379 citations · 430 across the 15 of their papers we have counts for
15 papers
FPGA-based LQG controller and hardware-in-the-loop simulator implementation for nanomechanical systems
Vojtěch Mlynář, Johannes Berndorfer, Andreas Kugi +1
We present an open-source framework for real-time Linear Quadratic Gaussian (LQG) control and hardware-in-the-loop (HIL) simulation on the affordable Red Pitaya STEMlab FPGA platfo…
Optimal State Preparation for Impulse Estimation in Gaussian Quantum Systems
Kaspar Schmerling, Andreas Kugi, Andreas Deutschmann-Olek
We present an optimal control-based strategy to enhance the estimation of impulse-like disturbances in continuously monitored linear classical and quantum systems by exploiting non…
Identification and optimal control strategies for the transversal splitting of ultra--cold Bose gases
Nikolaus Würkner, Yevhenii Kuriatnikov, Karthikeyan Kumaran +5
Splitting a Bose--Einstein condensate (BEC) is a key operation in fundamental physics experiments and emerging quantum technologies, where precise preparation of well--defined init…
Feedback stabilization of a nanoparticle at the intensity minimum of an optical double-well potential
Vojtěch Mlynář, Salambô Dago, Jakob Rieser +5
In this work, we develop and analyze adaptive feedback control strategies to stabilize and confine a nanoparticle at the unstable intensity minimum of an optical double-well potent…
Fast Coherent Splitting of Bose-Einstein Condensates
Yevhenii Kuriatnikov, Nikolaus Würkner, Karthikeyan Kumaran +6
Preparation of non-trivial quantum states without introducing unwanted excitations or decoherence remains a central challenge in utilizing ultracold atomic systems for quantum simu…
Roadmap on Quantum Thermodynamics
Steve Campbell, Irene D'Amico, Mario A. Ciampini +66
The last two decades has seen quantum thermodynamics become a well established field of research in its own right. In that time, it has demonstrated a remarkably broad applicabilit…
Optimal Sensing of Momentum Kicks with a Feedback-Controlled Nanomechanical Resonator
Kaspar Schmerling, Hajrudin Bešić, Andreas Kugi +2
External disturbances exciting a mechanical resonator can be exploited to gain information on the environment. Many of these interactions manifest as momentum kicks, such as the re…
Steady-state entanglement of interacting masses in free space through optimal feedback control
Klemens Winkler, Anton V. Zasedatelev, Benjamin A. Stickler +3
We develop a feedback strategy based on optimal quantum feedback control for Gaussian systems to maximise the likelihood of steady-state entanglement detection between two directly…
Optimized Signal Estimation in Nanomechanical Photothermal Sensing via Thermal Response Modelling and Kalman Filtering
Hajrudin Bešić, Andreas Deutschmann-Olek, Kenan Mešić +2
We present an advanced thermal response model for micro- and nanomechanical systems in photothermal sensing, designed to balance speed and precision. Our model considers the two ti…
Nonlinear feedback stabilisation and stochastic disturbance suppression of actively Q-switched lasers
Lukas Tarra, Andreas Deutschmann-Olek, Andreas Kugi
Actively Q-switched lasers are widely used tools which are required to produce stable output pulse energies for many applications. In this paper, a model-based control concept for…
Optimal control of quasi-1D Bose gases in optical box potentials
Andreas Deutschmann-Olek, Katharina Schrom, Nikolaus Würkner +3
In this paper, we investigate the manipulation of quasi-1D Bose gases that are trapped in a highly elongated potential by optimal control methods. The effective meanfield dynamics…
Optimizing optical potentials with physics-inspired learning algorithms
Martino Calzavara, Yevhenii Kuriatnikov, Andreas Deutschmann-Olek +6
We present our new experimental and theoretical framework which combines a broadband superluminescent diode (SLED/SLD) with fast learning algorithms to provide speed and accuracy i…
Iterative shaping of optical potentials for one-dimensional Bose-Einstein condensates
Andreas Deutschmann-Olek, Mohammadamin Tajik, Martino Calzavara +3
The ability to manipulate clouds of ultra-cold atoms is crucial for modern experiments on quantum manybody systems and quantum thermodynamics as well as future metrological applica…
A stochastic nonlinear model of the dynamics of actively Q-switched lasers
Lukas Tarra, Andreas Deutschmann-Olek, Vinzenz Stummer +3
In this paper, we present a novel stochastic and spatially lumped multi-mode model to describe the nonlinear dynamics of actively Q-switched lasers and random perturbations due to…
Real-time optimal quantum control of mechanical motion at room temperature
Lorenzo Magrini, Philipp Rosenzweig, Constanze Bach +6
The ability to accurately control the dynamics of physical systems by measurement and feedback is a pillar of modern engineering. Today, the increasing demand for applied quantum t…