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QI: Fachverband Quanteninformation

QI 23: Poster II (joint session QI/Q)

QI 23.14: Poster

Mittwoch, 8. März 2023, 16:30–19:00, Empore Lichthof

Error Budget for the Sørensen-Mølmer Gate — •Susanna Kirchhoff^1,2, Frank Wilhelm-Mauch^1,2, and Felix Motzoi³ — ¹Institute of Quantum Computing Analytics (PGI 12), Forschungszentrum Jülich, Germany — ²Theoretical Physics, Saarland University, Saarbrücken, Germany — ³Institute of Quantum Control (PGI-8), Forschungszentrum Jülich, Germany

The Sørensen-Mølmer gate is an entangling gate for ion qubits, where the entanglement is achieved by a bichromatic laser beam. The gate speed and fidelity are limited by leakage to other levels. We present a detailed expression for the fidelity including higher Lamb-Dicke orders and propose methods to improve gate speed and fidelity.