300 GHz directional coupler enabled by effective-media

N Xenidis, J Oberhammer… - 2024 54th European …, 2024 - ieeexplore.ieee.org
In this paper, we present a THz 3-dB evanescent wave directional coupler, operating at 300
GHz based on the silicon micromachining waveguides surrounded by effective-medium with …

Integrated Luneburg and Maxwell fisheye lenses for the terahertz range

D Headland, W Withayachumnankul… - … Waves (IRMMW-THz …, 2019 - ieeexplore.ieee.org
Micro-scale silicon photonic crystal waveguides show promise to realize efficient terahertz
photonic circuits. Monolithically-integrated gradient-index optics expand the functionality of …