autocorrelation trace
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2019 ◽  
Author(s):  
Tianci Feng ◽  
Xiaohui Li ◽  
Tong Chai ◽  
Penglai Guo ◽  
Ying Zhang ◽  
...  

Bismuthene, as a new two-dimensional (2D) material made up of diazo metal elements, has drawn massive attention for its unique electronic, mechanical, and quantum properties. However, the nonlinear optical properties of bismuthene in 1-µm region, especially their applications for ultrafast photonics and internal ultrashort pulse dynamics, has seldom been explored yet. In this work, we investigate the few-layer bismuthene characterizations and apply it as a saturable absorber (SA) in a 1-μm ultrafast pulse generation. Thanks to the narrow bandgap of bismuthene and tapered fiber structure, A special noise like pulse has been obtained. The dynamics is also quite different from previous observed pulses, whose intensity ratio of coherent peak and envelope components is of around 5:4 from the autocorrelation trace. It’s demonstrated that the abnormal noise-like pulses contain more uniform-intensity sub pulses. This proposed pulsed fiber laser based on bismuthene SA source is well suitable for some applications such as material processing, optical logics etc.


RSC Advances ◽  
2015 ◽  
Vol 5 (55) ◽  
pp. 44137-44141 ◽  
Author(s):  
Zhongben Pan ◽  
Jie Ma ◽  
Honghao Xu ◽  
Dingyuan Tang ◽  
Huaqiang Cai ◽  
...  

Autocorrelation trace and spectrum of the mode-locked pulses.


Author(s):  
Toshihiko Shimizu ◽  
Tomoya Okino ◽  
Hirokazu Hasegawa ◽  
Kentaro Furusawa ◽  
Yasuo Nabekawa ◽  
...  

2007 ◽  
Vol 75 (3) ◽  
Author(s):  
Toshihiko Shimizu ◽  
Tomoya Okino ◽  
Kentaro Furusawa ◽  
Hirokazu Hasegawa ◽  
Yasuo Nabekawa ◽  
...  

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