Cluster State Generation Using Fibre Sources
Alex S. Clark, Bryn A. Bell, Jérémie Fulconis, M. Halder, John G. Rarity, Mark Tame, M. S. Kim · 2010
By pumping a birefringent photonic crystal fibre in opposite directions we generate time-bandwidth limited entangled photon pairs. Performing a fusion gate on photons from two independent sources we create and characterize a four-qubit cluster state.