Fig. 1. Schematic diagram of the burst-mode passively mode-locked all-fiber laser. HNLF, highly nonlinear fiber; OC, optical coupler; NOLM, nonlinear optical loop mirror; DM, dichroic mirror.

Fig. 2. (a) Experimental setup of 543 nm burst-mode passively mode-locked all-fiber laser. (b) Microscopic image of the input fiber pigtail mirror (M). (c) Photograph of the input fiber pigtail mirror (M). (d) Transmission spectrum of the input fiber pigtail mirror (M).

Fig. 3. (a) Experimental setup of 602 nm burst-mode passively mode-locked all-fiber laser. (b) Transmission spectrum of the input fiber pigtail mirror (M1). (c) Transmission spectrum of the fiber pigtail mirror (M2).

Fig. 4. Typical mode-locking characteristics of the 543 nm all-fiber laser. (a) Spectra of CW and mode-locking. (b) Inter-burst pulse trains. (c) RF spectrum at the fundamental frequency [inset: broadband RF spectrum (100 MHz span)]. (d) Optical power and inter-burst pulse energy as a function of pump power.

Fig. 5. Typical burst-mode pulse characteristics of the 543 nm mode-locked all-fiber laser. (a) Single-pulse profile of inter-burst pulse. (b) Intra-burst pulse trains. (c) Single-pulse profile of intra-burst pulse. (d) 3 GHz span RF spectrum.

Fig. 6. Characteristics of the 543 nm burst-mode passively mode-locked all-fiber laser under different pump powers. (a) Single-pulse profiles. (b) Pulse trains. (c) Optical spectra.

Fig. 7. Typical mode-locking characteristics of the 602 nm all-fiber laser. (a) Spectra of CW and mode-locking. (b) RF spectrum at the fundamental frequency [inset: broadband RF spectrum (100 MHz span)]. (c) Inter-burst pulse trains. (d) Optical power and inter-burst pulse energy as a function of pump power.

Fig. 8. Typical burst-mode pulse characteristics of the 602 nm mode-locked all-fiber laser. (a) Single-pulse profile of inter-burst pulse. (b) Intra-burst pulse trains. (c) Single-pulse profile of intra-burst pulse. (d) 3 GHz span RF spectrum.

Fig. 9. Characteristics of the 602 nm burst-mode passively mode-locked all-fiber laser under different pump powers. (a) Single-pulse profiles. (b) Pulse trains. (c) Optical spectra.

Fig. 10. Stability measurement of the burst-mode mode-locked all-fiber laser. (a) Power stability at 543 nm. (b) Spectral stability at 543 nm. (c) Power stability at 602 nm. (d) Spectral stability at 602 nm.