Title :
Failure of scalar analyses in dielectric optical waveguides with perturbed refractive-index profile
Author :
Miyagi, Masaya ; Nishida, Shuichi
Author_Institution :
Tohoku University, Research Institute of Electrical Communication, Sendai, Japan
Abstract :
It is theoretically shown that scalar analyses cannot properly predict the propagation constant of a particular mode in circular dielectric optical waveguides when the angular order of the mode satisfies some condition with respect to the order of the Fourier spectrum of the perturbed refractive-index profile.
Keywords :
guided light propagation; optical waveguide theory; refractive index; Fourier spectrum; dielectric optical waveguides; mode angular order; perturbed refractive-index profile; propagation constant; scalar analyses;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840614
