Prof. Dr. Otfried Gühne

Bell inequality tests of four-photon six-qubit graph states

Experimental multiparticle entanglement dynamics induced by decoherence

Quantifying entanglement with covariance matrices

Entanglement verification with realistic measurement devices via squashing operations

Multiparticle covariance matrices and the impossibility of detecting graph-state entanglement with two-particle correlations

Compatibility and noncontextuality for sequential measurements

Experimental realization of a controlled-NOT gate with four-photon six-qubit cluster states

Separability criteria and entanglement witnesses for symmetric quantum states

Experimental demonstration of a hyper-entangled ten-qubit Schrödinger cat state

Not all pure entangled states are useful for sub-shot-noise interferometry

Discrimination strategies for inequivalent classes of multipartite entangled states

Increasing the statistical significance of entanglement detection in experiments