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A novel phase-noise-suppressed and delay-time-tunable mode-locked erbium-doped fiber laser

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Academic year: 2021

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Fig. 1. The setup of a delay-time-tunable, mode-locked erbium- erbium-doped fiber ring laser with (a) free-running mode (reference clock coming from RFS) and (b) feedback controlling mode (reference clock coming from PD)
Fig. 2 shows the block diagram of actively mode-locked EDFL operated in either  free-run-ning mode or delay-time controlled mode
Fig. 4. The repetition rate (solid square with dashed line) and the relative delay-time (solid line) of the optical pulse-train from mode-locked EDFL plotted as a function of controlling voltage ðV REF Þ.
Fig. 6. The single-sided-band phase noise spectra of the delay- delay-time-tunable mode-locked EDFL operated at free running (dotted line) and feedback controlling (solid line) modes.

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