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日本电报电话公司尖端技术综合研究所研制出用于１０００信道以上的多波长通信用高密度多波长光源（超连续光源）。此光源利用高功率光脉冲通过非线性光学介质时产生光谱的超宽带现象（超连续现象）。超连续光源的非线性光学介质用石英玻璃光纤，脉冲光源用重复率１２．５ Ｇ
Nippon Telegraph and Telephone Corporation’s Advanced Technology Institute has developed a high-density, multi-wavelength light source (supercontinuum light source) for multi-wavelength communications over 1000 channels. This light source utilizes the ultra-wideband phenomenon (supercontinuum) of the spectrum that results when high-power light pulses pass through a non-linear optical medium. Supercontinuum source for non-linear optical media Quartz glass fiber, pulsed light source with a repetition rate of 12.5 G