Peiyun Cheng, Mengmeng Han, Yueqing Du, Xuewen Shu. Polarization domains and self-mode-locked pulses in an erbium-doped fiber laser[J]. Chinese Optics Letters, 2023, 21(3): 031402
- Chinese Optics Letters
- Vol. 21, Issue 3, 031402 (2023)
Fig. 1. Schematic of the experimental fiber laser structure.
Fig. 2. (a), (c) The two orthogonal polarization states of the PDs with different durations and (b), (d) the corresponding spectra.
Fig. 3. (a) The temporal traces of the two orthogonal polarization modes and (b) the corresponding spectra.
Fig. 4. (a), (c), (e), (g), (i), (k) The temporal traces of the two orthogonal polarization states and (b), (d), (f), (h), (j), (l) the corresponding spectra for different orientations of PC1.
Fig. 5. Wavelength differences under different PC states.
Fig. 6. (a) Spectra of the self-mode-locked pulse under different pump powers; (b) 3 dB width and laser output power versus the pump power; (c) corresponding RF spectrum; (d) pulse shape detected by a 28 GHz high-speed oscilloscope (the red curve is the Gaussian fitting).
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