Laser Cooling Scheme for the Carbon Dimer (12C2)We report on a scheme for laser cooling of 12C2. We have calculated the branching ratios for cycling and repumping transitions and calculated the number of photon scatterings required to…Niccolò Bigagli, Daniel W. Savin, Sebastian Will·Dec 20, 2021SaveLearn
Enhancing fiber atom interferometer by in-fiber laser coolingWe demonstrate an inertia sensitive atom interferometer optically guided inside a 22-cm-long negative curvature hollow-core photonic crystal fiber with an interferometer time of 20 ms. The result…Yu Wang, Shijie Chai, Thomas Billotte et al.·Dec 19, 2021SaveLearn
Semiclassical Trajectory Perspective of Glory Rescattering in Strong-field Photoelectron HolographyWe investigate theoretically the photoelectron momentum distribution (PMD) of the ionized atoms irradiated by a linearly polarized intense laser, focusing on the holography interference patterns in…L. G. Liao, Q. Z. Xia, J. Cai et al.·Dec 18, 2021SaveLearn
A continuous, sub-Doppler-cooled atomic beam interferometer for inertial sensingWe present the first demonstration of an inertially sensitive atomic interferometer based on a continuous, rather than pulsed, atomic beam at sub-Doppler temperatures in three dimensions. We…J. M. Kwolek, A. T. Black·Dec 17, 2021SaveLearn
Femtotesla nearly quantum-noise-limited pulsed gradiometer at Earth-scale fieldsWe describe a finite fields magnetic gradiometer using an intense pulsed laser to polarize a 87Rb atomic ensemble and a compact VCSEL probe laser to detect paramagnetic Faraday rotation in a…V. G. Lucivero, W. Lee, M. V. Romalis et al.·Dec 16, 2021SaveLearn
Two-color grating magneto-optical trap for narrow-line laser coolingWe demonstrate for the first time the two-color cooling and trapping of alkaline-earth atoms in a grating magneto-optical trap (gMOT). The trap is formed by a single incident laser beam together with…Saskia Bondza, Christian Lisdat, Stefanie Kroker et al.·Dec 16, 2021SaveLearn
Time-resolved quantum beats in the fluorescence of helium resonantly excited by XUV radiationWe report on the observation of time-resolved quantum beats in the helium fluorescence from the transition 1s3p -> 1s2s, where the initial state is excited by XUV free-electron laser radiation. The…AC LaForge, A Benediktovitch, V Sukharnikov et al.·Dec 15, 2021SaveLearn
Magneto-Optical Trapping and Sub-Doppler Cooling of a Polyatomic MoleculeWe report magneto-optical trapping (MOT) of a polyatomic molecule, calcium monohydroxide (CaOH). The MOT contains 2.0(5)× 104 CaOH molecules at a peak density of 3.0(8)×106…Nathaniel B. Vilas, Christian Hallas, Loïc Anderegg et al.·Dec 15, 2021SaveLearn
Light-shift mitigation in a microcell-based atomic clock with Symmetric Auto-Balanced Ramsey spectroscopyThe mid-term fractional frequency stability of miniaturized atomic clocks can be limited by light-shift effects. In this Letter, we demonstrate the implementation of a symmetric Auto-Balanced Ramsey…M. Abdel Hafiz, C. Carlé, N. Passilly et al.·Dec 14, 2021SaveLearn
Mapping partial wave dynamics in scattering resonances by rotational de-excitation collisionsOne of the most important parameters in a collision is the 'miss distance' or impact parameter, which in quantum mechanics is described by quantized partial waves. Usually, the collision outcome is…Tim de Jongh, Quan Shuai, Grite L. Abma et al.·Dec 14, 2021SaveLearn
Strongest Magnetically Induced Transitions in Alkali Metal Atoms with nuclear spin 3/2The probabilities of atomic transitions Fe - Fg = 2 between a ground Fg and an excited Fe level of D2 line of any alkali metal atom are zero when no external magnetic field is…Armen Sargsyan, Ara Tonoyan, Rodolphe Momier et al.·Dec 14, 2021SaveLearn
Coherent control of spin tunneling in a spin-orbit coupled bosonic triple wellWe study the coherent control of spin tunneling for a spin-orbit (SO) coupled boson held in a driven triple well. Under high-frequency approximation, we analytically obtain the quasienergies of the…Yuxin Luo, Jia Yi, Wenjuan Li et al.·Dec 14, 2021SaveLearn
