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QI: Fachverband Quanteninformation

QI 12: Integrated Photonics I (joint session Q/QI)

QI 12.6: Vortrag

Dienstag, 7. März 2023, 12:30–12:45, E001

Design and Simulation of Photonic Integrated Ion Traps — •Guochun Du¹, Elena Jordan¹, Carl-Frederik Grimpe¹, Anastasiia Sorokina^{2, 3}, Steffen Sauer^{2, 3}, Pascal Gehrmann^{2, 3}, Stefanie Kroker^{2, 3}, and Tanja E. Mehlstäubler^{1, 4, 5} — ¹Physikalisch-Technische Bundesanstalt, Braunschweig, Germany — ²Institut für Halbleitertechnik, Technische Universität Braunschweig, Braunschweig, Germany — ³Laboratory for Emerging Nanometrology, Braunschweig, Germany — ⁴Institut für Quantenoptik, Leibniz Universität Hannover, Hannover, Germany — ⁵Laboratorium für Nano- und Quantenengineering, Leibniz Universität Hannover, Hannover, Germany

Ion traps are a promising platform for realizing high-performance quantum computers and atomic clocks. To make these systems scalable, integrated photonic components for guiding and manipulating laser light on a chip scale are important. We will report on finite element simulations of our integrated ion traps. In the simulations, we examined the distortion of the potential at the position of the ion due to the openings in the electrodes for the outcouplers. Our simulations indicate that a transparent conductive coating can help to smoothen the potential. Further, we study how our traps can benefit from grating outcouplers designed with shallow angles.