Fig. 4: Simulated nonlinear pulse propagation. | Nature Communications

Fig. 4: Simulated nonlinear pulse propagation.

From: Ultrafast-nonlinear ultraviolet pulse modulation in an AlInGaN polariton waveguide operating up to room temperature

Fig. 4: Simulated nonlinear pulse propagation.The alternative text for this image may have been generated using AI.

a Numerically calculated normalized spectra of the output field corresponding to temperature T = 100 K, detuning Δ = −92 meV and pulse energies W of 200 pJ (black lines) and 750 pJ (blue). b, c The numerically calculated spatio-temporal distributions of the intensity I of the field relative to the peak I0 after 100 μm propagation in the planar waveguide for incident pulse energies 200 pJ (b) and 750 pJ (c).

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