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Quantum Repeater Breakthrough: Teleporting Entanglement Across Independent Quantum Dots
Manage episode 520501861 series 3690682
Mike Breault에서 제공하는 콘텐츠입니다. 에피소드, 그래픽, 팟캐스트 설명을 포함한 모든 팟캐스트 콘텐츠는 Mike Breault 또는 해당 팟캐스트 플랫폼 파트너가 직접 업로드하고 제공합니다. 누군가가 귀하의 허락 없이 귀하의 저작물을 사용하고 있다고 생각되는 경우 여기에 설명된 절차를 따르실 수 있습니다 https://ko.player.fm/legal.
We explore a November 2025 milestone from Stuttgart, Saarbrücken, and Dresden where researchers teleported a photon's polarization state between two independent quantum dots. The breakthrough hinges on perfectly indistinguishable photons and quantum frequency conversion to enable entanglement swapping across fiber, advancing the dream of a secure quantum internet. We break down why quantum repeaters matter for long-distance QKD and distributed quantum computing, how the no-cloning theorem drives the need for this approach, and what the 70% success rate and real-world 36 km tests mean for moving from lab demos toward scalable, fault-tolerant quantum networks.
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