Optical response function in the complex frequency plane, featuring three resonances a,b,c. https://doi.org/10.48550/arXiv.2503.03549

Resonances on different Riemann sheets greatly impact optical response in #photonic systems with #BranchCuts: Preprint doi.org/10.48550/arX... collab. @crockstuhl.bsky.social at KIT, Koenderink group @amolf-nl.bsky.social, @jcmwave.bsky.social, #AAARationalApproximation @mathplusberlin.bsky.social