Bonn 2025 – scientific programme
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QI: Fachverband Quanteninformation
QI 27: Quantum Error Correction
QI 27.3: Talk
Thursday, March 13, 2025, 11:45–12:00, HS VIII
Leading Order Measurement-Free Quantum Error Correction Optimized for Rydberg Atoms — •Katharina Brechtelsbauer1, Sebastian Weber1, Friederike Butt2,3, David F. Locher2,3, Santiago Higuera Quintero1, Markus Müller2,3, and Hans Peter Büchler1 — 1Institute for Theoretical Physics III and Center for Integrated Quantum Science and Technology, University of Stuttgart, Stuttgart, Germany — 2Institute for Quantum Information, RWTH Aachen University, Aachen, Germany — 3Institute for Theoretical Nanoelectronics (PGI-2), Forschungszentrum Jülich, Jülich, Germany
Large scale quantum computation requires the implementation of quantum error correction. As different platforms come along with different challenges it can be helpful to design error correction protocols and logical gate sets considering the features of the specific platform. For example, in the case of neutral atom platforms where measurements are slow, measurement-free error correction schemes offer a great alternative to feed-forward correction. Furthermore, for neutral atom platforms two- and multiqubit gates are expected to be the dominating source of noise and careful design of the gates allows to further reduce the noise model to Pauli-Z errors. In this work, we show that for such a biased noise model the measurement-free error correction protocol of the seven-qubit Steane code can be reduced. Furthermore, we develop a measurement-free universal gate set that is fault tolerant with respect to the assumed noise model. In addition, we sketch possible implementations on neutral atom platforms.
Keywords: Quantum Error Correction; Rydberg atoms