Quantum error correction for metrology (A10*)

• Subject Area: Optics, Quantum Optics and Physics of Atoms, Molecules and Plasmas
• Term: since 2024
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 274200144

Quantum error correction (QEC) ameliorates the effects of decoherence during quantum computations and was recently considered as a candidate to enhance quantum metrology. Although conditions are known for metrological QECCs, the theory of such codes is not yet mature. The central question of this project is to find a general theory of metrological QECCs and to investigate the role of biased noise. We will discover large QEC schemes for metrology in the presence of non-Markovian noise and develop QEC protocols to achieve these limits.

• DFG Programme: Collaborative Research Centres
• Subproject of: SFB 1227: Designed Quantum States of Matter (DQ-mat) - generation, manipulation, and detection for metrological applications and tests of fundamental physics
• Applicant Institution: Gottfried Wilhelm Leibniz Universität Hannover
• Project Heads: Professor Dr. Tobias J. Osborne; Professor Dr. Robert Raussendorf, Ph.D.