Comparison of laser system designs for quantum technologies: BECCAL flight system vs. BECCAL ground test bedWe present the design of laser systems for the Bose-Einstein Condensate and Cold Atom Laboratory (BECCAL) payload, enabling numerous quantum technological experiments onboard the International Space…Victoria A. Henderson, Jean-Pierre Marburger, André Wenzlawski et al.·May 13, 2025SaveLearn
Sub-Recoil Transverse Momentum Width in a Cold Ytterbium Atomic BeamWe demonstrate the generation of a slow ytterbium atomic beam with a transverse momentum width of 0.44(6) times the photon recoil associated with Bragg diffraction, and a flux of $6.7(9) ×…Toshiyuki Hosoya, Tomoya Sato, Ryotaro Inoue et al.·May 13, 2025SaveLearn
Single-photon ionization of H2+ in near-circular laser fields with lower photon energyWe study single-photon ionization of aligned H2+ in low-intensity near-circular laser fields with lower photon energy numerically and analytically. The photoelectron momentum distribution (PMD)…Z. Y. Chen, S. Q. Shen, M. Q. Liu et al.·May 12, 2025SaveLearn
Single-atom imaging of 173Yb in optical tweezers loaded by a five-beam magneto-optical trapWe report on the trapping and imaging of individual ytterbium atoms in arrays of optical tweezers, loaded from a magneto-optical trap (MOT) formed by only five beams in an orthogonal configuration.…Omar Abdel Karim, Alessandro Muzi Falconi, Riccardo Panza et al.·May 12, 2025SaveLearn
Coordinated international comparisons between optical clocks connected via fiber and satellite linksOptical clocks provide ultra-precise frequency references that are vital for international metrology as well as for tests of fundamental physics. To investigate the level of agreement between…Thomas Lindvall, Marco Pizzocaro, Rachel M. Godun et al.·May 10, 2025SaveLearn
Atomic Coherence of 2 minutes and Instability of 1.5E-18 at 1 s in a Wannier-Stark Lattice ClockWe explore the limits of atomic coherence and measurement precision in a 87Sr optical lattice clock. We perform a detailed characterization of key effects, including lattice Raman scattering and…Kyungtae Kim, Alexander Aeppli, William Warfield et al.·May 9, 2025SaveLearn
Direct measurement of the 3P0 clock state natural lifetime in 87SrOptical lattice clocks based on the narrow (5s2)1S0 - (5s5p)3P0 transition in neutral strontium (Sr) are among the most precise and accurate measurement devices in existence. Although this transition…Jonathan Dolde, Dhruva Ganapathy, Xin Zheng et al.·May 9, 2025SaveLearn
Enhancing optical lattice clock coherence times with erasure conversionIncreasing coherent interrogation times is central to advancing the precision of optical clocks. Synchronous differential optical clock comparisons have now demonstrated atomic coherence times that…Shuo Ma, Jonathan Dolde, Xin Zheng et al.·May 9, 2025SaveLearn
Rydberg atomic spectrum analyzer with microwave-dressed-state-locking and multimode Floquet theoryWe propose a Rydberg atomic spectrum analyzer (RASA) utilizing microwave-dressed-state-locking (MWDSL) in conjunction with multimode Floquet theory (MFT). By leveraging a strong local microwave (MW)…Sheng-Xian Xiao, Tao Wang·May 9, 2025SaveLearn
Frequency Range Boosted Magnetometry Beyond the Spin Coherence Limit via Compressive SensingFree induction decay (FID) of spin precession serves as an essential tool for quantum sensing across diverse platforms. While extending spin coherence time remains critical for sensitivity…Ruiqi Wang, Peiyu Yang, Ding Huang et al.·May 9, 2025SaveLearn
Selective ionization of Rydberg atoms to reduce the energy spread of a cold atom focused ion beamThe energy spread of a focused ion beam causes chromatic aberration that limits the focal spot size and resolution for imaging and fabrication. Ion beams based on photoionization of neutral atoms can…Kaih T. Mitchell, Allan Pennings, Rory W. Speirs et al.·May 9, 2025SaveLearn
Determination of a set of fundamental constants from molecular hydrogen ion spectroscopy: a modeling studyThe rovibrational transition frequencies of molecular hydrogen ions (MHI) can be accurately computed using ab initio nonrelativistic quantum electrodynamics. A subset of the fundamental constants are…J. -Ph Karr, S. Schiller, V. I. Korobov et al.·May 8, 2025SaveLearn
