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A holey fiber with round lattice is squeezed into a hotkey fiber with elliptical lattice and the results show that the squeezed fiber's birefringence is up to 10−2 in 1.5 ∼ 2.0μΜ wavelength range. Because of the 360 degree symmetry of the holey fiber with round lattice, it does not require deliberately to adjust the direction of extrusion when the fiber is squeezed. Thus the difficulty of fabricating...
The impact of lateral deformation on dispersion characteristics of birefringence and polarization beat-length in holey fiber with rhomb lattice was simulated by full-vector finite difference beam propagation method. It is found that proper lateral deformation in this fiber can effectively suppress the nonlinear change of birefringence with wavelength. The expanded linear range can make the polarization...
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