Year: 2025
Type: article
Abstract: We introduce the concept of giant superatoms (GSAs), where two or more interacting atoms are nonlocally coupled to a waveguide through one of them, and explore their unconventional quantum dynamics. For braided GSAs, this setup enables decoherence-free transfer and swapping of their internal entangled states. For separate GSAs, engineering coupling phases leads to state-dependent chiral emission, which enables selective, directional quantum information transfer. This mechanism further facilitates remote generation of W-class entangled states. Our results thereby open exciting possibilities for quantum networks and quantum information processing.
Source: Physical Review Letters
DOI: 10.1103/crzs-k718
Institutions: Chalmers University of Technology, Xi'an Jiaotong University
Language: English
Subfield: Artificial Intelligence
Field: Computer Science
Domain: Physical Sciences
Open Access status: hybrid
Estimated APC paid: $3,750
Funders: Stiftelsen för Strategisk Forskning, National Natural Science Foundation of China, Knut och Alice Wallenbergs Stiftelse, Stiftelsen för Strategisk Forskning, Horizon 2020 Framework Programme, HORIZON EUROPE Framework Programme, Wallenberg Centre for Molecular and Translational Medicine, Wallenberg Center for Quantum Technology, Chalmers University of Technology
OpenAlex ID: W4416626772