365 citations · 2.4k across the 65 of their papers we have counts for
65 papers
Breakdown of effective-medium theory by a photonic spin Hall effect
Shuaijie Yuan, Xinxing Zhou, Yu Chen +6
Effective-medium theory pertains to the theoretical modelling of homogenization, which aims to replace an inhomogeneous structure of subwavelength-scale constituents with a homogen…
Free-electron Brewster radiation
Ruoxi Chen, Jialin Chen, Zheng Gong +7
Free-electron radiation offers an enticing route to create light emission at arbitrary spectral regime. However, this type of light emission is generally weak, which is intrinsical…
Recent advances of transition radiation: fundamentals and applications
Ruoxi Chen, Zheng Gong, Jialin Chen +4
Transition radiation is a fundamental process of light emission and occurs whenever a charged particle moves across an inhomogeneous region. One feature of transition radiation is…
Dipole-matter interactions governed by the asymmetry of Maxwell equations
Yuhan Zhong, Chan Wang, Chenxu Bian +8
Directionally molding the near-field and far-field radiation lies at the heart of nanophotonics and is crucial for applications such as on-chip information processing and chiral qu…
Low-velocity-favored transition radiation
Jialin Chen, Ruoxi Chen, Zheng Gong +8
When a charged particle penetrates through an optical interface, photon emissions emerge - a phenomenon known as transition radiation. Being paramount to fundamental physics, trans…
Bulk-plasmon-mediated free-electron radiation beyond the conventional formation time
Fuyang Tay, Xiao Lin, Xihang Shi +3
Free-electron radiation is a fundamental photon emission process that is induced by fast-moving electrons interacting with optical media. Historically, it has been understood that,…
Observation of Topological Corner State Arrays in Photonic Quasicrystals
Aoqian Shi, Yiwei Peng, Jiapei Jiang +8
Recently, the studies of topological corner states (TCSs) are extended from crystals to quasicrystals, which are referred to as higher-order topological quasicrystalline insulators…
Demonstration of broadband topological slow light
Fujia Chen, Haoran Xue, Yuang Pan +12
Slow-light devices are able to significantly enhance light-matter interaction due to the reduced group velocity of light, but a very low group velocity is usually achieved in a nar…
Observation of Dirac hierarchy in three-dimensional acoustic topological insulators
Linyun Yang, Yin Wang, Yan Meng +12
Dirac cones (DCs) play a pivotal role in various unique phenomena ranging from massless electrons in graphene to robust surface states in topological insulators (TIs). Recent studi…
Observation of 2D Cherenkov radiation
Yuval Adiv, Hao Hu, Shai Tsesses +8
For over 80 years of research, the conventional description of free-electron radiation phenomena, such as Cherenkov radiation, has remained unchanged: classical three-dimensional e…
Wide-angle giant photonic spin Hall effect
Zhihao Chen, Yu Chen, Yaodong Wu +5
Photonic spin Hall effect is a manifestation of spin-orbit interaction of light and can be measured by a transverse shift λof photons with opposite spins. The precise measurement o…
Generation of Accelerating Waves in Smith-Purcell Radiation
Liqiao Jing, Dashuang Liao, Jie Tao +2
Metasurface has recently emerged as a powerful platform to engineer wave packets of free electron radiation at the mesoscale. Here, we propose that accelerating waves can be genera…
Observation of topologically enabled complete polarization conversion
Fujia Chen, Zhen Gao, Li Zhang +8
Exploiting topological ideas has been a major theme in modern photonics, which provides unprecedented opportunities to design photonic devices with robustness against defects and f…
A perspective of twisted photonic structures
Jialin Chen, Xiao Lin, Mingyuan Chen +3
Moire superlattices-twisted van der Waals (vdW) structures with small angles-are attracting increasing attention in condensed matter physics, due to important phenomena revealed th…
Non-Hermitian skin effect and delocalized edge states in photonic crystals with anomalous parity-time symmetry
Qinghui Yan, Hongsheng Chen, Yihao Yang
Non-Hermitian skin effect denotes the exponential localization of a large number of eigen-states in a non-Hermitian lattice under open boundary conditions. Such a non-Hermiticity-i…
Polarization-Orthogonal Nondegenerate Plasmonic Higher-Order Topological States
Yuanzhen Li, Su Xu, Zijian Zhang +10
Photonic topological states, providing light-manipulation approaches in robust manners, have attracted intense attention. Connecting photonic topological states with far-field degr…
Topological chiral edge states in deep-subwavelength valley photonic metamaterials
Rui Xi, Qiaolu Chen, Qinghui Yan +5
Topological valley photonics has emerged as a new frontier in photonics with many promising applications. Previous valley boundary transport relies on kink states at internal bound…
Unconventional Weyl exceptional contours in non-Hermitian photonic continua
Qinghui Yan, Qiaolu Chen, Li Zhang +3
Unconventional Weyl points with topological charges higher than 1 can transform into various complex unconventional Weyl exceptional contours under non-Hermitian perturbations. How…
A Brewster route to Cherenkov detectors
Xiao Lin, Hao Hu, Sajan Easo +10
The Cherenkov effect enables a valuable tool, known as the Cherenkov detector, to identify high-energy particles via the measurement of the Cherenkov cone. However, the sensitivity…
Diffusive Topological Transport in Spatiotemporal Thermal Lattices
Guoqiang Xu, Yihao Yang, Xue Zhou +3
Topological insulating phases are usually found in periodic lattices stemming from collective resonant effects, and it may thus be expected that similar features may be prohibited…
Second-order correlation function supported optical sensing for particle detection
T. Wang, C. Jiang, J. Zou +6
We propose a new sensing method based on the measurement of the second-order autocorrelation of the output of micro- and nanolasers with intensity feedback. The sensing function is…
Quasi-BIC laser enabled by high-contrast grating resonator for gas detection
H. Zhang, T. Wang, J. Tian +9
In this work, we propose and numerically investigate a two-dimensional microlaser based on the concept of bound states in the continuum (BIC). The device consists of a thin gain la…
Emerging chiral optics from chiral interfaces
Xinyan Zhang, Yuhan Zhong, Tony Low +2
Twisted atomic bilayers are emerging platforms for manipulating chiral light-matter interaction at the extreme nanoscale, due to their inherent magnetoelectric responses induced by…
Acoustic non-Hermitian skin effect from twisted winding topology
Li Zhang, Yihao Yang, Yong Ge +11
The recently discovered non-Hermitian skin effect (NHSE) manifests the breakdown of current classification of topological phases in energy-nonconservative systems, and necessitates…