| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Tunable Supercontinuum Generated in a Yb$^{3+}$-Doped Microstructure Fiber Pumped by Ti:Sapphire Femtosecond Laser |
| Wei Wang1,2,3**, Fan-Chao Meng1,3, Yuan Qing1,3, Shi Qiu1,3, Ting-Ting Dong1,3, Wei-Zhen Zhu1,3, Yu-Ting Zuo1,3, Ying Han1,3, Chao Wang4, Yue-Feng Qi1,3, Lan-Tian Hou1,3 |
1School of Information Science and Engineering, Yanshan University, Qinhuangdao 066004
2Jiangsu Key Laboratory of Meteorological Observation and Information Processing, Nanjing University of Information Science and Technology, Nanjing 210000
3Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province, Qinhuangdao 066004
4Intelligence and Information Engineering college, Tangshan University, Tangshan 063000
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| Cite this article: |
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Wei Wang, Fan-Chao Meng, Yuan Qing et al 2018 Chin. Phys. Lett. 35 104202 |
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Abstract We experimentally demonstrate that a tunable supercontinuum (SC) can be generated in a Yb$^{3+}$-doped microstructure fiber by the concept of wavelength conversion with a Ti:sapphire femtosecond (fs) laser as the pump. Experimental results show that an emission light around 1040 nm in an anomalous dispersion region is first generated and amplified by fs pulses in the normal dispersion region. Then, SC spectra from 1100 to 1380 nm and 630 to 840 nm can be achieved by combined effects of higher-order soliton fission and Raman soliton self-frequency shift in the anomalous dispersion region and self-phase modulation, dispersive wave, and four-wave mixing in the normal dispersion region. It is also demonstrated that the 20 nm change of pump results in a 280 nm broadband shift of soliton and the further red-shift of soliton is limited by OH$^{-}$ absorption at 1380 nm.
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Received: 26 June 2018
Published: 15 September 2018
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| Fund: Supported by the National Natural Science Foundation of China under Grant No 61735011, the Natural Science Foundation of Hebei Province under Grant Nos F2016203389 and F2018105036, the Science and Technology Research Project of College and University in Hebei Province under Grant No BJ2017108, the Open Subject of Jiangsu Key Laboratory of Meteorological Observation and Information Processing under Grant No KDXS1107, and the Science and Technology Project of Tangshan City under Grant No 17130257a. |
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