A linear cavity multiwavelength fiber laser with adjustable lasing line number for fixed spectral regions

被引：8
|
作者：
Tian, J. J. [1 ]
Yao, Y. [1 ]
机构：
[1] Harbin Inst Technol, Shenzhen Grad Sch, Dept Elect & Informat Engn, Shenzhen 518055, Guangdong, Peoples R China
来源：
LASER PHYSICS | 2011年 / 21卷 / 03期
关键词：
ERBIUM-DOPED FIBER; NONLINEAR POLARIZATION ROTATION; OPTICAL LOOP MIRROR; MACH-ZEHNDER INTERFEROMETER; PHOTONIC CRYSTAL FIBER; RING LASER; FILTER; MODULATION;
D O I：
10.1134/S1054660X11050252
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report an experimental demonstration of muliwavelength erbium-doped fiber laser with adjustable wavelength number based on a power-symmetric nonlinear optical loop mirror (NOLM) in a linear cavity. The intensity-dependent loss (IDL) induced by the NOLM is used to suppress the mode competition and realize the stable multiwavelength oscillation. The controlling of the wavelength number is achieved by adjusting the strength of IDL, which is dependent on the pump power. As the pump power increases from 40 to 408 mW, 1-7 lasing line(s) at fixed wavelength around 1601 nm are obtained. The output power stability is also investigated. The most power fluctuation of single wavelength is less than 0.9 dB, when the wavelength number is increased from 1-7.
引用
收藏
页码：505 / 508
页数：4
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