ldos-opt · Shaker et al. reproduction

B per-penalty a=0.4 s4 success

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, 4].

phc-B-s4-a40 · shifted β=∞ · updated

Verified rebuild: LDOS/vac=1.4e+05, Q_eig=1.08e+06, Q_FWHM=7.2e+05, P=0.587, fabricable=False. Gap |ε−1|≤0.00e+00, sym x/y 8.88e-15/1.33e-14.