Fig. 5: Experimental setup and typical Brillouin gain spectrum.

a Brillouin-based memory setup. Components in the setup: EDFA erbium-doped fiber amplifier, PC polarization controller, SSB single-sideband modulator, EOM electro-optic modulator, PD photo diode, AWG arbitrary waveform generator, RF radio frequency. b Integrated Brillouin gain spectrum with a typical pump-probe continuous wave setup.