Zikai Dong, Yanrong Song, Runqin Xu, Yu Zheng, Jinrong Tian, Kexuan Li. Broadband spectrum generation with compact Yb-doped fiber laser by intra-cavity cascaded Raman scattering[J]. Chinese Optics Letters, 2017, 15(7): 071408
- Chinese Optics Letters
- Vol. 15, Issue 7, 071408 (2017)
Fig. 1. Setup of the simplified Yb-doped mode-locked fiber laser. Port 1, the extra 20 m SMF (dotted line) located behind the output port; Port 2, the extra 20 m SMF (solid line) located before the output port.
Fig. 2. (Color online) Characteristics of mode-locked operation. (a) The pulse shape and the pulse train (the insert) at pump power of 210 mW, and (b) the spectra under different pump powers.
Fig. 3. RF spectrum of the different mode-locked operations. (a) The SMF2 spliced in the cavity, and (b) the SMF1 spliced in the cavity.
Fig. 4. (Color online) Characteristics of mode-locked operation. (a) Temporal pulse shape is measured at the pump of 370 mW and (b) spectra under different pump powers.
Fig. 5. Average output power versus the incident pump power.
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