ldos-opt · Shaker et al. reproduction

E homotopy n=1.30/1.70 finished

Dipole at (0,0) in a vacuum slot |x| < 0.5 λ₀ (0.5 μm of free space on each side if λ₀ = 1 μm). Design occupies 0.5 ≤ |x| ≤ 5 λ₀ and |y| ≤ 1 λ₀. Density is optimized in the first quadrant and mirrored through x = 0 and y = 0. Material ε ∈ [1.69, 2.89].

phc-E-d20 · shifted β=∞ · updated

Verified rebuild: LDOS/vac=0.785, Q_eig=136, P=0.207, fabricable=False. Gap |ε−1|≤0.00e+00, sym x/y 1.78e-15/1.11e-15.