Experimental methods for detecting entanglement.


Here we present experimental realizations of two new entanglement detection methods: a three-measurement Bell inequality inequivalent to the Clauser-Horne-Shimony-Holt inequality and a nonlinear Bell-type inequality based on the negativity measure. In addition, we provide an experimental and theoretical comparison between these new methods and several techniques already in use: the traditional Clauser-Horne-Shimony-Holt inequality, the entanglement witness, and complete state tomography.

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@article{Altepeter2005ExperimentalMF, title={Experimental methods for detecting entanglement.}, author={Joseph Altepeter and Evan Jeffrey and Paul Kwiat and Solgerd Tanzilli and Nicolas Gisin and Antonio Acin}, journal={Physical review letters}, year={2005}, volume={95 3}, pages={033601} }