gui-Geng Liu Baile Zhang 
supported by the Singapore National Research Foundation Competitive Research Program(NRF-CRP23-2019-0007);the Singapore Ministry of Education Academic Research Fund Tier 2(MOE-T2EP50123-0007);Feng Wu acknowledges support from the National Natural Science Foundation of China(12104105);Guangdong Basic and Applied Basic Research Foundation(2023A1515011024).
Bound states in the continuum(BICs)are notable in photonics for their infinite Q factors.Perturbed BICs,or quasi-BICs(QBICs),have finite but ultra-high Q factors,enabling external coupling.So far,most studies have foc...
关键词：Bound states in the continuum Lateral shifts Terahertz optics 
Enhancement Methods for Chiral Optical Signals by Tailoring Optical Fields and Nanostructures
《Engineering》2025年第2期25-43,共19页Hanqing Cai Liangliang Gu Haifeng Hu Qiwen Zhan 
funded by the National Natural Science Foundation of China(62005168,62075132,and 92050202);the Natural Science Foundation of Shanghai(22ZR1443100).
The unique property of chirality is widely used in various fields.In the past few decades,a great deal of research has been conducted on the interactions between light and matter,resulting in significant technical adv...
关键词：Mie scattering Optical chirality Circular dichroism Orbital angular momentum Bound states in the continuum Nonlinear optics 
Inverse design of quasi-bound states in the continuum metasurface for the polarization independent enhancement of Goos-H?nchen shift
《Science China(Physics,Mechanics & Astronomy)》2024年第12期79-86,共8页Zuhai Ma Youzhi Shi Yu Chen Yu Xue Gan Wan Chi Zhang Hui Jing Le-Man Kuang Xinxing Zhou 
supported by the National Natural Science Foundation of China(Grant Nos.12374273,12421005,62271332,and 62275162);Training Program for Excellent Young Innovators of Changsha(Grant No.kq2107013);Guangdong Basic and Applied Basic Research Foundation(Grant No.2023A1515030152);Shenzhen Government’s Plan of Science and Technology(Grant Nos.JCYJ20180305124927623,and JCYJ20190808150205481);Hunan Provincial Major Sci-Tech Program(Grant No.2023ZJ1010)。
Bound states in the continuum(BIC)have been widely researched and applied in optics due to their unique electromagnetic response.However,there are still difficulties in predicting and customizing BIC spectra.To addres...
关键词：Goos-Hanchen shift bound states in the continuum deep learning 
Formation of quasi-bound states in the continuum in a single deformed microcavity
《Photonics Research》2024年第11期2651-2659,共9页SHUAI LIU BO-HAN WU JEFFREY HUANG ZHESHEN ZHANG 
National Science Foundation(2317471,2326780)。
Bound states in the continuum(BICs)hold significant promise in manipulating electromagnetic fields and reducing losses in optical structures,leading to advancements in fundamental research and practical applications.D...
关键词：DEFORMED QUASI CONTINUUM 
Tunable lithium niobate metasurfaces for phase-only modulation based on quasi-bound states in the continuum
《Science China(Information Sciences)》2024年第11期371-372,共2页Ruoying KANYANG Cizhe FANG Yibo WANG Xiaoxi LI Xiangyu ZENG Yan LIU Yue HAO Genquan HAN 
supported by National Key R&D Program of China(Grant No.2023YFB4402303);National Natural Science Foundation of China(Grant Nos.62090033,92364204,92264202);the Major Program of Zhejiang Natural Science Foundation(Grant No.LDT23F04024F04);the Fundamental Research Funds for the Central Universities(Grant No.XJSJ24088);the Postdoctoral Fellowship Program of Shaanxi Province(Grant No.2023BSHEDZZ182)。
Tunable Huygens'metasurfaces possess almost arbitrary control over the wavefront,enabling engineered refraction,deflection,focusing,and polarization control in optical systems[1].However,phase-only modulation remains ...
关键词：POLARIZATION TUNABLE PHASE 
Strong light–matter coupling between excitons and chiral quasi-bound states in the continuum in van der Waals metasurfaces
《Chinese Optics Letters》2024年第10期118-127,共10页Zhonghong Shi Houjiao Zhang Zhang-Kai Zhou 
supported by the National Key R&D Program of China(No.2021YFA1400804);the National Natural Science Foundation of China(Nos.12222415 and 12334017);the Guangdong Provincial Natural Science Foundation(No.2024B1515040013);the Guangdong Provincial Quantum Science Strategic Initiative(No.GDZX2305005)。
The study of strong coupling between photonic cavities and excitons has brought about significant advances,varying from fundamental physics to applied science.However,there are several challenges hindering its further...
