@article{766921, author = {I. Goyal and R. Gallawa and A. Ghatak}, title = {Improved Variational Analysis of Inhomogeneous Optical Waveguides Using Airy Functions}, year = {1993}, number = {LT-11}, month = {1993-10-01 00:10:00}, publisher = {Journal of Lightwave Technology}, language = {en}, }