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Master_Thesis_Matias_Volante_Abovich.pdf (8.87 MB)

Tipus de document

Treball de fi de màster

Data de publicació

2026-09

Llicència de publicació

cc-by-nc-nd (c) Volante-Abovich, Matias, 2026
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/231732

Sorting atomic positions in an optical tweezer atom arrays

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In this work we report on the development of a dynamical rearrangement system for optical tweezer atom arrays. This lays the foundation for the Rydberg atom-array experiment at ICFO which aims to simulate lattice gauge theories with strontium-88. The developed system uses acousto-optic deflectors (AODs) to move individually trapped atoms into defect-free target geometries. We focus on the laser source built to feed the AODs, a tapered amplifier at the 813.4nm clock-magic wavelength. Therein, the beam shaping and fiber-coupling optics have been assembled and characterized as part of this thesis project, reaching 58% fiber coupling efficiency. We explore the practical alignment and control of movable tweezers through an independent test setup, specifically characterizing the frequency-dependent diffraction efficiency of the crossed AODs and their single- and multi-tone performance. In addition, we address the need for efficient atom rearrangement by implementing and benchmarking three sorting algorithms of varying computational cost. Finally, we tackle the required scaling analysis by estimating the maximum array size rearrangeable within the atomic trap lifetime, ensuring thereby the suitability of the system for defectfree array assembly and the limits for the current experiment

Descripció

Màster Oficial de Ciència i Tecnologia Quàntiques / Quantum Science and Technology, Facultat de Física, Universitat de Barcelona. Curs: 2025-2026. Tutors: Quentin Redon, Leticia Tarruell

Recurs relacionat

Matèries

Estats de Rydberg, Estronci, Treballs de fi de màster

Matèries (anglès)

Rydberg states, Strontium, Master's thesis

Citació

Col·leccions

Màster Oficial - Ciència i Tecnologia Quàntiques / Quantum Science and Technology

Citació

VOLANTE-ABOVICH, Matias. Sorting atomic positions in an optical tweezer atom arrays. [consulted: 30 of September of 2026]. Available at: https://hdl.handle.net/2445/231732

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