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cavity_design/Readme.md

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 We designed 2D cavity imposed under various lengthscale constraints of size 1λ by 1λ for λ=1.55μm with material of ε=12.11. We aimed to maximize the LDOS, or equivalently the power expanded by an unit source at center with Ex polarization. Mo (@mochen4) designed structures with FDTD code (Meep), and Göktuğ ( <[email protected]>) designed structures with FEM code; the structurs were then cross validated by each other.
 
-(Without a lengthscale constraint of some type, this problem will converge to "bowtie antenna" designs with an arbitrarily sharp tip at the dipole location, with an LDOS that converges with computational resolution.)
+(Without a lengthscale constraint of some type, this problem will converge to "bowtie antenna" designs with an arbitrarily sharp tip at the dipole location, with an LDOS that diverges with computational resolution.)
 
 The schematic of the problem and numerical results are shown below.