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Characteristics of core and cladding modes in a solid-core photonic crystal fiber (PCF) with C6V symmetry are numerically analyzed using a finite element method. An inner cladding with a step index profile is used in place of a holey cladding in the calculation. It is found that light cannot be confined only in the inner cladding region. Some cladding modes do not exist in the presence of outer silica...
We propose and analyze a novel design of photonic crystal fiber that allows simultaneous single-polarization single-mode guidance in two wavelength windows centered at 1.55 and 1.31 μm by using a finite-element method.
A surface long-period fiber grating based on a D-shaped photonic crystal fiber (PCF) is proposed and their optical properties such as temperature and ambient index sensitivities.
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