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HL: Fachverband Halbleiterphysik

HL 13: Poster Session III

HL 13.6: Poster

Dienstag, 28. September 2021, 13:30–16:30, P

Continuum of quantized bound quasinormal modes — •Robert Fuchs, Sebastian Franke, Andreas Knorr, and Marten Richter — Technische Universität Berlin, Berlin, Germany

Quasinormal modes (QNMs) have proven to be a useful and intuitive way to define modes for open cavities. They have been calculated for a variety of problems both in classical electrodynamics, and recently used in a fully quantized description for three dimensional geometries.

However, so far, a quantized description of multi-cavity-structures using QNMs with substantial propagation delays is missing. We show that an extension of the QNM quantization is possible if the cavities are far away from each other so that retardation effects are important.

The related quantization approach leads to a set of non-bosonic operators with a continuous spectrum. In the multi-cavity theory, this continuum serves as a bath which can be used to describe photon propagation between the separately quantized cavities. Using multi-time correlation functions we are able to construct a systematic formulation to describe the inter-cavity transfer determined by QNM parameters.