urgent....matlab code for multilayer division method for bragg fiber.

hi gys

im doin a project on "losses in bragg fiber" and i need a simple matlab source code for "multilayer division method" so that can b useful for my project....

pls if any1 cud help me out, wud b really gr8....
here is a link of the project
http://www.ritsumei.ac.jp/se/re/saka...S_OpEx0802.pdf or mail to shiva2012cm24@gmail.com
i will b thankful to u....