# Multilayer ion trap technology for scalable quantum computing and quantum simulation

**Authors:** Amado Bautista-Salvador, Giorgio Zarantonello, Henning Hahn, Alan Preciado-Grijalva, Jonathan Morgner, Martina Wahnschaffe, Christian Ospelkaus  
**arXiv:** [1812.01829](https://arxiv.org/abs/1812.01829)  
**Date:** 2018-12-05  
**Summary page:** https://www.summarizepaper.com/fr/arxiv-id/1812.01829v1/

## Abstract

We present a novel ion trap fabrication method enabling the realization of multilayer ion traps scalable to an in principle arbitrary number of metal-dielectric levels. We benchmark our method by fabricating a multilayer ion trap with integrated three-dimensional microwave circuitry. We demonstrate ion trapping and microwave control of the hyperfine states of a laser cooled $\,^{9}$Be$^{+}$ ion held at a distance of 35$\,\mu$m above the trap surface. This method can be used to implement large-scale ion trap arrays for scalable quantum information processing and quantum simulation.