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

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

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 …

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 …

摘要超表面可被设计应用于波前的空间变换, 二维周期性光学超表面结构的研究主要集中于调控
光在自由空间中传播的波前. 为了操控片上光信号传输的自由度, 实现小尺寸 …

Mode-division multiplexing (MDM) technology has drawn tremendous attention for its ability
to expand the link capacity within a single-wavelength carrier, paving the way for large-scale …

The polarization beam splitter (PBS) is a pivotal element in the polarization management of
free‐space optical instruments and systems. Photonic integrated circuits for sensing …

Subwavelength structures such as subwavelength gratings (SWGs) and subwavelength
metamaterials are capable of tailoring the optical properties of materials and controlling the …

As the key element for optical systems, polarization controllers with versatile functionalities
are highly desired. Here, a CMOS-compatible polarization switch is proposed and realized …

Polarization manipulation is essential in photonic integrated circuits and has numerous
applications in various fields, such as optical communication, nonlinear optics, and quantum …