Calculation of ground state energy of Lithium and Beryllium based on variational methodWith the consideration of identity principle and atomic shell structure, we calculated the ground state energy of Lithium atom and Beryllium atom based on variational method, which accords quite well…Mei-Qin Deng, Ren-Hong Fang·May 8, 2025SaveLearn
Theoretical characterisation of the barium II and radium II ionsMotivated by recent experimental advances, including the ongoing development of an optical atomic clock in singly ionised radium, we perform a detailed theoretical characterisation of Ra+ and its…Robin B. Cserveny, Benjamin M. Roberts·May 8, 2025SaveLearn
Photoionization time delays probe electron correlationsThe photoelectric effect, explained by Einstein in 1905, is often regarded as a one-electron phenomenon. However, in multi-electron systems, the interaction of the escaping electron with other…Mingxuan Li, Huiyong Wang, Rezvan Tahouri et al.·May 7, 2025SaveLearn
Light propagation through an atomic vapor with non-orthogonal electric field modesAlkali-metal atomic vapors are the foundation of an ever-growing range of applications, driven by a comprehensive understanding of their interaction with light. In particular, many models have been…Jack D. Briscoe, Danielle Pizzey, Robert M. Potvliege et al.·May 7, 2025SaveLearn
Numerical modeling for trapped-ion thermometry using dark resonancesThe simulation of vibrational energy transport and quantum thermodynamics with trapped ions requires good methods for the estimation of temperatures. One valuable tool for this purpose is based on…Muriel Bonetto, Nicolás Adrián Nuñez Barreto, Christian Tomás Schmiegelow et al.·May 7, 2025SaveLearn
Orders-of-magnitude improvement in precision spectroscopy of an inner-shell orbital clock transition in neutral ytterbiumAn inner-shell orbital clock transition 1S0 4f135d6s2 \: (J=2) in neutral ytterbium atoms has attracted much attention as a new optical frequency standard as well as a highly…Taiki Ishiyama, Koki Ono, Hokuto Kawase et al.·May 7, 2025SaveLearn
Spatio-temporal Monte Carlo modeling of loading and decay dynamics in an optical dipole trapHere, we present our studies on intra-trap dynamics of an optical dipole trap (ODT) loaded from a Magneto-optical trap (MOT) of 87Rb atoms. A spatio-temporal Monte Carlo (MC) simulation approach…Sankalp Shandilya, Gunjan Verma, Kavish Bhardwaj et al.·May 7, 2025SaveLearn
Trap-induced atom-ion complexes: a time-independent approachA trapped ion immersed in a neutral bath shows long-lived atom-ion complexes that significantly alter its chemical properties, and, thus the ion stability. In this work, we present a general study of…Zhongqi Liang, Ruiren Shi, Jesús Pérez-Ríos·May 6, 2025SaveLearn
Phase modulation detection of a strontium atom interferometer gyroscopeWe demonstrate a strontium thermal beam atom interferometer gyroscope (AIG) on a rotation table using the 1\!S0- 3\!P1 intercombination line, and measure large rotation rates exceeding 6…Luke A. Kraft, Samuel A. Meek, Nathan Marliere et al.·May 6, 2025SaveLearn
Attosecond-Resolved Photoionization Dynamics and Interference-Enhanced Photoelectron Circular Dichroism in Chiral MoleculesChiral molecules exhibit enantiosensitive light-matter interactions, with photoelectron circular dichroism (PECD) serving as a sensitive probe of molecular chirality through the asymmetry in the…Zheming Zhou, Yang Li, Xu Zhang et al.·May 6, 2025SaveLearn
Narrowline cooling of dysprosium atoms in an optical tweezer arrayWe perform narrowline cooling of single dysprosium atoms trapped in a 1D optical tweezers array, employing the narrow single-photon transition at 741 nm. At the trapping wavelength of 532 nm, the…Giulio Biagioni, Britton Hofer, Nathan Bonvalet et al.·May 6, 2025SaveLearn
Magneto-optical-trap loading in a large optical-access experimentWe present an experimental, numerical, and analytical study of strontium magneto-optical trap (MOT) loading from a cold atomic beam in a configuration optimized for high numerical aperture optical…M. Gaudesius, J. M. Lee, L. A. Kraft et al.·May 5, 2025SaveLearn
Single-frequency inverted Doppler-free resonance as a platform for chip-scale optical clockWe report on the possibility to obtain a high-quality inverted Doppler-free resonance in D1 line of alkali-metal atoms in the single-frequency regime. The counter-propagating optical fields with…E. A. Tsygankov, D. S. Chuchelov, M. I. Vaskovskaya et al.·May 4, 2025SaveLearn