Fig. 1. Schema of the linear-polarization burst-mode all-fibre laser system.

Fig. 2. Spectrum of the burst seed after the suppression of ASE. (a) The seed burst spectrum with the 2 nm BP filter (blue dotted line) and ASE spectrum after turning off the signal (red solid line). (b) The seed burst spectrum with the 2 nm BP filter and burst seed spectrum after turning off inter-burst ASE.

Fig. 3. Seed-burst temporal shape. (a) Single-burst temporal shape. (b) Comparison between tested intra-burst pulse and sine waveform in detail.

Fig. 4. Pre-compensation burst-mode laser. (a) The distorted temporal profile of the amplified burst-mode laser. (b) The calculated transfer function G(t). (c) The temporal profile of the pre-compensated burst-mode seed laser. (d) The temporal profile of the amplified pre-compensated burst-mode laser.

Fig. 5. Output characterizations. (a) The output power and backward power versus pump power. (b) The output spectrum of injected seed and maximum output. (c) The RF spectrum. (d) The polarization degree versus different pump power.

Fig. 6. Scheme of frequency-adjustable microwave signal generation based on the linear-state PCSS.

Fig. 7. Experimental results of the generated frequency-adjustable microwave signal. (a)–(c) The temporal profile of burst-mode laser with different repetition rates of 0.8, 1 and 1.12 GHz, respectively. (d)–(f) The corresponding measured voltages of CVR. (g)–(i) The corresponding RF spectrum.