Penning micro-trap for quantum computing
S Jain, T Sägesser, P Hrmo, C Torkzaban, M Stadler… - Nature, 2024 - nature.com
Trapped ions in radio-frequency traps are among the leading approaches for realizing
quantum computers, because of high-fidelity quantum gates and long coherence times …
quantum computers, because of high-fidelity quantum gates and long coherence times …
Sympathetic cooling schemes for separately trapped ions coupled via image currents
Cooling of particles to mK-temperatures is essential for a variety of experiments with trapped
charged particles. However, many species of interest lack suitable electronic transitions for …
charged particles. However, many species of interest lack suitable electronic transitions for …
Bilayer crystals of trapped ions for quantum information processing
Trapped-ion systems are a leading platform for quantum information processing, but they
are currently limited to 1D and 2D arrays, which imposes restrictions on both their scalability …
are currently limited to 1D and 2D arrays, which imposes restrictions on both their scalability …
Rapid cooling of the in-plane motion of two-dimensional ion crystals in a Penning trap to millikelvin temperatures
We propose a highly feasible technique with no experimental overhead to rapidly cool the in-
plane degrees of freedom of large two-dimensional ion crystals in Penning traps. Through …
plane degrees of freedom of large two-dimensional ion crystals in Penning traps. Through …
Formation of two-ion crystals by injection from a Paul-trap source into a high-magnetic-field Penning trap
Two-ion crystals constitute a platform for investigations of quantum nature that can be
extended to any ion species or charged particle provided one of the ions in the crystal can …
extended to any ion species or charged particle provided one of the ions in the crystal can …
Stabilization of cat-state manifolds using nonlinear reservoir engineering
We introduce a novel reservoir engineering approach for stabilizing multi-component Schr\"
odinger's cat manifolds. The fundamental principle of the method lies in the destructive …
odinger's cat manifolds. The fundamental principle of the method lies in the destructive …
Pulse optimization for high-precision motional-mode characterization in trapped-ion quantum computers
High-fidelity operation of quantum computers requires precise knowledge of the physical
system through characterization. For motion-mediated entanglement generation in trapped …
system through characterization. For motion-mediated entanglement generation in trapped …
[HTML][HTML] Trap-integrated fluorescence detection with silicon photomultipliers for sympathetic laser cooling in a cryogenic Penning trap
We present a fluorescence-detection system for laser-cooled 9 Be+ ions based on silicon
photomultipliers (SiPMs) operated at 4 K and integrated into our cryogenic 1.9 T multi …
photomultipliers (SiPMs) operated at 4 K and integrated into our cryogenic 1.9 T multi …
Broadening of the drumhead-mode spectrum due to in-plane thermal fluctuations of two-dimensional trapped ion crystals in a Penning trap
Two-dimensional crystals of ions stored in Penning traps are a leading platform for quantum
simulation and sensing experiments. For small amplitudes, the out-of-plane motion of such …
simulation and sensing experiments. For small amplitudes, the out-of-plane motion of such …
Sympathetic cooling of a single individually-trapped proton in a cryogenic Penning trap
M Wiesinger - 2023 - archiv.ub.uni-heidelberg.de
A method to prepare arbitrary stored ions with low energy in the mK range would improve
many high-precision Penning trap experiments and is essential for high-precision …
many high-precision Penning trap experiments and is essential for high-precision …