Prototype of a quantum light source.

Scattering in Nanophotonic Systems

Seminar by Prof. Dr. Carsten Rockstuhl by Karlsruhe Institute of Technology, Institute of Theoretical Solid State Physics
Prototype of a quantum light source.
Image: Jürgen Scheere (University of Jena)
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Types of event
Seminar
Venue
Abbe Center of Photonics
Albert-Einstein-Str 6, Seminar room 1
07745 Jena
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Data protection informationpdf, 101 kb
Language of the event
English
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Yes
Public
Yes

Abstract:

The description of the scattering of light by objects is one of the oldest problems in optics, and it continues to fascinate us. Particularly, the interplay between shape and materials enables advanced control over light-matter interactions. Understanding and predicting that interplay is a worthwhile endeavor for deepening our fundamental understanding of nature and for developing tangible technology. At the same time, modern algebraic, computational, and data-driven methods, emerging alongside machine learning, open new pathways for analyzing, designing, and optimizing scattering systems. In this talk, I review recent developments in this field.

As a small focus, I will present a framework for describing the optical response of nanophotonic scatterers in terms of quasi-normal modes (resonant states). Building on this, I show how the resonant-state expansion provides a quantitative description of strong coupling, offering a new perspective on its underlying mechanisms.