Abstract:The analytical formulas of dispersion and mode field radii variation due to the preformfiber drawing ratio (s) and the core-clad index difference (Δn) is derived to approach low loss dispersion-flattened fibers with multiple-cladding. If s2Δn is constant, bend and splice loss will be approximately invariant; both lowering s and raising Δn will lower the dispersion curve. This approach can result in great waveguide dispersion without increasing loss; if s Δn is enlarged, the dispersion curve can be designed to … Show more
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