The growing maturity of nanofabrication has ushered massive sophisticated optical
structures available on a photonic chip. The integration of subwavelength-structured …

Silicon photonics has attracted tremendous interest from academia and industry, as the
fabrication of the silicon family of photonic devices is mostly compatible with the …

In recent years, optical modulators, photodetectors,(de) multiplexers, and heterogeneously
integrated lasers based on silicon optical platforms have been verified. The performance of …

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 …

Silicon photonics is playing a key role in areas as diverse as high-speed optical
communications, neural networks, supercomputing, quantum photonics, and sensing, which …

We show that a metasurface-coated two-dimensional (2D) slab waveguide enables the
generation of arbitrary complex light fields by combining the extreme versatility and freedom …

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 …

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 …

Multimode waveguide crossings (MWCs) are becoming more and more important as one of
the key elements for on‐chip optical routing and cross‐connection. However, it is still very …

Anisotropic metameterials (AM) provide a new avenue for a next-generation silicon platform
to design ultra-compact, densely integrated optical components, thus functional devices …