Experimental Device-independent Certification of GHZ States

• DOI: 10.1364/quantum.2024.qm2c.7
• Publication Date: 2024-09-03T15:19:14Z
• Authors: Mariana M. E. Schmid; Michael Antesberger; Huan Cao; Wen-hao Zhang; Borivoje Dakič; Lee A. Rozema; Philip Walther
• Keywords: 103026 Quantum optics; 102040 Quantencomputing; 103026 Quantenoptik; 102040 Quantum computing

We experimentally demonstrate a device-independent verification and certification of tripartite GHZ states in sample-efficient way. Our high-performance table-top multiphoton source promises high fidelity confidence level, by consuming only few hundred samples.