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Efficient Rational Approximation of Optical Response Functions with the AAA Algorithm (Laser Photonics Rev. 18(11)/2024)

Year: 2024

Type: article

Abstract: Rational Approximation of Optical Response Functions The optical response of an illuminated metasurface can be approximated locally by a rational function of the excitation frequency with poles at the complex-valued resonance frequencies. Felix Binkowski and co-workers extend the AAA algorithm, a method for rational approximation, to additionally provide resonance modes and sensitivities, which are important for metasurface design and optimization (see article number 2400584).

Source: Laser & Photonics Review

DOI: 10.1002/lpor.202470071

Authors: Fridtjof Betz, Martin Hammerschmidt, Lin Zschiedrich, Sven Burger, Felix Binkowski

Language: English

Topic: Metamaterials and Metasurfaces Applications

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W4404223983

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