224 citations · 2.1k across the 39 of their papers we have counts for
25 papers · 1 filter
Three-dimensional imaging of single atoms in an optical lattice via helical point-spread-function engineering
Tangi Legrand, Falk-Richard Winkelmann, Wolfgang Alt +3
We demonstrate a method for determining the three-dimensional location of single atoms in a quantum gas microscopy system using a phase-only spatial light modulator to modify the p…
Boson sampling with ultracold atoms in a programmable optical lattice
Carsten Robens, Iñigo Arrazola, Wolfgang Alt +4
Sampling from a quantum distribution can be exponentially hard for classical computers and yet could be performed efficiently by a noisy intermediate-scale quantum device. A prime…
Quantum Speed Limit for States with a Bounded Energy Spectrum
Gal Ness, Andrea Alberti, Yoav Sagi
Quantum speed limits set the maximal pace of state evolution. Two well-known limits exist for a unitary time-independent Hamiltonian: the Mandelstam-Tamm and Margolus-Levitin bound…
Direct measurement of the Wigner function of atoms in an optical trap
Falk-Richard G. Winkelmann, Carrie A. Weidner, Gautam Ramola +3
We present a scheme that uses Ramsey interferometry to directly probe the Wigner function of a neutral atom confined in an optical trap. The proposed scheme relies on the well-esta…
Observing crossover between quantum speed limits
Gal Ness, Manolo R. Lam, Wolfgang Alt +3
Quantum mechanics sets fundamental limits on how fast quantum states can be transformed in time. Two well-known quantum speed limits are the Mandelstam-Tamm and the Margolus-Leviti…
Demonstration of quantum brachistochrones between distant states of an atom
Manolo R. Lam, Natalie Peter, Thorsten Groh +7
Transforming an initial quantum state into a target state through the fastest possible route---a quantum brachistochrone---is a fundamental challenge for many technologies based on…