Figure 4

(a) Spectrum, (b) auto-correlation trace, (c) RF spectrum, (d) pulse train at pump power of 300 mW and (e) single-pulse mode locking at 15 mW.
The SA is fabricated by depositing the WS2 nanosheets onto D-shaped fiber.
(a) Spectrum, (b) auto-correlation trace, (c) RF spectrum, (d) pulse train at pump power of 300 mW and (e) single-pulse mode locking at 15 mW.
The SA is fabricated by depositing the WS2 nanosheets onto D-shaped fiber.