Study on generation of the multiwavelength laser using the symmetric nonlinear optical loop mirror

被引：0
|
作者：
Tian J. [1 ]
Yao Y. [1 ]
Sun Y. [1 ]
Yu X. [1 ]
Chen D. [1 ,2 ]
机构：
[1] Department of Electronic and Information Engineering, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen
[2] National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin
来源：
Guangxue Xuebao/Acta Optica Sinica | 2010年 / 30卷 / 03期
关键词：
Fiber optics; Lasers; Multiwavelength; Nonlinear optical fiber loop mirror (NOLM); Nonlinear polarization rotation;
D O I：
10.3788/AOS20103003.0787
中图分类号：
学科分类号：
摘要：
The intensity-dependent loss output characteristic of the symmetric nonlinear optical loop mirror (NOLM) can be induced by the nonlinear polarization rotation effect. The application of symmetric NOLM as the intensity equalizer to suppress the mode competition in multiwavelength eribum-doped fiber laser is studied. The influences of both input polarization and birefringence on the output characteristic are analysed. The polarization conditions in this laser cavity are analysed. A multiwavelength eribum-doped fiber laser with this device is porposed and demonstrated successfully. In the L-band 13 lasing wavelengths, with 1nm spacing in 3 dB range, has been obtained, single-wave length power fluctuation of each laser line is less than 0.6 dB within 0.5 h. Both the laser line number and its multiwavlength operation spectral region can be controlled by adjusting the intensity-dependent loss in the cavity.
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页码：787 / 792
页数：5
相关论文
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