Regensburg 2022 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 43: Poster Session: Quantum Chaos and Many-Body Dynamics

DY 43.8: Poster

Donnerstag, 8. September 2022, 15:00–18:00, P2

Source-driven optical microcavities — •Lukas Seemann and Martina Hentschel — TU Chemnitz

Optical microcavities -- open billiards for light -- are known to possess far field emission patterns that sensitively depend on their geometric shape: the geometry determines the light's nonlinear dynamics and, via the associated unstable manifold and invariant measure, the emission characteristics. However, this behavior might change, and new features can be added, when the microcavity is driven by a local internal light source [1]. Here, we investigate the properties of optical microcavities with sources both with ray and with wave methods. To this end we extend the ray picture by the phase information and collect the wavelength-dependent phase information along the ray trajectories. We use phase-space methods to analyze the source-induced time-dependent dynamics and compare the Poincaré surface of section for rays with phase to the Husimi function dynamics of wave solutions, thereby exploring chances and limitations of ray-wave correspondence.

[1] J.-K. Schrepfer, S. Chen, M.-H. Liu, K. Richter, and M. Hentschel, Phys. Rev. B 104, 155436 (2021)