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A quantum information processor with trapped ions
Philipp Schindler, Daniel Nigg, Thomas Monz +10
Quantum computers hold the promise to solve certain problems exponentially faster than their classical counterparts. Trapped atomic ions are among the physical systems in which bui…
Device-independent demonstration of genuine multipartite entanglement
Julio T. Barreiro, Jean-Daniel Bancal, Philipp Schindler +5
Entanglement in a quantum system can be demonstrated experimentally by performing the measurements prescribed by an appropriate entanglement witness. However, the unavoidable misma…
Quantum simulation of open-system dynamical maps with trapped ions
P. Schindler, M. Müller, D. Nigg +7
Dynamical maps describe general transformations of the state of a physical system, and their iteration can be interpreted as generating a discrete time evolution. Prime examples in…
Undoing a quantum measurement
Philipp Schindler, Thomas Monz, Daniel Nigg +6
In general, a quantum measurement yields an undetermined answer and alters the system to be consistent with the measurement result. This process maps multiple initial states into a…
Hyperentanglement-enabled Direct Characterization of Quantum Dynamics
Trent M. Graham, Julio T. Barreiro, Masoud Mohseni +1
We use hyperentangled photons to experimentally implement an entanglement-assisted quantum process tomography technique known as Direct Characterization of Quantum Dynamics. Specif…
Experimental characterization of quantum dynamics through many-body interactions
Daniel Nigg, Julio T. Barreiro, Philipp Schindler +5
We report on the implementation of a quantum process tomography (QPT) technique known as direct characterization of quantum dynamics (DCQD) applied on coherent and incoherent singl…