Terahertz Slab-Mode Beam Launchers using Photonic Crystal Waveguides and Integrated Optics

Abstract

Terahertz systems typically depend on free-space optics, which are bulky and require manual alignment. We propose slab-mode beams using photlithographically-etched integrated optics as a replacement, and experimentally demonstrate two photonic crystal waveguide-fed slab-mode beam launchers.