Meng Liu, Rui Tang, Ai-Ping Luo, Wen-Cheng Xu, Zhi-Chao Luo, "Graphene-decorated microfiber knot as a broadband resonator for ultrahigh-repetition-rate pulse fiber lasers," Photonics Res. 6, C1 (2018)
- Photonics Research
- Vol. 6, Issue 10, C1 (2018)
Fig. 1. (a) Microscopy image of the fabricated MKR; (b) microscopy image of the graphene-deposited MKR; (c) scattering evanescent field along the graphene-deposited MKR.
Fig. 2. Spectral response of the graphene-deposited MKR. Red solid line, measured spectral response of the graphene-deposited MKR; blue dotted line, theoretically calculated spectral response of the graphene-deposited MKR.
Fig. 3. Schematic of the ultrafast fiber laser used in the experiment.
Fig. 4. FD-FWM mode-locking operation in the EDF laser based on graphene-deposited MKR. (a) Output spectrum; (b) corresponding autocorrelation trace.
Fig. 5. Stability of the proposed FD-FWM mode-locked fiber laser. (a) Repeatedly scanned output; (b) power fluctuation tracking.
Fig. 6. FD-FWM mode-locking operation in the YDF laser based on graphene-deposited MKR. (a) Output spectrum; (b) autocorrelation trace; (c) repeatedly scanned output 20 times with a 5-min interval; (d) power fluctuation of each lasing line within 100 min.
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