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Nonlinear photonic crystal fiber with high birefringence made of silicate glass

We present experimental realization of nonlinear and highly birefringent microstructure fiber fabricated from silicate glass. Using full vector FEM mode solver the numerical analysis of reported fiber is performed and its modal, polarization and dispersive properties are investigated. Particularly, the calculations reveals guidance of two orthogonally polarized eigenmodes with the difference of its effective indexes B=0.0025 for wavelength λ=1.55 μm. Additionally, spectral broadening of the 50 fs Ti:Sapphire laser impulses with average power 150mW coupled into 39 cm section of the fiber is observed.