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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 
Observation of miniaturized bound states in the continuum with ultra-high quality factors被引量：7
《Science Bulletin》2022年第4期359-366,M0003,共9页Zihao Chen Xuefan Yin Jicheng Jin Zhao Zheng Zixuan Zhang Feifan Wang Li He Bo Zhen Chao Peng 
partly supported by the National Natural Science Foundation of China(61922004 and 62135001);the National Key Research and Development Program of China(2020YFB1806405);the Major Key Project of PCL(PCL2021A14);the Open Fund of the State Key Laboratory of Integrated Optoelectronics;US National Science Foundation through the University of Pennsylvania Material Research Science and Engineering Center(DMR-1720530);US Office of Naval Research(ONR)Multidisciplinary University Research Initiative(MURI)Grant N00014-20-1-2325 on Robust Photonic Materials with High-Order Topological Protection;the US Army Research Office under award contract W911-NF-19-1-0087。
Light trapping is a constant pursuit in photonics because of its importance in science and technology.Many mechanisms have been explored,including the use of mirrors made of materials or structures that forbid outgoin...
关键词：Bound state in the continuum Photonic crystal High-Q cavity Topological photonics 
Ultrafast vortex microlasers based on bounded states in the continuum
《Science Bulletin》2020年第18期1519-1520,M0003,共3页Feihong Lin Salman Ullah Qing Yang 
support from Zhejiang Provincial Natural Science(R17F050003);the National Natural Science Foundation of China(61735017,61822510,and 51672245);the Fundamental Research Funds for the Central Universities;the Program for Zhejiang Leading Team of S&T Innovation;First-Class Universities and Academic Programs;the Collaboration Programme of Zhejiang University and the Top University in the world;Zhejiang University Education Foundation Global Partnership Fund。
Driven by the demand for on-chip integrated sources of structured light in classical and quantum information,significant research efforts have been made to study the ultrafast control of microlasers,especially of on-c...
关键词：VORTEX QUANTUM CONTINUUM 
Trapping light in the continuum-from fantasy to reality
《Science Bulletin》2020年第18期1527-1532,M0003,共7页Chao Peng 
the National Natural Science Foundation of China(61922004)。
Trapping light without absorbing it is of great importance for both science and technology.A conventional way for trapping light is to use some kind of reflecting surface or region,namely a mirror,to forbid light esca...
关键词：RESONATOR LIGHT cavity 
Nonlinear optics in the electron-hole continuum in 2D semiconductors:two-photon transition, second harmonic generation and valley current injection被引量：1
《Science Bulletin》2019年第15期1036-1043,共8页Pu Gong Hongyi Yu Yong Wang Wang Yao 
supported by the Croucher Foundation(Croucher Innovation Award);the Research Grants Council(HKU17305914P,C7036-17W)
We investigate two-photon transitions to the electron-hole scattering continuum in monolayer transition-metal dichalcogenides, and identify two contributions to this nonlinear optical process with opposite circularly ...
关键词：2D SEMICONDUCTORS Nonlinear optics Electron-hole CONTINUUM Two-photon transition Second-harmonic generation VALLEY current injection 
Meta-optics and bound states in the continuum被引量：27
《Science Bulletin》2019年第12期836-842,共7页Kirill Koshelev Andrey Bogdanov Yuri Kivshar 
financial support from the Australian Research Council;the Strategic Fund of the Australian National University;the Alexander von Humboldt Foundation;financial support by the Russian Science Foundation(grant 18-72-10140);financial support by the Ministry of Education and Science of the Russian Federation(3.1500.2017/4.6);support from the Foundation for the Advancement of Theoretical Physics and Mathematics ‘‘BASIS”(Russia)
We discuss the recent advances in meta-optics and nanophotonics associated with the physics of bound states in the continuum(BICs). Such resonant states appear due to a strong coupling between leaky modes in optical g...
关键词：BOUND STATES in the CONTINUUM Meta-optics Second-harmonic GENERATION Nanoresonator Metasurfaces 
Time reversal of a discrete system coupled to a continuum based on non-Hermitian flip被引量：2
《Science Bulletin》2017年第12期869-874,共6页Stefano Longhi 
Time reversal in quantum or classical systems described by an Hermitian Hamiltonian is a physically allowed process, which requires in principle inverting the sign of the Hamiltonian. Here we consider the problem of t...
关键词：Non-Hermitian dynamicsTime reversalLoschmidt echo 
Continuum-based slip model and its validity for micro-channel flows被引量：3
《Chinese Science Bulletin》2006年第9期1130-1137,共8页ZHANG Genxuan LIU Minghou ZHANG Xianfeng YE Taohong CHEN Yiliang WANG Lu 
This work was supported by the National Natural Science Foundation of China （Grant Nos. 50376060 and 10372099）.
In this paper, the low Mach number he- lium and nitrogen flows in micro-channels are inves- tigated numerically with variations of inlet to outlet pressure ratios, aspect ratios, out pressures and fluid mediums by usi...
关键词：微通道 滑移模型 扰动分析 稀疏效应 克努森数 
Conformational analysis on anti-HIV-1 peptide T22 ([Tyr^(5,12),Lys^7]-polyphemusinⅡ)被引量：2
《Chinese Science Bulletin》2001年第20期1685-1688,共4页. SUN Ming, CHE Ye, MIAO Fangming & Garland R. Marshall1. Institute of Chemical Crystallography, Tianjin Normal University, Tianjin 300074, China 2. Center for Molecular Design, Washington University, St. Louis MO 63110, USA 
Sun Ming thanks Prof. Ponder, J. W. and Prof. Nikiforovich, G. V. in Washington University for helpful discussions, ;and Prof. Garland Marshall and the Chinese State Scholarship Council for support.
The conformational scan of anti-HIV peptide T22 ([Tyr5,12, Lys7]-polyphemusin II) backbone on a deformed potential energy surface (PES) was performed using the potential smoothing searching (PSS) protocol. All located...
关键词：T22 ([Tyr5 12 Lys7]-polyphemusin Ⅱ) HIV-1 CONFORMATION PES PSS multi-conformer minimization GB/SA CONTINUUM model. 
Dynamical theory of spectroscopy with pulse excitation——Application to continuum Raman of IBr被引量：1
《Chinese Science Bulletin》1999年第2期139-142,共4页Jing Lu Kangnian Fan Soo-ying Lee 
In the coupling system, the dynamical theory of Raman spectroscopy with pulse excitation was developed, and applied to the continuum Raman of IBr.The structure of Raman excitation profile of IBr was explained, which d...
关键词：PULSE EXCITATION IBR Raman. 
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