Violating Bell’s Inequality with Single-Photon Entangled States using Self-Referential Measurements

Author(s)
Daniel Kun, Teodor Strömberg, Borivoje Dakić, Philip Walther, Lee A. Rozema
Abstract

We violate a CHSH inequality using two copies of single-photon entangled states, simultaneously verifying their entangled nature without the need for post-selection or local oscillators.

Organisation(s)
Quantum Optics, Quantum Nanophysics and Quantum Information
External organisation(s)
Research Network Quantum Aspects of Space Time (TURIS)
DOI
https://doi.org/10.1364/quantum.2025.qm3b.6
Publication date
2025
Peer reviewed
Yes
Austrian Fields of Science 2012
103025 Quantum mechanics, 103026 Quantum optics
ASJC Scopus subject areas
General Computer Science, Space and Planetary Science, Control and Systems Engineering, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Instrumentation
Portal url
https://ucrisportal.univie.ac.at/en/publications/22097cba-d185-4cb5-bd78-1bebc666c7e6