Fig. 1. Experimental setup of the high-power single-mode 1.0/1.5 μm dual-band pulsed fiber laser.

Fig. 2. (Color online) Output powers of the two wavelengths versus pump power for three different lengths of LMA-EYDFs.

Fig. 3. (Color online) Output powers of the two wavelengths versus pump power for three different power ratios between the 1 and 1.5 μm signals.

Fig. 4. (Color online) (a) Output spectra at 1 μm (OSA resolution is 0.5 nm). Inset shows the autocorrelation trace of the 1 μm seed. (b) The 1 and 1.5 μm output powers versus pump power.

Fig. 5. (Color online) (a) The 1 and 1.5 μm output powers versus pump power. (b) Output powers from the CPS and the MFA versus pump power. (c) Beam quality of 1 and 1.5 μm emission. (d) Emission spectra of the dual-band pulsed fiber laser at the maximum pump power (OSA resolution is 0.5 nm).

Fig. 6. Output pulse trains at (a) 1 μm and (b) 1.5 μm at the maximum output power.