Title :
The unperturbed structure in the coupled mode theory of waveguide gratings
Author :
Kamali, Seyedeh Mahsa ; Arbabi, Ehsan ; Goddard, Lynford L.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Illinois at Urbana-Champaign, Urbana, IL, USA
Abstract :
We present simulation results demonstrating importance of the chosen unperturbed structure for coupled mode theory calculations in waveguide gratings. We show that even in simple distributed Bragg reflectors, using the plain waveguide causes considerable inaccuracies.
Keywords :
coupled mode analysis; distributed Bragg reflectors; optical waveguide theory; coupled mode theory; distributed Bragg reflectors; plain waveguide; unperturbed structure; waveguide gratings; Couplings; Distributed Bragg reflectors; Gratings; Optical waveguides; Permittivity; Reflection;
Conference_Titel :
Photonics Conference (IPC), 2014 IEEE
Conference_Location :
San Diego, CA
DOI :
10.1109/IPCon.2014.6995288
