The Optical Parametric Oscillator: a Bright and Colorful Entangler
A. S. Coelho, F. A. S. Barbosa, A. J. de Faria, K. N. Cassemiro, Alessandro S. Villar, M. Martinelli, P. Nussenzveig · International Conference on Quantum Information · 2011
We describe the direct generation of tripartite three-color entanglement from a single optical parametric oscillator. The robustness of bipartite and tripartite entanglement against losses is also experimentally investigated.