404 citations · 551 across the 12 of their papers we have counts for
12 papers
The hidden spin-momentum locking and topological defects in unpolarized light fields
Peng Shi, Min Lin, Xinxin Gou +3
Electromagnetic waves characterized by intensity, phase, and polarization degrees of freedom are widely applied in data storage, encryption, and communications. However, these prop…
Topological state transitions in electromagnetic topological defects
Peng Shi, Qiang Zhang, Xiaocong Yuan
The recent emergence of electromagnetic topological defects has attracted wide interest in fields from topological photonics to deep-subwavelength light-mater interactions. Previou…
Spin/momentum properties of the paraxial optical beams
Peng Shi, Heng Li, Luping Du +1
Spin angular momentum, an elementary dynamical property of classical electromagnetic fields, plays an important role in spin-orbit and light-matter interactions, especially in near…
Optical skyrmions and other topological quasiparticles of light
Yijie Shen, Qiang Zhang, Peng Shi +3
Skyrmions are topologically stable quasiparticles that have been predicted and demonstrated in quantum fields, solid-state physics, and magnetic materials, but only recently observ…
Intrinsic spin-momentum dynamics of surface electromagnetic waves in complex dispersive system
Peng Shi, Xinrui Lei, Qiang Zhang +3
Spin-momentum locking is an intrinsic property of surface electromagnetic fields and its study has led to the discovery of photonic spin lattices and diverse applications. Previous…
Spin decomposition and topological properties in a generic electromagnetic field
Peng Shi, Aiping Yang, Xiaojin Yin +3
Electromagnetic spins, including longitudinal and transverse ones, have been playing important roles in light-matter interactions. Here, we formulate a unified equation to uncover…
Mapping the near-field spin angular momenta in the structured surface plasmon polaritons field
Congcong Li, Peng Shi, Luping Du +1
Optical spin angular momenta in a confined electromagnetic field exhibit remarkable difference with their free space counterparts, in particular, the optical transverse spin that i…
Effects of Fano resonance on optical chirality of planar plasmonic nanodevices
Yongsop Hwang, Seojoo Lee, Sejeong Kim +2
The effects of Fano resonance on the optical chirality of planar plasmonic nanodevices in the visible wavelength range are experimentally observed and theoretically explained. The…
Optical chirality from dark-field illumination of planar plasmonic nanostructures
Yongsop Hwang, Ben Hopkins, Dapeng Wang +4
Dark-field illumination is shown to make planar chiral nanoparticle arrangements exhibit circular dichroism in extinction analogous to true chiral scatterers. Circular dichrosim is…
Label-free three-dimensional (3D) structural imaging in live cells using intrinsic optical refractive index
Chen Liu, Michael Malek, Ivan K. H. Poon +10
Here we report a method for visualization of volumetric structural information of live biological samples with no exogenous contrast agents. The process is made possible through a…
Active sorting of orbital angular momentum states of light with cascaded tunable resonators
Shibiao Wei, Stuart K. Earl, Xiao-Cong Yuan +2
Light carrying orbital angular momentum (OAM) has been shown to be of use in a disparate range of fields ranging from astronomy to optical trapping, and as a promising new dimensio…
Mode-matching metasurfaces: coherent reconstruction and multiplexing of surface waves
Jiao Lin, Qian Wang, Guanghui Yuan +3
Metasurfaces are promising two-dimensional metamaterials that are engineered to provide unique properties or functionalities absent in naturally occurring homogeneous surfaces. Her…