Quantum information theory
Christoph Hirche
I am currently a Junior Professor at the Institute for Information Processing at the University of Hannover.
My research area is information theory, with a focus on quantum communication and quantum information processing. I’m interested in exploring the theoretical limitations of these tasks to better understand the potential impact of using quantum information. A particular focus of my work is on entropic quantities, e.g. entropy inequalities and their applications.
Previously, I was a postdoctoral researcher, carrying out a Marie Skłodowska-Curie Global Fellowship with Robert König at TU Munich and Marco Tomamichel at CQT NUS. Before that, I was a postdoctoral researcher in QMATH at the University of Copenhagen, where I worked with Matthias Christandl. I obtained my PhD degree from the Universitat Autonoma de Barcelona under the supervision of John Calsamiglia.
Selected papers
- Quantum estimation, channel orders, and private capacity arXiv preprint (2026)
- Stochastic neural networks for quantum devices Quantum Machine Intelligence 8, 98 (2026)
- Quantum Doeblin Coefficients: Interpretations and Applications Quantum 10, 2115 (2026)
- Information Contraction under (ε, δ)-Differentially Private Mechanisms arXiv preprint (2026)
- Non-Linear Strong Data-Processing for Quantum Hockey-Stick Divergences arXiv preprint (2025)
- Quantum normalizing flows for anomaly detection Physical Review A 110, 022443 (2024)