基于非线性偏振旋转的可调谐多波长掺铒光纤激光器

被引:10
作者
徐慧文
杨华
文双春
雷大军
陈勇
张景贵
机构
[1] 湖南大学计算机与通信学院微纳光电子器件教育部重点实验室
关键词
光纤激光器; 多波长; 偏振旋转; 调谐;
D O I
暂无
中图分类号
TN248.1 [固体激光器];
学科分类号
0803 ; 080401 ; 080901 ;
摘要
实现了一种基于非线性偏振旋转(NPR)的可调谐多波长掺铒光纤(EDF)激光器。偏振相关隔离器和保偏光纤(PMF)是激光器的关键组件。非线性偏振旋转会引起腔体的自滤波和光强的峰值限制效应,从而能有效地减弱掺铒光纤均匀加宽所造成的强烈模式竞争,形成稳定的常温多波长振荡。腔损耗的色散特性使激光输出波长在5 nm内可连续调谐。由于激光腔的自滤波周期由腔内双折射强度决定,也可以通过改变保偏光纤的有效长度来实现。当用两段保偏光纤和偏振控制器组合后,实验中得到了间隔为0.25 nm和0.75 nm可调谐的稳定多波长振荡。
引用
收藏
页码:2272 / 2276
页数:5
相关论文
共 15 条
[1]  
Room temperature multifrequency erbium-doped fiber lasers anchored on the ITU frequency grid. Antoine Bellemare,Miroslav Karasek,Martin Rochette,et al. Journal of Lightwave Technology . 2000
[2]  
"Channel-spacing-tunable multi-wavelength fiber ring laser with hybrid Raman and erbium-doped fiber gains,". Chen DR,Qin S,He SL. Optics Express . 2007
[3]  
Lasing wavelength and spacing tunable multiwavelength fiber laser from 1510 to 1620 nm. Y. G. Han,G. Kim,J. H. Lee,S. H. Kim,and S. B. Lee. IEEE Photonics Technology Letters . 2005
[4]  
Multiwavelength erbium-doped fibre laser using intracavity etalon and cooled by liquid nitrogen. Yamashita S,Hotate K. Electronics Letters . 1996
[5]  
Switchable multiwavelength erbium-doped fiber laser with a multimode fiber Bragg grating and photonic crystal fiber. X. Feng,H. Y. Tam,and P. K. A. Wai. IEEE Photonics Technology Letters . 2006
[6]  
Multiwavelength erbium-doped fiber laser based on inhomogeneous loss mechanism by use of a highly nonlinear fiber and a Fabry–Perot filter. S.L. Pan,C.Y. Lou,Y.Z. Gao. Optics Express . 2006
[7]  
"Mechanism of Multisoliton Formation and Soliton Energy Quantization in Passively Mode-locked Fiber Lasers". D. Y. Tang,et al. Physical Review . 2005
[8]  
Observation of central wavelength dynamics in erbium-dopedfiber ring laser. XU Hui-wen,LEI Da-jun,WEN Shuang-chun,et al. Optics Express . 2008
[9]  
Mechanismof intrinsic wavelengthtuning and sideband asymmetryin a passively mode-locked soliton fiber ring laser. W.S.Man,,H.Y.Tam,M.S.Demokanet al. Journal of the Optical Society of America B Optical Physics . 2000
[10]  
Soliton fiber ring laser. C.J.Chen,P.K.A.Wai,C.R.Menyuk. Optics Letters . 1992