Characteristics of dispersion-flattened depressed-cladding single-mode fluoride fibers from 1.55 to 3.1 mu m

An analysis of chromatic dispersion in single-mode fluoride fibers is presented. It is shown that it is possible, with a simple depressed-cladding profile, to obtain the necessary flexibility to achieve simultaneously dispersion-flattening and minimum extrinsic losses. Hence, optimum performance is obtained over a broad wavelength region. Dispersion sensitivity to small variations in the design parameters is also reported. Some preliminary comparison is made to present-day silica fibers.<
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