40.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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- University of Maryland, College ParkUS2.2k papers
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14 papers · 2 filters
Principles of an atomtronic transistor
Seth C. Caliga, Cameron J. E. Straatsma, Alex A. Zozulya +1
A semiclassical formalism is used to investigate the transistor-like behavior of ultracold atoms in a triple-well potential. Atom current flows from the source well, held at fixed…
Deterministic Squeezed States with Joint Measurements and Feedback
Kevin C. Cox, Graham P. Greve, Joshua M. Weiner +1
We demonstrate the creation of entangled, spin-squeezed states using a collective, or joint, measurement and real-time feedback. The pseudospin state of an ensemble of $N= 5\times…
A Cold-Strontium Laser in the Superradiant Crossover Regime
Matthew A. Norcia, James K. Thompson
Recent proposals suggest that lasers based on narrow dipole-forbidden transitions in cold alkaline earth atoms could achieve linewidths that are orders of magnitude smaller than li…
Broadband velocity modulation spectroscopy of ThF for use in a measurement of the electron electric dipole moment
Daniel N. Gresh, Kevin C. Cossel, Yan Zhou +2
A number of extensions to the Standard Model of particle physics predict a permanent electric dipole moment of the electron (eEDM) in the range of the current experimental limits.…
Non-linear Spectroscopy of Sr Atoms in an Optical Cavity for Laser Stabilization
Bjarke T. R. Christensen, Martin R. Henriksen, Stefan A. Schäffer +4
We study the non-linear interaction of a cold sample of strontium-88 atoms coupled to a single mode of a low finesse optical cavity in the so-called bad cavity limit and investigat…
Numerical model for atomtronic circuit analysis
Weng W. Chow, Cameron J. E. Straatsma, Dana Z. Anderson
A model for studying atomtronic devices and circuits based on finite temperature Bose-condensed gases is presented. The approach involves numerically solving equations of motion fo…
Rapid production of uniformly-filled arrays of neutral atoms
Brian J. Lester, Niclas Luick, Adam M. Kaufman +2
We demonstrate rapid loading of a small array of optical tweezers with a single Rb atom per site. We find that loading efficiencies of up to 90% per tweezer are achievable i…
Strong Coupling on a Forbidden Transition in Strontium and Nondestructive Atom Counting
Matthew A. Norcia, James K. Thompson
We observe strong collective coupling between an optical cavity and the forbidden spin singlet to triplet optical transition S to P in an ensemble of Sr. Des…
Controllable Asymmetric Matter-wave Beam Splitter and Ring Potential on an Atom Chip
S. J. Kim, H. Yu, S. T. Gang +2
We have constructed an asymmetric matter-wave beam splitter and a ring potential on an atom chip with Bose-Einstein condensates using radio-frequency dressing. By applying rf-field…
s-wave scattering lengths of the strongly dipolar bosons Dy and Dy
Yijun Tang, Andrew Sykes, Nathaniel Q. Burdick +2
We report the measurement of the triplet s-partial-wave scattering length of two bosonic isotopes of the highly magnetic element, dysprosium: for Dy and…
Phase Synchronization between Two Superradiant Lasers
Joshua M. Weiner, Kevin C. Cox, Justin G. Bohnet +1
We experimentally demonstrate synchronization between two distinct ensembles of cold atoms undergoing steady state superradiance within a single longitudinal and transverse mode of…
Optical Feshbach resonances: Field-dressed theory and comparison with experiments
T. L. Nicholson, S. Blatt, B. J. Bloom +4
Optical Feshbach resonances (OFRs) have generated significant experimental interest in recent years. These resonances are promising for many-body physics experiments, yet the pract…
Prospects for a Narrow Line MOT in YO
Alejandra L. Collopy, Matthew T. Hummon, Mark Yeo +2
In addition to being suitable for laser cooling and trapping in a magneto-optical trap (MOT) using a relatively broad (5 MHz) transition, the molecule YO possesses a narrow-l…
Rotational state microwave mixing for laser cooling of complex diatomic molecules
Mark Yeo, Matthew T. Hummon, Alejandra L. Collopy +5
We demonstrate the mixing of rotational states in the ground electronic state using microwave radiation to enhance optical cycling in the molecule yttrium (II) monoxide (YO). This…