EOSAM 2023
Open Access

Fig. 2


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Dual-frequency Brillouin laser and multi-wavelength light generation (cavity 1, normal dispersion regime). (a) Stokes lasing threshold measurement. (b) Experimental FWM results for bi-chromatic pumping (25-GHz frequency spacing) of the HNLF and cavity-free configuration for an input power of 158 mW. (c) Corresponding multi-wavelength generation in the closed cavity configuration. (d) Spectral broadening recorded (25-GHz frequency spacing) at increasing input pump powers from 80 to 316 mW. (e) Tunable frequency spacing of the multi-wavelength source for an input power of 200 mW. (f) Experimental autocorrelation traces of the generated pulse train with a period of 6.7 ps (repetition rate of 150 GHz) for distinct input powers of 50–400 mW.

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