Characterization of low-loss waveguides and devices for terahertz radiation

B. M. A. Rahman; Christos Markides; Mohammad Uthman; Anita Quadir; Namassivaye Kejalakshmy; Christos Themistos

doi:10.1117/1.OE.53.3.031210

10 March 2014 Characterization of low-loss waveguides and devices for terahertz radiation

B. M. A. Rahman, Christos Markides, Mohammad Uthman, Anita Quadir, Namassivaye Kejalakshmy, Christos Themistos

Author Affiliations +

Optical Engineering, Vol. 53, Issue 3, 031210 (March 2014). https://doi.org/10.1117/1.OE.53.3.031210

Abstract

A rigorous full-vectorial modal solution approach based on the finite element method is used to find the propagation properties of terahertz (THz) waveguides, such as photonic crystal fibers, quantum cascaded lasers, plasmonic waveguides, power splitters, and narrow-band filters. Design approaches to reduce the modal loss due to the material and leakage loss in photonic crystal fibers and in metal-coated hollow-glass plasmonic waveguides have also been considered. The plasmonic confinement and gain threshold of quantum cascaded lasers used as THz sources and the chromatic dispersion in plasmonic waveguides are also presented.

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B. M. A. Rahman, Christos Markides, Mohammad Uthman, Anita Quadir, Namassivaye Kejalakshmy, and Christos Themistos "Characterization of low-loss waveguides and devices for terahertz radiation," Optical Engineering 53(3), 031210 (10 March 2014). https://doi.org/10.1117/1.OE.53.3.031210

Published: 10 March 2014

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