SAMOP 2023 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 17: Integrated Photonics I (joint session Q/QI)

Q 17.7: Vortrag

Dienstag, 7. März 2023, 12:45–13:00, E001

Integrated photonics for the ATIQ quantum computer demonstrator — •Carl-Frederik Grimpe¹, Guochun Du¹, Anastasiia Sorokina^2,3, Pascal Gehrmann^2,3, Steffen Sauer^2,3, Elena Jordan¹, Tunahan Gök^4,5, Radhakant Singh^4,5, Maxim Lipkin^4,5, Pragya Sah^4,5, Stephan Suckow⁴, Babita Negi⁵, Stefanie Kroker^{1, 2, 3}, and Tanja E. Mehlstäubler^{1, 6, 7} — ¹Physikalisch-Technische Bundesanstalt, Braunschweig, Germany — ²Institut für Halbleitertechnik, Technische Universität Braunschweig, Braunschweig, Germany — ³Laboratory for Emerging Nanometrology, Braunschweig, Germany — ⁴AMO GmbH, Advanced Microelectronic Center Aachen, Aachen, Germany — ⁵Chair of Electronic Devices, RWTH Aachen University, Aachen, Germany — ⁶Institut für Quantenoptik, Leibniz Universität Hannover, Hannover, Germany — ⁷Laboratorium für Nano- und Quantenengineering, Hannover, Germany

The BMBF project "ATIQ" aims to develop reliable trapped-ion quantum computer demonstrators with more than 40 qubits and with multi-qubit gate fidelities larger than 99.5%. To make the trapped ion systems scalable, we are developing integrated photonic systems for guiding and manipulating the laser light at the chip level. In this talk, we will discuss some design considerations to make when integrating photonics in surface ion traps. Furthermore, we will discuss the characterization of the photonic elements and benchmarking of the ion trap performance.