提出并证明了一种宽光谱被动锁模掺铒光纤激光器,为光学频率梳和光纤飞秒脉冲的产生奠定了基础.基于非线性偏振旋转的锁模机理,该激光器在大的正常色散区合理地将C波段和L波段掺铒光纤结合,确保激光器具有C+L波段的增益谱覆盖.泵浦功率为350 mW时脉冲以基频4.32 MHz稳定地运转, 3 dB带宽为60 nm,20 dB覆盖了1522~1630 nm,实现了增益带宽内光谱的完全覆盖.这种利用增益拼接加宽光谱的方法可以有效避免光谱成分的非线性相位噪声,有利于进一步压窄脉冲.
参考文献
[1] | 李文彩;龙虎;冯素娟;毛庆和.单纵模调Q脉冲光纤激光器研究进展[J].量子电子学报,2014(4):403-411. |
[2] | Feng, H.;Zhao, W.;Yan, S.;Xie, X.P..Generation of 10-GHz ultra-short pulses with low time jitter in an actively mode-locked fiber laser[J].Laser Physics: An International Journal devoted to Theoretical and Experimental Laser Research and Application,20112(2):404-409. |
[3] | D. Mao;X. M. Liu;L. R. Wang;X. H. Hu;H. Lu.Partially polarized wave-breaking-free dissipative soliton with super-broad spectrum in a mode-locked fiber laser[J].Laser physics letters,20112(2):134-138. |
[4] | Li, Xing;Zou, Weiwen;Yang, Guang;Chen, Jianping.Direct Generation of 148 nm and 44.6 fs Pulses in an Erbium-Doped Fiber Laser[J].IEEE Photonics Technology Letters,20151(1):93-96. |
[5] | Takushima Y.;Yasunaka K.;Ozeki Y.;Kikuchi K..87 nm bandwidth noise-like pulse generation from erbium-doped fibre laser[J].Electronics Letters,20057(7):399-400. |
[6] | L.M. Zhao;D.Y. Tang;T.H. Cheng;H.Y. Tam;C. Lu.120 nm Bandwidth noise-like pulse generation in an erbium-doped fiber laser[J].Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter,20081(1):157-161. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%