Fig. 1. Experimental setup of SLM fiber laser

Fig. 2. Spectra of FBG. (a) Transmission spectrum; (b) reflection spectrum

Fig. 3. Optical spectraof lasing at fixed single wavelength. (a) Typical spectrum; (b) spectra of 10 repeated OSA scans with interval of 10 min

Fig. 4. Fluctuations of output power and central wavelength in SLM lasing operation at 1940.6 nm

Fig. 5. Radio-frequency beating spectrum of laser output in range of 0-1 GHz

Fig. 6. Power spectral density of frequency noise of SLM fiber laser