High Performance Dispersion-Flattened Hybrid Optical Transmission Lines for Ultra-Large Capacity Transoceanic Systems(Special Issue on Optical Fibers and Devices)

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This paper describes design optimization and performances of hybrid optical transmission lines consisting of effective-area-enlarged pure silica core fiber and dispersion compensating fiber. As a result of the design optimization, considering low nonlinearity and good bending characteristic, the developed fibers exhibit a span average loss of 0.208dB/km a span average dispersion slope of 0.02 ps/nm^2/km and low non-linearity with an equivalent effective area of 60μm^2. Further optimization of the relationship among the nonlinearity, the dis-persion slope and the bending characteristic enables perfectly dispersion-flattened hybrid optical transmission lines exhibiting a low transmission loss of 0.211 dB/km, low nonlinearity with an equivalent effective area of 60 μm^2 and small dispersion deviation of ±0.03 ps/nm/km in a wavelength band wider than 40 nm.
2002-04-01