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Show HN: Real-time nonlinear optics simulation (JS/GLSL)

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Real-time visualization of coupled field evolution GPU-accelerated physics with nonlinear optical effects (e.g. Kerr, χ(2), birefringence—more details below) Gradient-based optimization of spatially-varying control parameters Parameter adjustment/selection through an interactive editor Persistent storage of simulation configurations Visualization of field amplitudes, phases, and lens structure Progress monitoring of optimization metrics The UI supports expanding any visualization to full-screen, offers real-time feedback on the optimization process, and allows tuning of simulation parameters (e.g., boundary shape, lens nonlinearity, gain) through the config editor.

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