Generation of Subnatural Linewidth Biphotons
Shengwang Du, Pavel Kolchin, Chinmay Belthangady, G. Y. Yin, Stephen E. Harris · 2007
We describe the generation of time-energy entangled bipotons with a subnatural linewidth and a correlation time of about 100 ns. We use electromagnetically-induced transparency in a 85Rb two-dimensional magneto-optical trap.