Abstract
A polarization-dependent supercontinuum spectrum source of light from the UV to infrared region has been generated in our photonic crystal fiber with birefringence B = 2.23×10−3. By tuning the polarization direction of the input pulse, it is found that the width of the supercontinuum spectrum changes dramatically with the input polarization directions. At the same time, we qualitatively explain the blue-shift peak and the red-shift peak in the experimental spectrum using phase matching conditions on dispersive waves, stoke waves and the pump wave. In addition, we also found that supercontinuum spectrum generation, to some extent, is dependent on the pump wavelength and average power of the pump. The spectrum is broadened with the increase of average power, but unchanged after average power reaches a certain value; when the pump wavelength is located in the anomalous dispersion and further away from the zero-dispersion wavelength, the spectrum of the supercontinuum is wider.
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