Quantum Optics

In the area of quantum optics, there are three research groups at our institute concentrating on different questions and priorities:


Cavity Quantum Electrodynamics

The research group of Helmut Ritsch covers the fields of theoretical quantum optics and ultra cold gas physics with strong connections to quantum information theory, foundations of quantum physics and quantum theory of condensed matter systems. We focus on full quantum descriptions of matter and light waves, which are strongly coupled by momentum exchange.

Our aim is an effective theoretical description of real physical systems in a close connection with experiments, where genuine quantum phenomena as quantum phase transitions, entanglement and macroscopic super positions can be studied in a well-controlled and understood environment.

For more information: www.uibk.ac.at/th-physik/cqed

Symbolbild Quantenoptik


Head of the Research Group
Univ.-Prof. Mag. Dr. Helmut Ritsch
Tel. +43 512 507-52213



Quantum Nanophysics, Optics and Information

Oriol Romero-Isart’s research group studies topics in the fields of theoeretical quantum optics, atomic physics, nanophysics, and superconductivity in the context of quantum science: quantum information processing, quantum simulation, quantum metrology, and foundations of quantum mechanics. The researchers focus on proposing cutting-edge experiments and developing the underlying theory while closely collaborating with experimental groups.

Currently, the group is interested in harnessing quantum systems with superconductivity and magnetism to access an unprecedented parameter regime in the fields of quantum nano- and micro-mechanical oscillators, quantum simulation with ultracold atoms, and solid-state quantum information processing.

For more information visit "Quantum Nanophysics, Optics and Information"

Symbolbild Quantenoptik


Head of the Research Group
Univ.-Prof. Dr. Oriol Romero-Isart
Tel. +43 512 507-4730



Quantum Optimization

The research group of Wolfgang Lechner is dedicated to theoretical quantum physics with the aim to solve computationally challenging problems efficiently in near term quantum devices. The focus is research of coherent adiabatic and non-adiabatic processes, applications in machine learning and optimization problems as well as the investigation of implementations in different next generation qubit platforms.

For more information visit "Quantum Optimization"


FG Lechner


Head of the Research Group
Ass.-Prof. Dr. Wolfgang Lechner
Tel. +43 512 507-52232

Administrative Assistant
Elke Stenico
Tel. +43 512 507-52205


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