Title :
Scattering-probe-imaging of the field confinement on tapered metal-wire waveguides
Author :
Astley, Victoria ; Zhan, Hui ; Mendis, Rajind ; Mittleman, Daniel M.
Author_Institution :
Dept. of Electr. & Comput. Eng., Rice Univ., Houston, TX, USA
Abstract :
Using a recently developed scattering-probe-imaging technique, we observe strong confinement of the THz electric field at the end of a tapered metal-wire waveguide compared to an un-tapered wire. This confinement agrees well with FEM simulations.
Keywords :
finite element analysis; light scattering; optical images; optical waveguides; terahertz wave devices; FEM simulation; finite element analysis; scattering-probe-imaging technique; tapered metal-wire waveguide; terahertz electric field confinement; terahertz waveguide; Numerical simulation; Optical attenuators; Optical coupling; Optical scattering; Optical waveguide theory; Optical waveguides; Photoconductivity; Probes; Waveguide lasers; Wire; (230.7370) Waveguides; (320.7150) Ultrafast spectroscopy;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8