Characteristics of dual-shape core fiber with an alpha-index center core.
The bending-loss and dispersion-sensitivity characteristics of a dispersion-shifted dual-shape core fiber with an alpha index center core are described. Calculations show that these characteristics can be improved by decreasing a and that a bend-optimized, dual-shaped core fiber exhibits a small bending loss and a large mode field diameter.
Kuwaki
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NTT Electrical Communications Laboratories, Tokai, Ibaraki-ken 319-11 Japan.
Ohashi
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M
Tanaka
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C
Uesugi
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N