Effects of pulse chirp on supercontinuum produced in dispersion decreasing fibre

Effects of pulse chirp on supercontinuum produced in dispersion decreasing fibre
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DOI：
10.1088/1009-1963/11/6/311
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发表时间：
2002-06
期刊：
Chinese Physics
影响因子：
--
通讯作者：
Yue Wu;C. Lou;M. Han;Tong Wang;Yizhi Gao
Yue Wu;C. Lou;M. Han;Tong Wang;Yizhi Gao
中科院分区：
其他
文献类型：
--
作者：
Yue Wu;C. Lou;M. Han;Tong Wang;Yizhi Gao

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超连续谱光源在光时分复用（WDM/OTDM）传输系统中起着关键作用。色散渐减光纤（DDF）中产生的SC比色散位移光纤（DSF）中产生的SC宽而平坦。本文对DDF中的超连续谱产生过程进行了数值模拟，初步研究了泵浦脉冲啁啾对超连续谱宽度和平坦度的影响，并给出了相应的理论解释。特别地，我们分析和比较了不同啁啾脉冲泵浦下SC沿着DDF的演化。得到了一些有价值的结论。
The supercontinuum (SC) source plays a key role in wavelength division multiplexing over the optical time division multiplexing (WDM/OTDM) transmission system. The SC produced in dispersion decreasing fibre (DDF) is wider and flatter than that produced in dispersion shifted fibre (DSF). In this paper, a SC producing process in DDF is numerically simulated, the effects of pump pulse chirp on the SC width and flatness are initially studied and the corresponding theoretical explanations are given. Particularly, we have analysed and compared the evolutions of the SC along DDF pumped by different chirp pulses. Several valuable conclusions are obtained.