collaborators

6 papers

quant-ph2026

Quantum Optimal Control Using MAGICARP: Combining Pontryagin's Maximum Principle and Gradient Ascent

Denis Janković, Jean-Gabriel Hartmann, Paul-Louis Etienney +3

We introduce the MAGICARP algorithm, a numerical optimization method for quantum optimal control problems that combines the structure provided by Pontryagin's Maximum Principle (PM…

quant-ph2026

Implementation of a shooting technique for quantum optimal control on spin qudits

Paul-Louis Etienney, Denis Janković, Killian Lutz +3

High-fidelity quantum control is a cornerstone of scalable quantum technologies. We introduce a shooting-based optimization framework that generates smooth, experimentally realisti…

physics.atom-ph2026

The hyperfine interaction as a probe of the microscopic structure of the atomic nucleus

Denis Janković, Jean-Gabriel Hartmann, Johann Bartel +3

The study of highly charged electronic and muonic hydrogen-like ions, provides an intriguing way to probe the internal structure of their atomic nuclei. In this work, we use nuclea…

quant-ph2025

Noisy Qudit vs Multiple Qubits : Conditions on Gate Efficiency for Enhancing Fidelity

Denis Janković, Jean-Gabriel Hartmann, Mario Ruben +1

Today, multiple new platforms are implementing qudits, -level quantum bases of information, for Quantum Information Processing (QIP). It is therefore crucial to study their effi…

quant-ph2025

Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing

Jean-Gabriel Hartmann, Denis Janković, Rémi Pasquier +2

High-dimensional quantum computing has generated significant interest due to its potential to address scalability and error correction challenges faced by traditional qubit-based s…

quant-ph2025

Elucidating the Physical and Mathematical Properties of the Prouhet-Thue-Morse Sequence in Quantum Computing

Denis Janković, Rémi Pasquier, Jean-Gabriel Hartmann +1

This study explores the applications of the Prouhet-Thue-Morse (PTM) sequence in quantum computing, highlighting its mathematical elegance and practical relevance. We demonstrate t…