Prof. Dr. Florian Marquardt
Chair of Theoretical Physics
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FAU LMQ Research Spotlight: AI-Discovered Fault-Tolerant Quantum Circuits
Quantum computers have the potential to solve certain problems much faster than classical computers, but they are also very sensitive…
Lecture series „Modern physics on Saturday morning“ in 2025 / 2026
For the winter semester 2025/2026, three talks of the „Modern physics on Saturday morning“ lecture series are scheduled. The talks…
Nobel Prize in Physics: Top-level research on quantum technology also in Erlangen
During the year of quantum physics, three scientists from this discipline have received a special honor: the Nobel Prize in…
“MQV-Einblicke”: Exploring the world of superconducting quantum computers
On 29 April, the two FAU researchers Florian Marquardt and Christopher Eichler gave two lectures as part of the event…
International Day of Light 2025 on May 16th
The Max Planck Institute for the Science of Light and the Zukunftsmuseum | Deutsches Museum Nürnberg celebrate the International Year…
2nd Workshop on Machine Learning for Quantum Technology at the MPL
From 5.–8. Nov. 2024 the “2nd Workshop on Machine Learning for Quantum Technology” takes place at the Max Planck Institute…
FAU LMQ Research Spotlight: Neural networks made of light
The increasing size of neural networks for deep learning applications and their energy consumption create a need for alternative neuromorphic…
LMQ prominently represented in the new FAU Magazine “#FAUmenschen” (Update: Now in English, too)
The Profile Center Light.Matter.QuantumTechnologies is represented with two articles in the new magazine "#FAUmenschen" featuring Christoph Marquardt, Florian Marquardt, Janina…
No one and nothing can stop physicist Flore Kunst: A Max Planck researcher in the fast lane
High praise for Flore Kunst. The physicist and researcher at the Max Planck Institute for the Science of Light has…
FAU is set to become a beacon in quantum research
Consortium from Erlangen receives roughly 3 million euros from the Free State of Bavaria.
Publications
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Quantum feedback control with a transformer neural network architecture
In: Physical Review Research 8 (2026), Article No.: L012043
ISSN: 2643-1564
DOI: 10.1103/m429-jy1j - , , :
Reusability report: Optimizing T count in general quantum circuits with AlphaTensor-Quantum
In: Nature Machine Intelligence (2026)
ISSN: 2522-5839
DOI: 10.1038/s42256-025-01166-9
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Preparing Schrödinger Cat States in a Microwave Cavity Using a Neural Network
In: PRX Quantum 6 (2025), Article No.: 010321
ISSN: 2691-3399
DOI: 10.1103/PRXQuantum.6.010321 - , , :
Automated Discovery of Coupled-Mode Setups
In: Physical Review X 15 (2025), Article No.: 021038
ISSN: 2160-3308
DOI: 10.1103/PhysRevX.15.021038 - , , :
dCG—differentiable connected geometries for AI-compatible multi-domain optimization and inverse design
In: Machine Learning: Science and Technology 6 (2025), Article No.: 015055
ISSN: 2632-2153
DOI: 10.1088/2632-2153/adb3ef - , , , , :
Non-Markovian Feedback for Optimized Quantum Error Correction
In: Physical Review Letters 134 (2025), Article No.: 020601
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.134.020601 - , , :
Transfer learning in predicting quantum many-body dynamics: from physical observables to entanglement entropy
In: Quantum Science and Technology 10 (2025), Article No.: 025038
ISSN: 2058-9565
DOI: 10.1088/2058-9565/adbd6d - , :
Discovering Local Hidden-Variable Models for Arbitrary Multipartite Entangled States and Arbitrary Measurements
In: PRX Quantum 6 (2025), Article No.: 020317
ISSN: 2691-3399
DOI: 10.1103/PRXQuantum.6.020317 - , :
Fully non-linear neuromorphic computing with linear wave scattering
AI and Optical Data Sciences VI 2025 (San Francisco, CA, USA, 27. January 2025 - 31. January 2025)
In: Masaya Notomi, Tingyi Zhou (ed.): Proceedings of SPIE - The International Society for Optical Engineering 2025
DOI: 10.1117/12.3041808 - , :
Quantum equilibrium propagation for efficient training of quantum systems based on Onsager reciprocity
In: Nature Communications 16 (2025), Article No.: 6595
ISSN: 2041-1723
DOI: 10.1038/s41467-025-61665-6 - , , , , , :
Quantum Circuit Discovery for Fault-Tolerant Logical State Preparation with Reinforcement Learning
In: Physical Review X 15 (2025), Article No.: 041012
ISSN: 2160-3308
DOI: 10.1103/gqpr-dgz7
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Model-aware reinforcement learning for high-performance Bayesian experimental design in quantum metrology
In: Quantum 8 (2024), Article No.: 1555
ISSN: 2521-327X
DOI: 10.22331/q-2024-12-10-1555 - , , , , :
Fast Quantum Control of Cavities Using an Improved Protocol without Coherent Errors
