Latest paper: Weierstrass factorization in nanophotonics
Optimizing the resonant properties of complex optical antennas is often a complex and time-consuming task. To ease the computational process and provide physical guidelines to the design optimization, we introduced in a publication in Physical Review A (highlighted as Rapid Publication) the so-called Weierstrass factorization theorem as a new tool in nanophotonics. We demonstrated that the scattering matrix can be decomposed exactly into a set of Lorentzian resonances over an arbitrary broad frequency range, and that the finding of these anomalies accurately determines all the scattering properties. This powerful approach does not require any fitting parameters and can take into account consistently an arbitrary number of modes. It can be applied to a broad range of cases, as we will show in forthcoming papers.
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