Multimode silicon photonics is attracting more and more attention because the introduction
of higher-order modes makes it possible to increase the channel number for data …

Metasurfaces, 2D artificial arrays of subwavelength elements, have attracted great interest
from the optical scientific community in recent years because they provide versatile …

A Luneburg lens with a gradient index distribution is an aberration-free and coma-free
spherical lens. It has wide applications ranging from invisibility cloaks, illusion optics, and …

On-chip integrated mode-division multiplexing (MDM) is an emerging technique for large-
capacity data communications. In the past few years, while several configurations have been …

Multimode devices and components have attracted considerable attention in the last years,
and different research topics and themes have emerged very recently. The multimodality can …

The polarization beam splitter (PBS) is an essential component in the polarization diversity
circuit to overcome the strong polarization dependence of silicon nanophotonic devices …

On-chip mode-manipulation is one of the most important physical fundamentals for many
photonic integrated devices and circuits. In the past years, great progresses have been …

Photonic signal processing is essential in the optical communication and optical computing.
Numerous photonic signal processors have been proposed, but most of them exhibit limited …

The multi-dimensional multiplexing technology is very promising for further increasing the
link capacity of optical interconnects. A 96-channel silicon-based on-chip reconfigurable …

Mode-division multiplexing is a promising and cost-effective way to increase the
communication capability of integrated photonic circuits, for both classical and quantum …