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Q: Fachverband Quantenoptik und Photonik

Q 34: In Memoriam of Hermann Haken (joint session Q/MO)

Mittwoch, 12. März 2025, 11:00–13:00, HS I PI

Physicist Hermann Haken, who died on August 14, 2024 at the age of 97, made groundbreaking contributions to solid-state physics and quantum optics. As a pioneer of laser theory, he recognized early on the ubiquity of non-equilibrium phase transitions. This led to the foundation of the self-organization theory of synergetics, which has been applied to countless systems of both inanimate and living nature. The Symposium honours his life work and outlines exemplarily how his scientific achievements live on in current quantum optics research.

	11:00	Q 34.1	Hauptvortrag: Haken's quantum field theoretical understanding of semiconductors and lasers and its present-day impact — •Cun-Zheng Ning
	11:30	Q 34.2	Hauptvortrag: Bose-Einstein condensation of photons in vertical-cavity surface-emitting lasers — •Maciej Pieczarka
	12:00	Q 34.3	Hauptvortrag: Photons in a dye-filled cavity: quantum-optical system interpolating between Bose-Einstein condensates and laser-like states — •Milan Radonjić
	12:30	Q 34.4	Hauptvortrag: From laser physics to nonlinear dynamics and synergetics — •Eckehard Schöll