Yu Cai, Jie Wang, Jiaojiao Zhang, Hongdan Wan, Zuxing Zhang, Lin Zhang. Generation of cylindrical vector beams in a mode-locked fiber laser using a mode-selective coupler[J]. Chinese Optics Letters, 2018, 16(1): 010602
- Chinese Optics Letters
- Vol. 16, Issue 1, 010602 (2018)
Fig. 1. Schematic of MSC.
Fig. 2. CCD images of the LP11 mode excited in the TMF at different launching wavelengths.
Fig. 3. Experimental setup of the proposed mode-locked fiber laser based on nonlinear polarization rotation with CVB generation.
Fig. 4. (a) Spectrum and (b) the corresponding pulse train of single-pulse mode locking, (c) the spectrum and (d) the corresponding pulse train of three-pulse mode locking.
Fig. 5. (a) Live FROG trace. (b) Measured and retrieved FROG traces.
Fig. 6. Autocorrelation trace.
Fig. 7. Spectrum of bound mode-locking state (the inset is the close-up spectrum from 1550 to 1552 nm).
Fig. 8. Pulse train of bound mode-locking state.
Fig. 9. Intensity distributions of (a) TE01 and (f) TM01 modes, and their evolutions with rotation of the linear polarizer.
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