415 citations · 2.7k across the 49 of their papers we have counts for
22 papers · 1 filter
Dark Energy Search by Atom Interferometry in the Einstein-Elevator
Charles Garcion, Sukhjovan S. Gill, Magdalena Misslisch +13
The DESIRE project aims to test chameleon field theories as potential candidates for dark energy. The chameleon field is a light scalar field that is subject to screening mechanism…
Proposal for a Bose-Einstein condensate based test of Born's rule using light-pulse atom interferometry
Simon Kanthak, Julia Pahl, Daniel Reiche +1
We propose and numerically benchmark light-pulse atom interferometry with ultra-cold quantum gases as a platform to test the modulo-square hypothesis of Born's rule. Our interferom…
Ramsey-Borde atom interferometry with a thermal strontium beam for a compact optical clock
Oliver Fartmann, Martin Jutisz, Amir Mahdian +4
Compact optical atomic clocks have become increasingly important in field applications and clock networks. Systems based on Ramsey-Borde interferometry (RBI) with a thermal atomic…
Micro-integrated crossed-beam optical dipole trap system with long-term alignment stability for mobile atomic quantum technologies
Marc Christ, Oliver Anton, Conrad Zimmermann +3
Quantum technologies extensively use laser light for state preparation, manipulation, and readout. For field applications, these systems must be robust and compact, driving the nee…
Additively manufactured ceramics for compact quantum technologies
Marc Christ, Conrad Zimmermann, Sascha Neinert +3
Quantum technologies are advancing from fundamental research in specialized laboratories to practical applications in the field, driving the demand for robust, scalable, and reprod…
Review and experimental benchmarking of machine learning algorithms for efficient optimization of cold atom experiments
Oliver Anton, Victoria A. Henderson, Elisa Da Ros +4
The generation of cold atom clouds is a complex process which involves the optimization of noisy data in high dimensional parameter spaces. Optimization can be challenging both in…
Proposal for a long-lived quantum memory using matter-wave optics with Bose-Einstein condensates in microgravity
Elisa Da Ros, Simon Kanthak, Erhan Sağlamyürek +2
Bose-Einstein condensates are a promising platform for optical quantum memories, but suffer from several decoherence mechanisms, leading to short memory lifetimes. While some of th…
Optical Atomic Clock aboard an Earth-orbiting Space Station (OACESS): Enhancing searches for physics beyond the standard model in space
Vladimir Schkolnik, Dmitry Budker, Oliver Fartmann +13
We present a concept for a high-precision optical atomic clock (OAC) operating on an Earth-orbiting space station. This pathfinder science mission will compare the space-based OAC…
A Prototype of a Compact Rubidium-Based Optical Frequency Reference for Operation on Nanosatellites
Aaron Strangfeld, Simon Kanthak, Max Schiemangk +4
Space-borne optical frequency references based on spectroscopy of atomic vapors may serve as an integral part of compact optical atomic clocks, which can advance global navigation…
Ultracold atom interferometry in space
Maike D. Lachmann, Holger Ahlers, Dennis Becker +21
Bose-Einstein condensates (BECs) in free fall constitute a promising source for space-borne matter-wave interferometry. Indeed, BECs enjoy a slowly expanding wave function, display…
Technologies for the ELGAR large scale atom interferometer array
B. Canuel, S. Abend, P. Amaro-Seoane +56
We proposed the European Laboratory for Gravitation and Atom-interferometric Research (ELGAR), an array of atom gradiometers aimed at studying space-time and gravitation with the p…
The Bose-Einstein Condensate and Cold Atom Laboratory
Kai Frye, Sven Abend, Wolfgang Bartosch +48
Microgravity eases several constraints limiting experiments with ultracold and condensed atoms on ground. It enables extended times of flight without suspension and eliminates the…
ELGAR -- a European Laboratory for Gravitation and Atom-interferometric Research
B. Canuel, S. Abend, P. Amaro-Seoane +55
Gravitational Waves (GWs) were observed for the first time in 2015, one century after Einstein predicted their existence. There is now growing interest to extend the detection band…
A single-laser alternating-frequency magneto-optical trap
B. Wiegand, B. Leykauf, K. Döringshoff +3
In this paper, we present a technique for magneto-optical cooling and trapping of neutral atoms using a single laser. The alternating-frequency magneto-optical trap (AF-MOT) uses a…
ZERODUR based optical systems for quantum gas experiments in space
Moritz Mihm, Jean Pierre Marburger, André Wenzlawski +6
Numerous quantum technologies make use of a microgravity environment e.g. in space. Operating in this extreme environment makes high demands on the experiment and especially the la…
An extended-cavity diode laser at 497 nm for laser cooling and trapping of neutral strontium
Vladimir Schkolnik, Oliver Fartmann, Markus Krutzik
We present the first extended-cavity diode laser in Littrow configuration operating in the cyan wavelength range around 497 nm. The gallium-nitride based diode laser features a fre…
Space-borne Bose-Einstein condensation for precision interferometry
Dennis Becker, Maike D. Lachmann, Stephan T. Seidel +32
Space offers virtually unlimited free-fall in gravity. Bose-Einstein condensation (BEC) enables ineffable low kinetic energies corresponding to pico- or even femtokelvins. The comb…
JOKARUS - Design of a compact optical iodine frequency reference for a sounding rocket mission
Vladimir Schkolnik, Klaus Döringshoff, Franz Balthasar Gutsch +9
We present the design of a compact absolute optical frequency reference for space applications based on hyperfine transitions in molecular iodine with a targeted fractional frequen…
Miniaturized lab system for future cold atom experiments in microgravity
Sascha Kulas, Christian Vogt, Andreas Resch +18
We present the technical realization of a compact system for performing experiments with cold and atoms in microgravity in the future. The whol…
Autonomous frequency stabilization of two extended cavity diode lasers at the potassium wavelength on a sounding rocket
Aline N. Dinkelaker, Max Schiemangk, Vladimir Schkolnik +14
We have developed, assembled, and flight-proven a stable, compact, and autonomous extended cavity diode laser (ECDL) system designed for atomic physics experiments in space. To tha…
Differential atom interferometry with Rb and Rb for testing the UFF in STE-QUEST
C Schubert, J Hartwig, H Ahlers +18
In this paper we discuss in detail an experimental scheme to test the universality of free fall (UFF) with a differential Rb / Rb atom interferometer applicable for e…
Interferometry with Bose-Einstein Condensates in Microgravity
H. Müntinga, H. Ahlers, M. Krutzik +41
Atom interferometers covering macroscopic domains of space-time are a spectacular manifestation of the wave nature of matter. Due to their unique coherence properties, Bose-Einstei…