A Fully Fiber-Integrated Ion Trap for Portable Optical Atomic ClocksWe present a novel, single-ion trap with integrated optical fibers directly embedded within the trap structure to deliver laser light as well as collect the ion's fluorescence. This eliminates the…Xavier Fernandez-Gonzalvo, Matthias Keller·Dec 13, 2021SaveLearn
Ytterbium nuclear-spin qubits in an optical tweezer arrayWe report on the realization of a fast, scalable, and high-fidelity qubit architecture, based on 171Yb atoms in an optical tweezer array. We demonstrate several attractive properties of this…Alec Jenkins, Joanna W. Lis, Aruku Senoo et al.·Dec 13, 2021SaveLearn
Hyperfine resolved optical spectroscopy of the A2 ← X2+ transition in MgFWe report on hyperfine-resolved laser spectroscopy of the A2 ← X2+ transition of MgF, relevant for laser cooling. We recorded 25 rotational transitions with an absolute…M. Doppelbauer, S. C. Wright, S. Hofsäss et al.·Dec 13, 2021SaveLearn
Ultrafast disruptive probing: simultaneously keeping track of tens of reaction pathwaysUltrafast science depends on different implementations of the well-known pump-probe method. Here we provide a formal description of ultrafast disruptive probing, a method in which the probe pulse…Bethany Jochim, Lindsey DeJesus, Marcos Dantus·Dec 13, 2021SaveLearn
Coherent effects contribution to a fast gate fidelity in ion quantum computerTrapped ions are one of the most promising platforms for quantum computing due to the longest qubit coherence times and the highest gate fidelities. However, scaling the number of ions (qubits) in a…Pavel Sidorov, Mikhail Aksenov, Ilia Zalivako et al.·Dec 12, 2021SaveLearn
MCDHF-CI calculations for Hg and Cd with estimates for unknown clock transition frequenciesBy use of the grasp2018 package we perform Multiconfiguration Dirac-Hartree-Fock (MCDHF) calculations with configuration interaction (CI) for the 1S0 and 3P0,1o levels in…Jesse S. Schelfhout, John J. McFerran·Dec 11, 2021SaveLearn
Correspondence between the surface integral and linear combination of atomic orbitals methods for ionic-covalent interactions in mutual neutralisation processes involving H-/D-The surface integral method for estimating ionic-covalent interactions in diatomic systems been successful in producing cross sections for mutual neutralisation (MN) in reasonable agreement with…Paul S. Barklem·Dec 9, 2021SaveLearn
Sympathetic cooling schemes for separately trapped ions coupled via image currentsCooling 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 direct…C. Will, M. Bohman, T. Driscoll et al.·Dec 9, 2021SaveLearn
Collective resonance of D states in rubidium atoms probed by optical two-dimensional coherent spectroscopyCollective resonance of interacting particles has important implications in many-body quantum systems and their applications. Strong interactions can lead to a blockade that prohibits the excitation…Danfu Liang, Yifu Zhu, Hebin Li·Dec 9, 2021SaveLearn
EIT spectroscopy of high-lying Rydberg states in 39KWe present a study of the Rydberg spectrum in 39K for nS and nD3/2 series connected to 52P1/2 using two-photon spectroscopy based on EIT in a heated vapor cell. We observed some 80…Yuqi Zhu, Sumita Ghosh, S. B. Cahn et al.·Dec 8, 2021SaveLearn
Zero-field magnetometry based on the combination of atomic orientation and alignmentOptically pumped magnetometers usually rely on optical pumping using circularly- or linearly-polarized light. We study here zero-field magnetometers pumped with elliptically-polarized light,…Gwenael Le Gal, Agustin Palacios-Laloy·Dec 8, 2021SaveLearn
Parity-mixed coupled-cluster formalism for computing parity-violating amplitudesWe formulate a parity-mixed coupled-cluster (PM-CC) approach for high-precision calculations of parity non-conserving amplitudes in mono-valent atoms. Compared to the conventional formalism which…H. B. Tran Tan, Di Xiao, A. Derevianko·Dec 8, 2021SaveLearn
Improved stabilization scheme for extreme ultraviolet quantum interference experimentsInterferometric pump-probe experiments in the extreme ultraviolet (XUV) domain are experimentally very challenging due to the high phase stability required between the XUV pulses. Recently, an…Daniel Uhl, Andreas Wituschek, Ulrich Bangert et al.·Dec 7, 2021SaveLearn