Translator Disclaimer
7 March 2014 Polymeric waveguide components for THz quantum cascade laser outcoupling
Author Affiliations +
We study the use of polymeric components to achieve efficient outcoupling of radiation from double-metal-waveguide THz quantum cascade lasers. We employ cyclicolefincopolymer to realize optical fibers with diameters between 60mm and 1000mm, and characterize their absorption coefficient at 2.9THz. We show that assembling a fiber on the facet of a singleplasmon quantum cascade laser improves its far field radiation pattern, making it narrower. We also provide a design of a broadband directional coupler that can be used to couple radiation from a doublemetal quantum cascade laser waveguide into the tapered end of a metal coated optical fiber.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F. Castellano, H. Beere, D. Ritchie, and M. S. Vitiello "Polymeric waveguide components for THz quantum cascade laser outcoupling", Proc. SPIE 8985, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VII, 89851F (7 March 2014);

Back to Top