Deterministic atom-mediated entanglement replaces probabilistic photon interactions with high fidelity photon-atom gates.

https://thequantuminsider.com/2025/07/07/deterministic-entanglement-for-photonic-quantum-computing-atom-as-interface/

"single rubidium-87 atoms coupled to optical resonators generate single photons entangled through SWAP/ CZ gates... modular nodes reconfigured in real time to serve as photon sources, gate units, stitching modules, supporting flexible architectures... each atomic excitation yields exactly 1 photon, eliminating need for multiplexing/ heralding... intermediary atom computational gatekeeper not just photon source... >99.6% fidelity, no need for direct photon interaction, enabling scaling... fast, built for modular deployment"