Author(s): S. Gerke, J. Sperling, W. Vogel, Y. Cai, J. Roslund, N. Treps, and C. Fabre
Researchers characterize the multiple ways of entanglement that exist between different frequency bands in a down-converted frequency comb.
[Phys. Rev. Lett. 114, 050501] Published Mon Feb 02, 2015