Title :
Efficient coupling to metal-dielectric-metal plasmonic waveguides with subwavelength slit structures
Author :
Huang, Yin ; Min, Changjun ; Veronis, Georgios
Author_Institution :
Dept. of Electr. & Comput. Eng., Louisiana State Univ., Baton Rouge, LA, USA
Abstract :
We introduce compact micron-scale slit structures for incoupling free space light into subwavelength metal-dielectric-metal plasmonic waveguides. An optimized two-slit coupler leads to ~3.3 transmission enhancement compared to the optimized single-slit coupler.
Keywords :
nanophotonics; optical waveguides; plasmonics; surface plasmons; guided transverse electric; mode converters; plasmonic optical nanocircuits; sub-wavelength plasmonic waveguides; surface plasmon amplification; transverse magnetic modes; Couplers; Couplings; Diffraction gratings; Optical waveguides; Periodic structures; Planar waveguides; Plasmons;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
