The ability to study single particles has revolutionized nanoscience. The advantage of single
particle spectroscopy measurements compared to conventional ensemble studies is that …

In the past decade, optical orbital angular momentum (OAM) has entered the field of
plasmonics in the form of surface-confined vortices, generating vast interest. Here we give …

We experimentally and theoretically visualize the propagation of short-range surface
plasmon polaritons using atomically flat single-crystalline gold platelets on silicon …

We designed and realized a metasurface (manipulating the local geometry) spiral
(manipulating the global geometry) plasmonic lens, which fundamentally overcomes the …

A skyrmion is a topologically protected soliton with a spin structure on the micro/nano scale
that has promising applications in magnetic information storage and spintronics devices …

Near-field optics, with the capability for nanoscale manipulation of photons and
enhancement of light-matter interactions, has drawn tremendous attentions in recent years …

Free electrons can efficiently absorb or emit plasmons excited in a thin conductor, giving rise
to multiple energy peaks in the transmitted electron spectra separated by multiples of the …

Sha** and controlling electromagnetic fields at the nanoscale is vital for advancing
efficient and compact devices used in optical communications, sensing and metrology, as …

Metasurfaces consisting of planar subwavelength structures with minimal thickness are
appealing to emerging technologies such as integrated optics and photonic chips for their …

Focusing light at the nanoscale has become a key factor in super-resolution applications.
Dynamic control of this focusing can open new avenues in nanoelectronics and bioimaging …