Front Cover: Single‐Particle Entanglement (Adv. Quantum Technol. 10/2020). Issue 10 (5th October 2020)

• Record Type: Journal Article
• Authors: Azzini, Stefano; Mazzucchi, Sonia; Moretti, Valter; Pastorello, Davide; Pavesi, Lorenzo
• Is Part Of: Advanced quantum technologies. Volume 3:Issue 10(2020)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2020-10-05
• Subjects: Quantum theory -- Periodicals; Quantum computing -- Periodicals; Quantum chemistry -- Periodicals; Quantum electronics -- Periodicals; 537.5
• DOI: 10.1002/qute.202070101
• Languages: English
• ISSNs: 2511-9044

Abstract

Abstract : The cover shows the input stage of a setup to produce single‐particle entangled states of photons where the momentum and polarization degrees of freedom are entangled (see the formula). A classical light source formed by a green light‐emitting diode is used. The data in the plot show the violation of the Bell inequality by the single‐particle entangled states. Pictorially a Schrödinger cat is testing the photon beam (image author Bianca Moretti). For further details on single‐particle entanglement see the Review by Lorenzo Pavesi and co‐workers, article number 2000014 .