In: Physical Review Letters 133 (2024), Article No.: 260802
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.133.260802 - , , , :
Merging automatic differentiation and the adjoint method for photonic inverse design
In: Machine Learning: Science and Technology 5 (2024), Article No.: 025076
ISSN: 2632-2153
DOI: 10.1088/2632-2153/ad5411 - , :
Optimizing ZX-diagrams with deep reinforcement learning
In: Machine Learning: Science and Technology 5 (2024)
ISSN: 2632-2153
DOI: 10.1088/2632-2153/ad76f7 - , , , :
Simultaneous discovery of quantum error correction codes and encoders with a noise-aware reinforcement learning agent
In: npj Quantum Information 10 (2024), Article No.: 126
ISSN: 2056-6387
DOI: 10.1038/s41534-024-00920-y - , , :
Discovering quantum circuit components with program synthesis
In: Machine Learning: Science and Technology 5 (2024), Article No.: 025029
ISSN: 2632-2153
DOI: 10.1088/2632-2153/ad4252 - , , , :
Colloquium: Topologically protected transport in engineered mechanical systems
In: Reviews of Modern Physics 96 (2024), Article No.: 021002
ISSN: 1539-0756
DOI: 10.1103/RevModPhys.96.021002 - , , :
Reservoir engineering for classical nonlinear fields
In: Physical Review Research 6 (2024), Article No.: 023015
ISSN: 2643-1564
DOI: 10.1103/PhysRevResearch.6.023015 - , , :
Training coupled phase oscillators as a neuromorphic platform using equilibrium propagation
In: Neuromorphic Computing and Engineering 4 (2024), Article No.: 034014
ISSN: 2634-4386
DOI: 10.1088/2634-4386/ad752b - , :
Fully nonlinear neuromorphic computing with linear wave scattering
In: Nature Physics (2024)
ISSN: 1745-2473
DOI: 10.1038/s41567-024-02534-9
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Deep-Learning Approach for the Atomic Configuration Interaction Problem on Large Basis Sets
In: Physical Review Letters 131 (2023), Article No.: 133002
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.131.133002 - , , , , , , , , , :
Learning quantum systems
In: Nature Reviews Physics (2023)
ISSN: 2522-5820
DOI: 10.1038/s42254-022-00552-1 - , , , :
Artificial intelligence and machine learning for quantum technologies
In: Physical Review A 107 (2023), Article No.: 010101
ISSN: 1050-2947
DOI: 10.1103/PhysRevA.107.010101 - , , , :
Investigation of inverse design of multilayer thin-films with conditional invertible neural networks
In: Machine Learning: Science and Technology 4 (2023), Article No.: 015014
ISSN: 2632-2153
DOI: 10.1088/2632-2153/acb48d - , :
Self-Learning Machines Based on Hamiltonian Echo Backpropagation
In: Physical Review X 13 (2023), Article No.: 031020
ISSN: 2160-3308
DOI: 10.1103/PhysRevX.13.031020 - :
Topological Transport in a Nanoscale Optomechanical Array
13th International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2023 (Paris, FRA, 18. July 2023 - 21. July 2023)
In: Philippe Lalanne, Said Zouhdi (ed.): International Conference on Metamaterials, Photonic Crystals and Plasmonics 2023 - , , :
Gradient-Ascent Pulse Engineering with Feedback
In: PRX Quantum 4 (2023), Article No.: 030305
ISSN: 2691-3399
DOI: 10.1103/PRXQuantum.4.030305 - , , , , , , , , , , , , :
Realizing a deep reinforcement learning agent for real-time quantum feedback
In: Nature Communications 14 (2023), Article No.: 7138
ISSN: 2041-1723
DOI: 10.1038/s41467-023-42901-3 - , :
Deep Bayesian experimental design for quantum many-body systems
In: Machine Learning: Science and Technology 4 (2023), Article No.: 045022
ISSN: 2632-2153
DOI: 10.1088/2632-2153/ad020d - , , :
Tunneling-induced fractal transmission in valley Hall waveguides
In: Physical Review B 107 (2023), Article No.: 054304
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.107.054304
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Observing polarization patterns in the collective motion of nanomechanical arrays
In: Nature Communications 13 (2022), Article No.: 2478
ISSN: 2041-1723
DOI: 10.1038/s41467-022-30024-0 - , , :
Phase space crystal vibrations: Chiral edge states with preserved time-reversal symmetry
In: Physical Review B 105 (2022), Article No.: 094301
ISSN: 0163-1829
DOI: 10.1103/PhysRevB.105.094301 - , , , :
TMM-Fast, a transfer matrix computation package for multilayer thin-film optimization: tutorial
In: Journal of the Optical Society of America A-Optics Image Science and Vision 39 (2022), p. 1007-1013
ISSN: 1084-7529
DOI: 10.1364/JOSAA.450928 - , , , , :
Deep Learning of Quantum Many-Body Dynamics via Random Driving
In: Quantum 6 (2022)
ISSN: 2521-327X
DOI: 10.22331/chl.2022.0003 - , , , :
Deep Reinforcement Learning for Quantum State Preparation with Weak Nonlinear Measurements
In: Quantum 6 (2022)
ISSN: 2521-327X
DOI: 10.22331/chl.2022.0003.747 - , , , , , , :
Topological phonon transport in an optomechanical system
In: Nature Communications 13 (2022), Article No.: 3476
ISSN: 2041-1723
DOI: 10.1038/s41467-022-30941-0