Publications
Expanding momentum bandgaps in photonic time crystals through resonances. Nat. Photonics, 19(4):149–155, February 2025. URL https://doi.org/10.1038/s41566-024-01563-3. .
Inverse-designed dispersive time-varying nanostructures. Adv. Optical Mater., 13(5):2402444, February 2025. URL https://doi.org/10.1002/adom.202402444. .
Approximate mechanical impedance of a thin linear elastic slab. Z. Angew. Math. Phys., 75:120, 19pp., June 2024. URL https://doi.org/10.1007/s00033-024-02239-2. . [preprint]
Chiral plasmonic metasurface assembled by DNA origami. Opt. Express, 32(9):16040–16051, April 2024. URL https://doi.org/10.1364/OE.520522. .
Two-step homogenization of spatiotemporal metasurfaces using an eigenmode-based approach. Opt. Mater. Express, 14(2):549–563, February 2024. URL https://doi.org/10.1364/OME.509897. See supplement. .
On the physical significance of non-local material parameters in optical metamaterials. New J. Phys., 25:123014, December 2023. URL https://doi.org/10.1088/1367-2630/ad1010. . [files]
Light scattering by a periodically time-modulated object of arbitrary shape: the extended boundary condition method. J. Opt. Soc. Am. B, 40(11):2842–2850, November 2023. URL https://doi.org/10.1364/JOSAB.050217. .
Floquet–Mie theory for time-varying dispersive spheres. Laser Photonics Rev., 17(3):2100683, March 2023. URL https://doi.org/10.1002/lpor.202100683. .
A T-matrix based approach to homogenize artificial materials. Adv. Opt. Mater., 11(3):2201564, February 2023. URL https://doi.org/10.1002/adom.202201564. .
Modeling four-dimensional metamaterials: a T-matrix approach to describe time-varying metasurfaces. Opt. Express, 30(25):45832–45847, December 2022. URL https://doi.org/10.1364/OE.476035. . [preprint] [files]
Artificial neural networks used to retrieve effective properties of metamaterials. Opt. Express, 29(22):36072–36085, October 2021. URL https://doi.org/10.1364/OE.427778. .
Higher order constitutive relations and interface conditions for metamaterials with strong spatial dispersion. Phys. Let. A, 412(19):127570, October 2021. URL https://doi.org/10.1016/j.physleta.2021.127570. . [preprint]
Lower limits for the homogenization of periodic metamaterials made from electric dipolar scatterers. Phys. Rev. B, 103(19):195425, May 2021. URL https://doi.org/10.1103/PhysRevB.103.195425. . [preprint]
Towards more general constitutive relations for metamaterials: a checklist for consistent formulations. Phys. Rev. B, 101(19):195411, May 2020. URL https://doi.org/10.1103/PhysRevB.101.195411. . [preprint]
Homogenization of wire media with a general purpose nonlocal constitutive relation. J. Opt. Soc. Am. B, 36(8):F99–F108, August 2019. URL https://doi.org/10.1364/JOSAB.36.000F99. .
Retrieving effective material parameters of metamaterials characterized by nonlocal constitutive relations. Phys. Rev. B, 99(3):035442, January 2019. URL https://doi.org/10.1103/PhysRevB.99.035442. .
Exact multipolar decompositions with applications in nanophotonics. Adv. Opt. Mater., 7(1):1800783, January 2019. URL https://doi.org/10.1002/adom.201800783. .
Surface plasmon polaritons sustained at the interface of a nonlocal metamaterial. Phys. Rev. B, 98(11):115409, September 2018. URL https://doi.org/10.1103/PhysRevB.98.115409. .
Beyond local effective material properties for metamaterials. Phys. Rev. B, 97(7):075439, February 2018. URL https://doi.org/10.7153/oam-2019-13-21. . [preprint]
Spectrum of a singularly perturbed periodic thin waveguide. J. Math. Anal. Appl., 454(2):673–694, October 2017. URL https://doi.org/10.1016/j.jmaa.2017.05.012. . [preprint]
Computing the T-matrix of a scattering object with multiple plane wave illuminations. Beilstein J. Nanotechnol., 8:614–626, March 2017. URL https://doi.org/10.3762/bjnano.8.66. .
Transverse multipolar light-matter couplings in evanescent waves. Phys. Rev. A, 94(5):053822, November 2016. URL https://doi.org/10.1103/PhysRevA.94.053822. . [preprint]
Optically assisted trapping with high-permittivity dielectric rings: Towards optical aerosol filtration. Appl. Phys. Lett., 109(14):141102, October 2016. URL https://doi.org/10.1063/1.4963862. . [preprint]
Exact dipolar moments of a localized electric current distribution. Opt. Express, 23(26):33044–33064, December 2015. URL https://doi.org/10.1364/OE.23.033044. . [preprint]
Preprints
Local and nonlocal homogenization of wave propagation in time-varying media. CRC 1173 Preprint 2025/22, Karlsruhe Institute of Technology, May 2025. .
Interface conditions for a metamaterial with strong spatial dispersion. CRC 1173 Preprint 2017/23, Karlsruhe Institute of Technology, September 2017. .
Theses
On the physical significance of strong spatial dispersion. PhD thesis, Karlsruhe Institute of Technology (KIT), May 2023. .
Modeling optical metamaterials with strong spatial dispersion. PhD thesis, Karlsruhe Institute of Technology (KIT), November 2019. .
Spectral and asymptotic properties of periodic media. Habilitation thesis, Karlsruhe Institute of Technology (KIT), January 2017. .