Experimental achievement of the entanglement-assisted capacity for the depolarizing channel
Authors: Chiuri A., Giacomini S., Macchiavello C., Mataloni P.
Autors Affiliation: Dipartimento di Fisica, Sapienza Universita di Roma, Piazzale Aldo Moro 5, I-00185 Roma, Italy; Dipartimento di Fisica and INFN-Sezione di Pavia, via Bassi 6, 27100 Pavia, Italy; Istituto Nazionale di Ottica (INO-CNR), Largo E. Fermi 6, I-50125 Firenze, Italy
Abstract: We experimentally demonstrate the achievement of the entanglement-assisted capacity for classical information transmission over a depolarizing channel. The implementation is based on the generation and local manipulation of two-qubit Bell states, which are finally measured at the receiver by realizing projective measurements in the Bell basis. The depolarizing channel is realized by introducing quantum noise in a controlled way on one of the two qubits. This work represents an investigation into the amount of information that can be shared in the presence of noise.
Journal/Review: PHYSICAL REVIEW A
Volume: 87 (2) Pages from: 022333 to: 022333
More Information: This work was supported by EU-Project CHISTERA-QUASAR, PRIN 2009, and FIRB-Futuro in ricerca HYTEQ.KeyWords: CLASSICAL CAPACITY; QUANTUMDOI: 10.1103/PhysRevA.87.022333Citations: 8data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2023-12-03References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click hereConnecting to view citations from IsiWeb: Click here