Ultra Low Nonlinearity Pure Silica Core Fiber and its Application to Hybrid Transmission Lines
SOLID-STATE SCIENCE AND TECHNOLOGY LIBRARY(2000)
摘要
Hybrid transmission Lines consisting of dispersion unshifted single mode fiber and dispersion compensating fiber has been explored. For the dispersion unshifted fiber, new design pure silica core fiber with an effective area over 110 mum(2) and attenuation of 0.171 dB/km at 1.55 mum has bee successfully developed. It exhibits ultra low nonlinearity and excellent bending loss performance. Optimum design of the hybrid line employing the new pure silica core fiber has also been examined by tailoring the characteristics of the dispersion compensating fiber. Hybrid transmission lines actually fabricated based on the optimized design exhibit a span loss of 0.205 dB/km, a span dispersion slope of 0.020 ps/nm(2)/km and low nonlinearity with the equivalent effective area of 60 mum(2).
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