Multimode Laser — Mode Competition
Pump Rate
2.00
Gain Bandwidth
2.00
Mode Spacing
0.40
Cross-saturation
0.50
Self-saturation
1.00
Noise Level
0.010
Rate equations for N modes: dIᵢ/dt = Iᵢ(gᵢ − 1 − βIᵢ − Σⱼ≠ᵢ θβIⱼ). Modes compete for shared gain medium via cross-saturation. Winner-take-all dynamics emerge when θ → 1.