MZI Optimization

Find DC1, DC2, ΔL parameters that match a target spectrum (e.g., 980/1550 WDM coupler).

WG width W (μm) WG height H (μm) Δ (%)

Each row: at this wavelength, want P_bar = target (weight scales the cost contribution).

λ (μm)	P_bar target	Weight

gap min (μm) gap max (μm) L min (μm) L max (μm) ΔL min (μm) ΔL max (μm) Random starts Seed

DC1 gap

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DC1 L

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DC2 gap

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DC2 L

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Path difference ΔL

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Best cost

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Range auto-set to span all targets. Target points marked.

Reference implementations