Inverse design of a Si-based high-performance vertical-emitting meta-grating coupler on a 220 nm silicon-on-insulator platform

J Yoon, JY Kim, J Kim, H Yoon, B Neşeli… - Photonics …, 2023 - opg.optica.org
Efficient extraction of light from a high refractive index silicon waveguide out of a chip is
difficult to achieve. An inverse design approach was employed using the particle swarm …

Nanomembrane blazed grating coupler for vertical fiber-chip interface

X Liu, R Guo, S Zhang, Z Zhang, J Wang, T Liu… - Applied Physics …, 2024 - pubs.aip.org
Mid-infrared (mid-IR) silicon photonics holds promising applications for the Internet of
Things, LiDAR, and optical communications. Perfectly vertical grating couplers are superior …

High-Efficiency Unidirectional Dual-Wavelength-Band Grating Coupler with 1D Subwavelength Structure

H Tan, B Chen, Y Zhao, S Gao… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
A unidirectional dual-wavelength-band grating coupler with one-dimensional (1D)
subwavelength structures is proposed and experimentally demonstrated. Inverse …

Dual-band achromatic metalens-assisted grating couplers for wavelength demultiplexing

Y Qu, L Lei, Y Yu, X Zhang, P Xu, Z Qian - Optics Express, 2023 - opg.optica.org
The design of grating couplers (GCs) that can (de) multiplex and couple arbitrarily defined
spatial light into photonic devices is crucial for miniaturized integrated chips. However …