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A design of double cladding dispersion flattened photonic crystal fiber (DF-PCF) is proposed. To employ traditional stack and draw technology, the cladding of the DF-PCF is consisted of triangular periodic air-holes with the same hole to hole pitch. Simulation results show that the small air-holes in the inner cladding are mainly for dispersion management. The large air-holes in the outer cladding...
The optical waveguide formation in X-cut KTiOPO 4 was achieved by single energy implantation of 3.0 MeV He + to a total dose of 2.0 10 16 ions/cm 2 at liquid nitrogen temperature. The modes were examined by the prism (LiTaO 3 ) coupling method. The analysis of the refractive index profile in the KTiOPO 4 (100) waveguide was performed based...
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