Fig. 5: Performance comparison between bright solitons and dark pulses.
From: Quantum decoherence of dark pulses in optical microresonators

a Intensity profiles of a bright soliton and a dark pulse. Parameters used in the simulations are: f = 5.86, ζ = 14, ∣d2∣ = 0.0032. b Left panel: 2000 simulated traces showing the evolution of the wavepacket center under quantum fluctuations. Right panel: histograms showing the distribution of the wavepacket center at the end of evolution. Inferred from the Gaussian fit (dashed lines), the standard deviation of the wavepacket center for the bright soliton (σb) is 4.5 times that of the dark pulse (σd). c Jitter spectral density derived from the traces in b. The offset frequencies are normalized to the microresonator linewidth and are plotted in arbitrary units.