hi dhimen kakati,,
as you seems to to be interested in the dispersion compensation techniques;
OPC and holey fiber..
opc;
opc has the very long history 1951 and was first used in mirrors ,lenses .
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwjb2-CC2fHLAhXCHx4KHfxEBicQFggtMAI&url=http%3A%2F%2Fwww.physics.iitm.ac.in%2F~cvijayan%2Fopc-review.pdf&usg=AFQjCNF3J3fM9Eg4eLI5VuKQAiIN8YSd6A&sig2=A_AS52MW-USEFt-2qFmmlQ&bvm=bv.118443451,d.dmo
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&cad=rja&uact=8&ved=0ahUKEwjb2-CC2fHLAhXCHx4KHfxEBicQFghEMAc&url=http%3A%2F%2Flibrary.lanl.gov%2Fcgi-bin%2Fgetfile%3F00285789.pdf&usg=AFQjCNF8UCEm3NEmJsEIv94S4GfTekPvWg&sig2=I27FeNLOKNmz5PF3-xuFOQ&bvm=bv.118443451,d.dmo
with regards