Figure 3
From: Phase-locking and Pulse Generation in Multi-Frequency Brillouin Oscillator via Four Wave Mixing

Temporal measurements of output pulses.
(a), (b) Output pulses of the fibre resonator for 500 ns input pulses for two different values of the phase-shift Δϕ0. The insets show zoomed in sections of 1 ns length at different times. Both measurements were taken for similar input powers of ~0.7 W.