Fig. 7
From: Brillouin expanded time-domain analysis based on dual optical frequency combs
Setup of the Brillouin Expanded Time Domain Analysis (BETDA) system: LD laser diode, MZM Mach-Zehnder modulator, AWG arbitrary waveform generator, PBC polarization beam combiner, BPD balanced photo detector, VOA variable optical attenuator, LPF low pass RF filter, DWDM dense wavelength division multiplexing filter, DAQ data acquisition
