In this article, we’ve theoretically investigated the
application of selective liquid infiltration towards realizing
birefringent Photonic Crystal Fiber (PCF) and its operation
in the single mode region. Birefringence has been created in
a symmetrical structure PCF by infiltrating liquid of certain
refractive indices in diagonally opposite air‐holes. Different
air‐hole fraction along with different infiltrating refractive
indices has been considered towards studying the effect of
the parameters towards birefringence and loss.