Bonn 2025 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 62: Poster – Quantum Information Technologies (joint session Q/QI)

Q 62.35: Poster

Thursday, March 13, 2025, 17:00–19:00, Tent

Efficient simulation workflow for designing micro-structured planar Paul traps — •Kais Rejaibi, Dorna Niroomand, Patrick Huber, Rodolfo Muñoz Rodriguez, and Christof Wunderlich — Department of Physics, School of Science and Technology University of Siegen, 57068 Siegen, Gemany

When developing novel micro-structured traps for quantum science with trapped ions, design considerations include, for instance, precise ion shuttling, suppressing micromotion, and ensuring robust quantum state control in quantum experiments. To be able to efficiently design novel traps, we have developed a simulation workflow that uses the Boundary Element Method (BEM) to accurately model electric fields from complex electrode geometries such as microfabricated surface ion traps incorporating the Magnetic Gradient Induced Coupling (MAGIC) scheme and effectively handling open boundary conditions with low computational overhead.

By applying solid harmonics decomposition to the simulated fields, we identify and mitigate higher-order multipole components that lead to residual micromotion and other effects. This process allows us to iteratively refine electrode designs and generate precise voltage control configurations, optimizing micromotion compensation and improving ion transport. Our approach focuses on simulation and analytical techniques for designing ion traps capable of reliable shuttling through varying magnetic fields. By streamlining the development process, we enhance the performance of traps, contributing to more robust and scalable implementations in quantum computing applications.

Keywords: Ion Traps; Shuttling; Solid Harmonics; Boundary Element Method