Title :
Bent planar waveguides and whispering gallery modes: a new method of analysis
Author :
Goyal, I.C. ; Gallawa, R.L. ; Ghatak, A.K.
Author_Institution :
Nat. Inst. of Stand. & Technol., Boulder, CO, USA
fDate :
5/1/1990 12:00:00 AM
Abstract :
A matrix method for analyzing bent planar optical waveguides is discussed. The method is a modification of an earlier method which yields bend loss directly, inasmuch as a nonuniform refractive index is approximated by a series of linear profiles rather than a series of uniform profiles. The method can be used with absorbing or leaky structures. The effect of whispering gallery modes has also been studied. It appears that a whispering gallery explanation given by H.J. Harris and P.F. Castle (1986) may not be adequate
Keywords :
bending; integrated optics; matrix algebra; optical waveguide theory; refractive index; absorbing structures; bent planar optical waveguides; leaky structures; linear profiles; matrix method; nonuniform refractive index; uniform profiles; whispering gallery modes; Electromagnetic waveguides; Linear matrix inequalities; Optical losses; Optical planar waveguides; Optical waveguides; Physics; Planar waveguides; Refractive index; Transmission line matrix methods; Whispering gallery modes;
Journal_Title :
Lightwave Technology, Journal of
