Superscattering of light: fundamentals and applications

C Wang, X Chen, Z Gong, R Chen, H Hu… - Reports on Progress …, 2024 - iopscience.iop.org
Superscattering, theoretically predicted in 2010 and experimentally observed in 2019, is an
exotic scattering phenomenon of light from subwavelength nanostructures. In principle …

Interfacial Cherenkov radiation from ultralow-energy electrons

Z Gong, J Chen, R Chen, X Zhu… - Proceedings of the …, 2023 - National Acad Sciences
Cherenkov radiation occurs only when a charged particle moves with a velocity exceeding
the phase velocity of light in that matter. This radiation mechanism creates directional light …

Low-velocity-favored transition radiation

J Chen, R Chen, F Tay, Z Gong, H Hu, Y Yang… - Physical Review Letters, 2023 - APS
When a charged particle penetrates through an optical interface, photon emissions emerge—
a phenomenon known as transition radiation. Being paramount to fundamental physics …

Advances in triboelectric nanogenerators for self‐powered wearable respiratory monitoring

W Kwak, J Yin, S Wang, J Chen - FlexMat, 2024 - Wiley Online Library
Triboelectric nanogenerators (TENGs) have recently gained attention as a compelling
platform technology for building wearable bioelectronics. Aside from being self‐powered …

Numerical investigation of sequential phase-locked optical gating of free electrons

F Chahshouri, N Talebi - Scientific Reports, 2023 - nature.com
Recent progress in coherent quantum interactions between free-electron pulses and laser-
induced near-field light have revolutionized electron wavepacket sha**. Building on these …

Dipolar Huygens–Kerker radiation for surface waves

X Chen, C Wang, Y Zhong, B Zhang, H Chen, X Lin - Optics Letters, 2024 - opg.optica.org
Exotic dipolar radiation with zero light emission in one direction but maximal light emission
in the opposite direction was envisioned by Huygens in 1690, and it could emerge in …

[HTML][HTML] Investigation of the Abraham–Minkowski dilemma in Smith–Purcell radiation from photonic crystals

S Chen, P Wang, Y Wang, S Huang, L Hou - APL Photonics, 2024 - pubs.aip.org
The debate over whether light's momentum within a medium is accurately described by
Abraham or Minkowski formulation has persisted for over a century. To our knowledge, this …

Multicolor x-rays from free electron–driven van der Waals heterostructures

S Huang, R Duan, N Pramanik, M Go, C Boothroyd… - Science …, 2023 - science.org
The emergence of van der Waals (vdW) heterostructures has led to precise and versatile
methods of fabricating devices with atomic-scale accuracies. Hence, vdW heterostructures …

Free electron emission in vacuum assisted by photonic time crystals

X Gao, X Zhao, X Ma, T Dong - Journal of Physics D: Applied …, 2024 - iopscience.iop.org
Abstract The Cerenkov radiation and Smith–Purcell (SP) effect state that free electron
emission occurs exclusively in dielectrics when the velocity of the particles exceeds the …

Scattering-free plasmonic Brewster effect via metasurfaces

X Zhang, X Cui, T Cai, W Cai, T Low, H Chen… - arxiv preprint arxiv …, 2024 - arxiv.org
The Brewster effect, dating back to the pioneering work of Sir David Brewster in 1815, offers
a crucial route to achieve 100% energy conversion between the incident and transmitted …