Genuine Counterfactual Communication with a Nanophotonic Processor

Author(s)
I. Alonso Calafell, T. Strömberg, D. R. M. Arvidsson-Shukur, L. A. Rozema, V. Saggio, C. Graganti, N. C. Harris, M. Prabhu, J. Carolan, M. Hochberg, T. Baehr-Jones, D. Englund, C. H. W. Barnes, P. Walther
Abstract

In counterfactual communication particles and information can travel in opposite directions. With our high-fidelity programmable nanophotonic processor we implement the first trace-free counterfactual protocol without post-selection with a counterfactual violation as low as 2.4%.

Organisation(s)
Quantum Optics, Quantum Nanophysics and Quantum Information
External organisation(s)
University of Cambridge, Massachusetts Institute of Technology, Elenion Technologies
No. of pages
2
DOI
https://doi.org/10.1364/CLEO_QELS.2019.FTh4A.3
Publication date
2019
Peer reviewed
Yes
Austrian Fields of Science 2012
103026 Quantum optics
ASJC Scopus subject areas
Electronic, Optical and Magnetic Materials, Safety, Risk, Reliability and Quality, Instrumentation, Atomic and Molecular Physics, and Optics, Spectroscopy, Radiology Nuclear Medicine and imaging, Industrial and Manufacturing Engineering, Management, Monitoring, Policy and Law
Portal url
https://ucrisportal.univie.ac.at/en/publications/e7b998af-98a6-482e-af59-91c56335646b