The heavy metal oxide glasses containing bismuth such as bismuth sesquioxide show unique high refractive index. In
addition, the bismuth-oxide based glass does not include toxic elements such as Pb, As, Se, Te, and exhibits well
chemical, mechanical and thermal stability. Hence, it is used to fabricate high nonlinear fiber for nonlinear optical
application. Although the bismuth-oxide based high nonlinear fiber can be fusion-spliced to conventional silica fibers
and have above advantages, yet it suffers from large group velocity dispersion because of material chromatic dispersion
which restricts its utility.
In regard to this, the micro-structure was introduced to adjust the dispersion of bismuth-oxide high nonlinear fiber in
the 1550nm wave-band. In this paper, a hexagonal solid-core micro-structure is developed to balance its dispersion and
nonlinearity. Our simulation and calculation results show that the bismuth-oxide based photonic crystal fiber has near
zero dispersion around 1550nm where the optical parametric amplification suitable wavelength is. Its dispersion slop in
the communication wavelength range is also relatively flat. Moreover, both nonlinear coefficient and model filed
distribution were simulated, respectively.