Preservation of entanglement in a slow light medium
Curtis J. Broadbent, Ryan M. Camacho, Ran Xin, John C. Howell · Conference on Lasers and Electro-Optics · 2008
We demonstrate the preservation of entanglement of an energy-time entangled biphoton through a slow light medium. After delay of one photon by ~1.3 correlation lengths, the 1.3 THz biphoton still violates a Bell inequality.