Weißflog, Maximilian A.Maximilian A.WeißflogDézert, RomainRomainDézertVinel, VincentVincentVinelSaravi, SinaSinaSaraviBorne, AdrienAdrienBornePertsch, ThomasThomasPertschSetzpfandt, FrankFrankSetzpfandtLeo, GiuseppeGiuseppeLeo2023-07-072023-07-072022https://publica.fraunhofer.de/handle/publica/4452942-s2.0-85139926275Subwavelength resonators have recently emerged as promising sources of spontaneous parametric down-conversion. By modeling them with quasi-normal mode expansion, we reveal a nonlinear multimode interaction and assist the design of efficient metasurfaces for quantum technologies.enconference paper