光学
饱和吸收
光纤激光器
干扰(通信)
激光器
多模光纤
模式锁定
材料科学
非线性系统
物理
光纤
电信
计算机科学
量子力学
频道(广播)
作者
Kangjun Zhao,Yan Li,Xiaosheng Xiao,Changxi Yang
出处
期刊:Optics Letters
[Optica Publishing Group]
日期:2020-02-10
卷期号:45 (7): 1655-1655
被引量:24
摘要
We present a dual-color-soliton fiber laser at two different wavebands by nonlinear multimode interference. A saturable absorber (SA) with single-mode—multimode (MMF)—single-mode fiber structure is placed in the common branch shared by two sub-cavities. Saturable absorption effects can be simultaneously satisfied at 1.5 and 2 µm at a proper length of the MMF. Dual-color solitons can still remain, even by slightly tuning the length of the MMF. The periodical characteristic of this SA provides a flexible choice of MMF length, making it simple for simultaneous mode locking (SML) at two separate wavebands in practice. Our approach not only paves the way for SML at two or more wavebands by the MMF but also could lead to significant applications in pump-probe spectroscopy.
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