Publications (24)
Distinguishing the Topological Charge of Vortex Beam via Fourier Back Plane Imaging with Chiral Gammadion Structure
Yangzhe Guo, Jing Li, Yurui Fang
In recent years, research on the interaction between Orbital Angular Momentum (OAM) and matter has seen a continuous influx of investigations. OAM possesses distinct properties, su…
Plasmonic and photonic enhancement of chiral near fields
Li Hu, Zhiguang Sun, Yingdong Nie +2
A chiral near field with a highly contorted electromagnetic field builds a bridge to match the chiral molecules and light wavelengths with large size differences. It significantly…
Laser-Scrawled Random Plasmonic Metasurface in Nanoseconds for Physical Unclonable Functions
Haining Xu, Yang Zhang, Shenqi Yang +10
Randomness in optical systems emerges as a powerful resource for generating complex, non-deterministic light-matter interactions. In particular, random plasmonic metasurfaces harne…
Quantitatively analyzing intrinsic plasmonic chirality by tracking the interplay of electric and magnetic dipole modes
Li Hu, Yingzhou Huang, Yurui Fang
Plasmonic chirality exhibits great potential for novel nanooptical devices due to the generation of a strong chiroptical response. Previous reports on plasmonic chirality explanati…
Ring gap resonant modes on disk/film coupling system caused by strong interaction
Guodong Zhu, Linhong Qv, Yangzhe Guo +1
Peculiar ring gap modes on the surface of disk close to the metallic thin film are excited in the visible light regime. We apply plasmon hybridization method to illustrate the ring…
Robust topological BIC nanocavities for upconversion directional emission
Yongqi Chen, Ming Zhu, Qingfeng Bian +4
Photonic bound states in the continuum (BICs) provide a revolutionary paradigm for boosting light-matter interactions in integrated nanocavity systems. Nevertheless, precise manipu…
Quantitatively analyzing the mechanism of giant circular dichroism in extrinsic plasmonic chiral nanostructures by the interplay of electric and magnetic dipoles
Li Hu, Xiaorui Tian, Yingzhou Huang +2
The plasmonic chirality has drawn a lot of attention because of the tunable circular dichroism (CD) and the enhancement for the signal of chiral molecules. Different mechanisms hav…
Orbital angular momentum dichroism caused by the interaction of electric-magnetic dipole moments in chiral metal nanoparticles
Yangzhe Guo, Guodong Zhu, Wanlu Bian +2
Circular dichroism (CD) caused by the response of a chiral object to circularly polarized light has been well established, and the strong CD of plasmonic meta-molecules has also be…
Vertical Emission of Blue Light from a Symmetry Breaking Plasmonic Nanocavity-Emitter System Supporting Bound States in the Continuum
Yongqi Chen, Jiayi Liu, Jiang Hu +10
The concept of photonic bound states in the continuum (BICs), introduced in structured metallic surface cavities, provides a crucial mechanism for designing plasmonic open-resonant…
The principle and applications of Fourier back plane imaging
Yurui Fang
Fourier back plane (FBP) imaging technique has been widely used in the frontier research of nanophotonics. In this paper, based on the diffraction theory and wave front transformat…
Coupling Dichroism in Strong-Coupled Chiral Molecule-Plasmon Nanoparticle System
Nan Gao, Haoran Liu, Yurui Fang
The interaction between intense light-matter not only promotes emerging applications in quantum and nonlinear optics but also facilitates changes in material properties. Plasmons c…
Chiral topological whispering gallery modes formed by gyromagnetic photonic crystals
Yongqi Chen, Nan Gao, Guodong Zhu +1
We explore a hexagonal cavity that supports chiral topological whispering gallery (CTWG) modes, formed by a gyromagnetic photonic crystal. This mode is a special type of topologica…
Strong Interaction between Surface Plasmons and Chiral Molecules
Yangzhe Guo, Guodong Zhu, Yurui Fang
In plasmonic chirality, the phenomenon of circular dichroism for achiral nanoparitcles caused by Coulomb interaction between metal nanoparticles (NPs) and chiral molecules have bee…
Activated Vibrational Modes and Fermi Resonance in Tip-Enhanced Raman Spectroscopy
Mengtao Sun, Yurui Fang, Zhenyu Zhang +1
Using p-aminothiophenol (PATP) molecules on a gold substrate as prototypical examples and high vacuum tip-enhanced Raman spectroscopy (HV-TERS), we show that the vibrational spectr…
Heterodimer nanostructures induced energy focusing on metal film
Ting Liu, Jingjing Hao, Yingzhou Huang +3
As an interesting surface plasmon phenomenon discovered several years ago, electromagnetic field redistribution in nanoparticle dimer on film system provides a novel thought to enh…
Ïh-Broken Induced Topological quasi-BIC
Yongqi Chen, Chaofeng Xie, Tongtong Zhu +2
Transitions from bound states in the continuum (BICs) to quasi-BICs (qBICs) are typically realized by introducing in-plane asymmetry, including permittivity asymmetry (ε-qBICs) an…
Fano resonance assisting plasmonic circular dichroism from nanorice heterodimers for extrinsic chirality
Li Hu, Yingzhou Huang, Liang Fang +3
In this work, the circular dichroisms (CD) of nanorice heterodimers consisting of two parallel arranged nanorices with the same size but different materials are investigated theore…
2D wavelength-polarization dispersive microspectroscope based on a hybrid plasmonic helical nanostructure
Zhiguang Sun, Huan Chen, Zhenglong Zhang +4
Microspectrometer features remarkable portability and integration, and is prospected to provide quick detection tools to daily life and revolutionary techniques to researchers. For…
Formation of Enhanced Uniform Chiral Fields in Symmetric Dimer Nanostructures
Xiaorui Tian, Yurui Fang, Mengtao Sun
Chiral fields with large optical chirality are very important in chiral molecules analysis, sensing and other measurements. Plasmonic nanostructures have been proposed to realize s…
Schottky barrier formation and band bending revealed by first principles calculations
Yang Jiao, Anders Hellman, Yurui Fang +2
An atomistic insight into potential barrier formation and band bending at the interface between a metal and an n-type semiconductor is achieved by ab initio simulations and model a…
Resonant surface plasmons of a metal nanosphere can be considered in the way of propagating surface plasmons
Yurui Fang, Xiaorui Tian
Assuming that the resonant surface plasmons on a spherical nanoparticle is formed by standing waves of two counter-propagating surface plasmon waves along the surface, by using Mie…
Quantization of electromagnetic modes and angular momentum on plasmonic nanowires
Guodong Zhu, Yangzhe Guo, Bin Dong +1
Quantum theory of surface plasmons is very important for studying the interactions between light and different metal nanostructures in nanoplasmonics. In this work, using the canon…
Influence of conjugated structure for tunable molecular plasmons in peropyrene and its derivatives
Haoran Liu, Nan Gao, Yurui Fang
Advances in research have sparked an increasing curiosity in understanding the plasmonic excitation properties of molecular-scale systems. Polycyclic aromatic hydrocarbons, as the…
Molecular Plasmon Hybridizition in Olefin Chains
Nan Gao, Guodong Zhu, Yingzhou Huang +1
With the continuous emergence of molecular and cluster devices or systems, the relationship between the plasmonic properties of multiple clusters and molecular interactions and the…