Parallelized Telecom Quantum Networking with a Ytterbium-171 Atom Array

An in-depth look at how a one-dimensional array of Yb-171 nuclear-spin qubits enables scalable quantum networking. We explore direct generation of photons at 1389 nm (telecom band) to achieve high entanglement fidelity (~0.95) without frequency conversion, and how spatial multiplexing across multiple atom–fiber channels yields parallel entanglement generation. We also cover mid-circuit networking with a shielding technique that protects memory qubits during communication, tying together fast, long-distance quantum links with stable quantum memories and discussing implications for distributed quantum computing, clock networks, and sensing.

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