Publication record · 18.cifr/2001.duan.dlcz-quantum-repeater
18.cifr/2001.duan.dlcz-quantum-repeaterQuantum communication over long distances is important for quantum cryptography and distributed quantum computing. The protocol uses atomic ensembles as quantum memories and linear optics for entanglement generation and swapping, achieving polynomial scaling of communication time with distance.
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Authors identified atomic coherence time and detector dark counts as primary limitations. Extensions include multiplexed ensemble memories, multi-mode storage for higher rates, and integration with solid-state platforms. Full quantum network support requires improved memory readout fidelity.