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A novel of photonic crystal fiber (PCF) is proposed which is composed of a central defect core and cladding with elliptical air-holes along the fiber length. And two circle air-holes is enlarged in the near to central region to reduce core size and induce higher nonlinear. Its dispersion, birefringence and nonlinearity coefficient are investigated simultaneously by using the full vectorial finite...
We explore the polarization properties of elliptical-hole rectangular lattice photonic crystal fibers (PCFs) with elliptic fiber core based on polymer. The optical birefringence and polarization-dependent leakage loss are studied numerically based on the full-vector finite element method. Numerical results show that by using the proposed structure, a heightened modal birefringence of the order of...
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