Subwavelength grating waveguides represent a flexible and perspective alternative to
standard silicon-on-insulator nanophotonic waveguides. In such structures, waves …

A non-periodic concentric circular high index contrast grating (CC-HCG) focusing reflector
on 500 nm silicon-on-insulator (SOI) platform is fabricated and experimentally demonstrated …

A subwavelength structure deposited on top of a silicon strip is utilized as a novel tool for
dispersion engineering. The equivalent refractive index of the subwavelength structure can …

为了满足集成微波光子学的发展需要, 随着硅基光子学的发展, 硅基亚波长光栅波导被提出并
受到关注. 硅基亚波长光栅具备灵活度高, 折射率可调等特性, 主要用于实现光学滤波器, 调制器 …

In this contribution, fundamentals of both periodic rigorous coupled wave analysis (RCWA)
technique as well as aperiodic (aRCWA) techniques will be reviewed, starting with standard …

In this Letter, we demonstrate a new, to the best of our knowledge, kind of photonic
waveguide, in which the light propagates in the overlap of sub-wavelength patterned …

We investigate the role of one subwavelength-size grating of silver as a reflector at different
angular positions of InAs-based subwavelength grating (SWG) and non-SWG microring …

Heterogeneous integration of III-V lasers on Silicon on Insulator (SOI) is crucial for next-
generation optical interconnects. However, reducing the footprint of the couplers between III …

Wavelength-selective photonic devices are important in several fields. Moreover, fabrication
variations are often responsible for the decreased experimental performance of photonic …

In this paper, we present a design method for bi-layered composite gratings to achieve high
diffraction efficiency. These composite gratings feature strong near-field coupling between …