Single-longitudinal-mode dual-wavelength fiber ring laser by incorporating variable saturable absorbers and feedback fiber loops

Single-longitudinal-mode dual-wavelength fiber ring laser by incorporating variable saturable absorbers and feedback fiber loops
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结合可变饱和吸收器和反馈光纤环路的单纵模双波长光纤环形激光器

DOI:
10.1016/j.optcom.2006.12.027
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发表时间:
2007-05
影响因子:
2.4
通讯作者:
Huang, Dexlu
Huang, Dexlu
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Yuan, Xiuhua;Sun, Junqiang;Zhang, Xinliang;Huang, Dexlu

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通过在光纤环形腔中引入反馈光纤环和可变可饱和吸收体,提出并实验验证了一种单纵模双波长光纤环形腔激光器。利用级联光纤光栅、反馈光纤环和低抽运掺铒光纤的共同作用,构成动态超窄带滤波器。单纵模特性不需要超窄带滤波器和精确控制腔长。该方案提供了通过在高速光电探测器中光混合激光波长来产生太赫兹波的可能性。
A single-longitudinal-mode dual-wavelength fiber ring laser is proposed and demonstrated experimentally by introducing feedback fiber loops and a variable saturable absorber in a fiber ring cavity. A dynamic ultra-narrow bandpass filter is formed by the combined interactions of cascaded fiber Bragg gratings, feedback fiber loops and low-pumped erbium-doped fiber. Both ultra-narrow bandpass filter and accurate control for the cavity length are not required for the single-longitudinal-mode performance. The proposed scheme offers a possibility of generating terahertz waves by photomixing the lasing wavelengths in a high-speed photodetector.
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发表时间: 1996
影响因子: 4.7
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