Abstract

We propose a novel kind of polarization splitter in all-solid photonic crystal fibers based on the mode interference effects. Both the full-vector finite-element method and the semi-vector three-dimensional beam propagation method are employed to design and analyze the characteristics of the splitter. Numerical simulations show that x-polarized and y-polarized modes are split entirely along with 6.8mm long propagation. An extinction ratio of more than 20dB and a crosstalk of less than 20dB are obtained within the wavelength range of 1.5411.556μm. The extinction ratio and the crosstalk at 1.55μm are 28.9 and 29.0dB for x polarization, while the extinction ratio and the crosstalk at 1.55μm are 29.9 and 29.8dB for y polarization, respectively.

© 2010 Optical Society of America

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