Experimental Investigation on Dual Wavelength High-Frequency Chaos Generation and Synchronization

Experimental Investigation on Dual Wavelength High-Frequency Chaos Generation and Synchronization
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双波长高频混沌产生与同步的实验研究

DOI:
10.1088/0256-307x/22/12/012
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发表时间:
2005-12
影响因子:
3.5
通讯作者:
--
中科院分区:
物理与天体物理3区
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--
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在环形腔掺铒光纤激光器中,利用可调谐滤波器(TF)选择波长,产生了基于非线性效应的双波长高频混沌。具有开环结构的接收光纤激光器被构造成具有与发射光纤激光器相同的参数。通过调谐接收光纤激光器中的传输函数和光纤延迟线,在混沌传输超过1km后,在两个波长的任何一个波长上都观察到了混沌同步。因此,构建大容量的混沌通信系统具有重要意义。
Dual wavelength high-frequency chaos based on nonlinear effects is generated in an erbium-doped fibre ring laser, where tunable filters (TFs) are used to select the wavelength. A receiving fibre laser with an open-loop structure is constructed with identical parameters as the transmitting fibre laser. By tuning the TFs and the fibre delay line in the receiving fibre laser, chaos synchronization has been observed at anyone the two wavelengths after the chaos is transmitted over 1 km. It is of far reaching importance to construct the high capacity chaos communication system.
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