Title :
Long-Period Gratings Based on Surface Plasmon Polariton Waveguides in Fluorinated Polymer
Author :
Jiang, Jia ; Callender, Claire L. ; Jacob, Sarkis
Author_Institution :
Commun. Res. Centre, Ottawa, ON, Canada
Abstract :
This letter presents devices composed of long-period gratings and long-range surface plasmon polariton waveguides. The waveguide is formed by embedding a thin Au stripe in a low optical absorption perfluorocyclobutane polymer. The grating structure is created on a corrugated silica substrate and then transferred to the polymer layer, producing a periodic modulation of refractive index along the waveguide. Strong grating resonances are observed. The coupling mechanism and the device thermal dependence are examined.
Keywords :
diffraction gratings; gold; optical modulation; optical polymers; optical waveguides; polaritons; refractive index; surface plasmon resonance; Au; SiO2; corrugated silica substrate; coupling mechanism; device thermal dependence; grating resonance; grating structure; long-period gratings; long-range surface plasmon polariton waveguides; low optical absorption perfluorocyclobutane polymer; periodic modulation; polymer layer; refractive index; thin stripe; Gold; Gratings; Optical surface waves; Optical waveguides; Polymers; Surface waves; Long-period grating; polymer; resonance; surface plasmon polariton; waveguide;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2012.2224329
