| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Raman-Assisted Passively Mode-Locked Fiber Laser |
| Lei Zhao, Pei-Jun Yao, Chun Gu**, Li-Xin Xu |
Department of Optics and Optical Engineering, University of Science and Technology of China, Hefei 230026
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| Cite this article: |
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Lei Zhao, Pei-Jun Yao, Chun Gu et al 2018 Chin. Phys. Lett. 35 044201 |
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Abstract We propose and demonstrate a Raman-assisted passively mode-locked Yb-doped fiber laser in a normal dispersion regime. A section of highly nonlinear fiber is adopted to enhance the nonlinearity to extend the bandwidth of the gain spectrum by the stimulated Raman effect. The mode-locked fiber laser emits a broad spectral bandwidth of 64 nm at the $-$20 dB level and a highly stable pulse operation with a signal-to-noise ratio of 77 dB.
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Received: 05 December 2017
Published: 13 March 2018
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| PACS: |
42.55.Wd
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(Fiber lasers)
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42.60.Fc
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(Modulation, tuning, and mode locking)
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42.65.Dr
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(Stimulated Raman scattering; CARS)
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| Fund: Supported by the National Natural Science Foundation of China under Grant No 61675188, and the Open Fund of Key Laboratory Pulse Power Laser Technology of China under Grant No SKL2016KF03. |
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