Integrated photonic quantum gates for polarization qubits
The ability to manipulate quantum states of light by integrated devices may open new
perspectives both for fundamental tests of quantum mechanics and for novel technological …
perspectives both for fundamental tests of quantum mechanics and for novel technological …
Collective randomized measurements in quantum information processing
The concept of randomized measurements on individual particles has proven to be useful
for analyzing quantum systems and is central for methods like shadow tomography of …
for analyzing quantum systems and is central for methods like shadow tomography of …
Testing the structure of multipartite entanglement with Bell inequalities
We show that the rich structure of multipartite entanglement can be tested following a device-
independent approach. Specifically we present Bell inequalities for distinguishing between …
independent approach. Specifically we present Bell inequalities for distinguishing between …
Fully nonlocal quantum correlations
Quantum mechanics is a nonlocal theory, but not as nonlocal as the no-signalling principle
allows. However, there exist quantum correlations that exhibit maximal nonlocality: they are …
allows. However, there exist quantum correlations that exhibit maximal nonlocality: they are …
Verification of phased Dicke states
Dicke states are typical examples of quantum states with genuine multipartite entanglement.
They are valuable resources in many quantum information processing tasks, including …
They are valuable resources in many quantum information processing tasks, including …
Achieving the Heisenberg limit with Dicke states in noisy quantum metrology
Going beyond the standard quantum limit in noisy quantum metrology is an important and
challenging task. Here we show how Dicke states can be used to surpass the standard …
challenging task. Here we show how Dicke states can be used to surpass the standard …
Classification of entanglement in symmetric states
M Aulbach - International Journal of Quantum Information, 2012 - World Scientific
Quantum states that are symmetric with respect to permutations of their subsystems appear
in a wide range of physical settings, and they have a variety of promising applications in …
in a wide range of physical settings, and they have a variety of promising applications in …
Experimental quantum networking protocols via four-qubit hyperentangled dicke states
We report the experimental demonstration of two quantum networking protocols, namely
quantum<? format?> 1→ 3 telecloning and open-destination teleportation, implemented …
quantum<? format?> 1→ 3 telecloning and open-destination teleportation, implemented …
Experimentally feasible set of criteria detecting genuine multipartite entanglement in -qubit Dicke states and in higher-dimensional systems
We construct a set of criteria detecting genuine multipartite entanglement in arbitrary
dimensional multipartite systems. These criteria are optimally suited for detecting multipartite …
dimensional multipartite systems. These criteria are optimally suited for detecting multipartite …
Quantifying entanglement with scattering experiments
We show how the entanglement contained in states of spins arranged on a lattice may be
lower bounded with observables arising in scattering experiments. We focus on the partial …
lower bounded with observables arising in scattering experiments. We focus on the partial …