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Q: Fachverband Quantenoptik und Photonik

Q 67: Poster – Quantum Information

Q 67.31: Poster

Thursday, March 5, 2026, 17:00–19:00, Philo 2. OG

Applications of Multi-Qubit Gates for Scalable Quantum Algorithms in Trapped-Ion Systems — Eoin Potts, Alexander Gresch, Soronzonbold Otgonbaatar, Marcel Seelbach, Dimitris Badounas und •Michael Fromm — eleQtron GmbH, Heeserstr. 5, 57072 Siegen, Germany

Multi-qubit entangling gates are a central resource for achieving scalable quantum algorithms, particularly in trapped-ion quantum computing platforms where long-range interactions and high-fidelity control are available. In particular, we examine the efficient layering of Givens rotations enabled by collective multi-qubit interactions. We further discuss Hamiltonian engineering techniques that leverage native multi-qubit gates to encode optimization problems directly into effective many-body interactions. Finally, we address strategies for scaling multi-qubit gates beyond a single register, including modular architectures and ion shuttling.