Abstract
We report entanglement swapping with time-bin entangled photon pairs, each constituted of a 795-nm photon and a 1533-nm photon, that are created via spontaneous parametric down conversion in a nonlinear crystal. After projecting the two 1533-nm photons onto a Bell state, entanglement between the two 795-nm photons is verified by means of quantum state tomography. As an important feature, the wavelength and bandwidth of the 795-nm photons is compatible with -based quantum memories, making our experiment an important step towards the realization of a quantum repeater.
- Received 22 September 2014
DOI:https://doi.org/10.1103/PhysRevA.92.012329
©2015 American Physical Society