Terrestrial very-long-baseline atom interferometry: Workshop summary

S Abend, B Allard, I Alonso, J Antoniadis… - arxiv preprint arxiv …, 2023 - arxiv.org
This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom
Interferometry Workshop hosted by CERN. The workshop brought together experts from …

High-flux source system for matter-wave interferometry exploiting tunable interactions

A Herbst, T Estrampes, H Albers, V Vollenkemper… - Physical Review …, 2024 - APS
Atom interferometers allow determining inertial effects to high accuracy. Quantum-projection
noise as well as systematic effects impose demands on large atomic flux as well as ultralow …

Matter-wave collimation to picokelvin energies with scattering length and potential shape control

A Herbst, T Estrampes, H Albers, R Corgier… - Communications …, 2024 - nature.com
The sensitivity of atom interferometers depends on their ability to realize long pulse
separation times and prevent loss of contrast by limiting the expansion of the atomic …

Proposal for a long-lived quantum memory using matter-wave optics with Bose-Einstein condensates in microgravity

E Da Ros, S Kanthak, E Sağlamyürek, M Gündoğan… - Physical Review …, 2023 - APS
Bose-Einstein condensates are a promising platform for optical quantum memories but
suffer from several decoherence mechanisms, leading to short memory lifetimes. While …

Rapid generation of all-optical Bose-Einstein condensates using a low-field Feshbach resonance

A Herbst, H Albers, K Stolzenberg, S Bode… - Physical Review A, 2022 - APS
Ultracold potassium is an interesting candidate for quantum technology applications and
fundamental research as it allows controlling intra-atomic interactions via low-field magnetic …

Time-optimized atomic lensing mechanism for the source preparation of dual-species atomic gases in an atom-interferometric test of the weak equivalence principle

Q Wang, J Jiang, R Xu, L Zhou, SG Peng, J Wang… - Physical Review A, 2023 - APS
In the atom-interferometric test of the weak equivalence principle (WEP) with
multicomponent atomic gases, the difference in the center-of-mass positions between …

Creating nearly Heisenberg-limited matter-waves exploiting tunable interactions

A Herbst, T Estrampes, H Albers… - arxiv preprint arxiv …, 2023 - arxiv.org
The wave nature of matter implies wavepackets with minimal combined uncertainty in
position and momentum, a limit which can hardly be reached for clouds of large atom …

Micro-integrated crossed-beam optical dipole trap system with long-term alignment stability for mobile atomic quantum technologies

M Christ, O Anton, C Zimmermann, VA Henderson… - Optics …, 2024 - opg.optica.org
Quantum technologies extensively use laser light for state preparation, manipulation, and
readout. For field applications, these systems must be robust and compact, driving the need …

Asymmetric tunneling of Bose–Einstein condensates

DR Lindberg, N Gaaloul, L Kaplan… - Journal of Physics B …, 2023 - iopscience.iop.org
In his celebrated textbook, Quantum Mechanics: Nonrelativistic Theory, Landau argued that,
for single particle systems in 1D, tunneling probability remains the same for a particle …

Matter-wave lensing of ultracold atomic gases by interaction quenching via two-photon scattering

MH Seo, J Mun, SB Lee, JH Lee - EPJ Quantum Technology, 2025 - epjqt.epj.org
Precision quantum sensors using cold atom interferometers with long interrogation times are
often limited by the ballistic expansion of atomic samples after release from traps …