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

Due to the continuous development of terahertz field and material science, terahertz
absorbers have received extensive attention. The paper proposes a tunable absorber film of …

Metasurfaces consisted of subwavelength nanostructures can extremely interact with light
and manipulate the characteristics of amplitude, phase, and polarization. In particular, on …

Photonic systems built on the Silicon-on-Insulator platform exhibit a strong birefringence,
and must thus be operated with a single polarization for most applications. Hence, on-chip …

Silicon photonic integrated circuits routinely require 3-dB optical power dividers with minimal
losses, small footprints, ultra-wide bandwidths, and relaxed manufacturing tolerances to …

Many applications, including optical multiplexing, switching, and detection, call for low-cost
and broadband photonic devices with polarization-independent operation. While the silicon …

As a new type of photonic‐chip light source, quantum dot (QD) lasers have recently received
remarkable attention. However, two significant problems remain to be solved: the high lasing …

Subwavelength grating (SWG) allows flexible tuning of the dispersion of waveguides,
enabling wider bandwidths for directional coupler-based devices. However, its light field …

A compact asymmetrical directional coupler (ADC) based on coupling between a
conventional subwavelength grating (SWG) and a bricked subwavelength grating (BSWG) is …

The multimode power splitter plays an essential role in on-chip mode-division multiplexing
systems. In this work, a broadband dual-mode optical power splitter based on the self …