Robust spatial-polarization hyperentanglement distribution of two-photon systems against collective noise
Cheng‐Yan Gao, Guan-Yu Wang, Faris Saeed Alzahrani, Aatef D. Hobiny, Fu‐Guo Deng · Journal of Physics B Atomic Molecular and Optical Physics · 2017
Abstract Hyperentanglement is a significant resource for high-capacity quantum communication. Here we present a robust spatial-polarization hyperentanglement distribution scheme for two-photon systems. The error on the polarization states of two-photon systems transmitted from two paths can be corrected resorting to the robust time-bin entanglement which suffers little from the channel noise. The spatial bit-flip error takes place with a very small probability and the spatial phase-flip error can be precluded by adjusting the path-length of spatial modes. Using this scheme, the two parties in quantum communication can share a maximally hyperentangled state of two-photon systems in a deterministic way, which will improve the efficiency of quantum communication largely.