Berlin 2024 – scientific programme

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QI: Fachverband Quanteninformation

QI 32: Quantum Sensing and Metrology

QI 32.9: Talk

Friday, March 22, 2024, 12:00–12:15, HFT-FT 131

Optimal Control for Quantum Technology with NV-Centers in Diamond — •Matthias Müller — Forschungszentrum Jülich GmbH, Institute for Quantum Control (PGI-8)

Diamond-based quantum technology is a fast-emerging field with both scientific and technological importance. The performance relies on unique features like superposition and entanglement and depends on sophisticated mechanisms of control to perform the desired tasks. Quantum Optimal Control (QOC) has proven to be a powerful tool to accomplish this task. I will give a brief overview on the use of QOC for NV-centers in diamond [1], the CRAB algorithm for Optimal Control [2], the optimal-control software QuOCS [3] and report on recent applications toward quantum sensing.

[1] P. Rembold et al., AVS Quantum Sci. 2, 024701 (2020) [2] M. M. Müller et al., Rep. Prog. Phys. 85 076001 (2022) [3] M. Rossignolo et al. Comp. Phys. Comm. 291, 108782 (2023) [4] N. Oshnik et al., Phys. Rev. A 106, 013107 (2022) [5] A. Marshall et al., Phys. Rev. Res. 4, 043179 (2022)

Keywords: NV Centers in Diamond; Quantum Control; Tomography