Ultra-Long Haul L-Band WDM Transmission over a Standard Single-Mode Fibre Loop Using DCF+CFBG Hybrid Dispersion Compensation
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TONG Zhi,
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JIAN Shui-Sheng,
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WANG Guang-Quan,
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CEN Hong,
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LI Ju-Hao,
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ZHENG Lei,
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CHEN Zhang-Yuan,
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WANG Zi-Yu,
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ZHU Li-Xin,
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XU An-Shi,
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HUANG Guang-Ming,
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ZHU Ya-Ming,
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WEI Huai,
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NING Ti-Gang,
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LIU Yan,
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TAN Zhong-Wei
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Abstract
We demonstrate a 10.7Gb/s-line-rate L-band wavelength-division-multiplexer (WDM) loop transmission over a 1890-km standard single-mode fibre (SSMF) with a 100-km amplifier spacing as well as non-return-to-zero (NRZ) format. The dispersion compensating fibre (DCF) plus chirped fibre Bragg grating (CFBG) is employed for hybrid inline dispersion compensation. The power penalty of each channel is less than 3dB after three-loop transmission. The experimental results show that high-performance CFBGs can be successfully used in ultra-long haul (>1000km) WDM systems. We also point out that the all-CFBG compensation scheme is not suitable for re-circulating loop transmissions.
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