关键词：strong coupling CHIRALITY bound states in the continuum metasurface 
Resonantly enhanced second-and third-harmonic generation in dielectric nonlinear metasurfaces被引量：1
《Opto-Electronic Advances》2024年第5期5-19,共15页Ji Tong Wang Pavel Tonkaev Kirill Koshelev Fangxing Lai Sergey Kruk Qinghai Song Yuri Kivshar Nicolae C.Panoiu 
supported by the Australian Research Council(Grant No.DP210101292);the International Technology Center Indo-Pacific (ITC IPAC) via Army Research Office (contract FA520923C0023)。
Nonlinear dielectric metasurfaces provide a promising approach to control and manipulate frequency conversion optical processes at the nanoscale,thus facilitating both advances in fundamental research and the developm...
关键词：second-harmonic generation third-harmonic generation bound state in the continuum guided mode resonance all-dielectric metasurfaces nonlinear optics 
Enhanced wide-angle third-harmonic generation in flat-band-engineered quasi-BIC metagratings
《Science China(Physics,Mechanics & Astronomy)》2024年第4期81-87,共7页Yijia Zang Ruoheng Chai Wenwei Liu Zhancheng Li Hua Cheng Jianguo Tian Shuqi Chen 
supported by the National Key Research and Development Program of China(Grant Nos.2021YFA1400601,and 2022YFA1404501);the National Natural Science Fund for Distinguished Young Scholar(Grant No.11925403);the National Natural Science Foundation of China(Grant Nos.12122406,12192253,12274239,12274237,and U22A20258)。
Nonlinear metasurfaces and photonic crystals provide a significant way to generate and manipulate nonlinear signals owing to the resonance-and symmetry-based light-matter interactions supported by the artificial struc...
关键词：nonlinear metasurfaces quasi-bound-state in the continuum angular dispersion third harmonic generation efficiency 
Observation of accurately designed bound states in the continuum in momentum space
《Photonics Research》2024年第4期638-647,共10页JIAJU WU JINGGUANG CHEN XIN QI ZHIWEI GUO JIAJUN WANG FENG WU YONG SUN YUNHUI LI HAITAO JIANG LEI SHI JIAN ZI HONG CHEN 
National Key Research and Development Program of China(2021YFA1400602,2021YFA1400603,2022YFA1404800);National Natural Science Foundation of China(12274325,12234007,12221004,12004284,11974261,91850206);Major Program of National Natural Science Foundation of China(91963212);Science and Technology Commission of Shanghai Municipality(22142200400,21DZ1101500,2019SHZDZX01);Basic and Applied Basic Research Foundation of Guangdong Province(2023A1515011024)。
Bound states in the continuum(BICs)in artificial photonic structures have received considerable attention since they offer unique methods for the extreme field localization and enhancement of light-matter interactions...
关键词：POLARIZATION tuning RESONATOR 
Optical bound states in the continuum in periodic structures:mechanisms,effects,and applications被引量：4
《Photonics Insights》2024年第1期1-26,共26页Jiajun Wang Peishen Li Xingqi Zhao Zhiyuan Qian Xinhao Wang Feifan Wang Xinyi Zhou Dezhuan Han Chao Peng Lei Shi Jian Zi 
supported by the National Natural Science Foundation of China(Nos.12234007,12221004,12321161645,62325501,62135001,12074049,and 12147102);the National Key R and D Program of China(Nos.2022YFA1404804,2021YFA1400603,and 2023YFA1406900);the Major Program of National Natural Science Foundation of China(Nos.T2394480 and T2394481);the Science and Technology Commission of Shanghai Municipality(Nos.22142200400,21DZ1101500,2019SHZDZX01,and 23DZ2260100);the Fundamental Research Funds for the Central Universities(No.2022CDJQY-007);supported by the China National Postdoctoral Program for Innovative Talents(No.BX20230079);the China Postdoctoral Science Foundation(No.2023M740721).
Optical bound states in the continuum(BICs)have recently stimulated a research boom,accompanied by demonstrations of abundant exotic phenomena and applications.With ultrahigh quality(Q)factors,optical BICs have powerf...
关键词：bound state in the continuum light trapping topological charge polarization vortex momentum space light field manipulation photonic crystal slab NANOPHOTONICS 
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