About the group

Cavity-Optomechanics provides a unique approach to Stochastic and Quantum Thermodynamics at the single- and few particle level. The thermodynamic perspective on overdamped mechanical systems has been successfully and much more extensively studied than on well-isolated mechanics. We experimentally investigate such underdamped mechanical systems. Amongst others, this provides a natural first step towards the quantum regime. Our focus lies on the application of levitated optomechanics, where all-optical control of the potential landscape seen by a single or few nanoparticles and reservoir engineering of their optical environment are possible. This will provide a general testbed for proof-of-principle implementations to experimentally adress questions at the interface of thermodynamics, information theory and quantum physics.

The experimental group on Stochastic and Quantum Thermodynamics is led by Assist.-Prof. Dr. Nikolai Kiesel. The research is mainly funded by the FWF START Programme and hosted by the group of Prof. Aspelmeyer at the Faculty of Physics, key research area Quantum Optics, Quantum Nanophysics and Quantum Information.

Latest News

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Going beyond Landauer's bound in an experimentally realized nonequilibrium memory erasure.


A generalized Landauer principle allows accounting for non-equilibrium initial states. Stay tuned for the experiment.


Researchers at the Universities Vienna and Stuttgart have investigated a version of Maxwell’s demon embodied by a delayed feedback force acting on a...


When a particle is completely isolated from its environment, the laws of quantum physics start to play a crucial role. One important requirement to...


A joint venture that grew out of the collaboration between Belfast (Theory), Zürich (BEC in cavity) and Vienna (Cavity Optomechanics). We measure the...


Luca Orginotti joins the team for 6 months as a visiting PhD from Radim Filips group (Olomouc). We jointly investigate timedependent, nonlinear...

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