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The article's primary subject is quantum technology, specifically focusing on a breakthrough in intermodal quantum key distribution (QKD) and related funding for photonic qubit development. While the text mentions general software or business contexts briefly, the core technical achievements regarding free-space links, adaptive optics, and deterministic light generation are central to the narrative. TechPulse take: Researchers have successfully demonstrated an 18-km intermodal quantum key distribution link using adaptive optics and room-temperature detectors, marking a significant step toward scalable quantum networks. Concurrently, Sparrow Quantum secured EuroHPC funding to advance its photonic qubit platform, highlighting the European push for market-ready quantum hardware. These developments underscore the transition from theoretical research to practical, deployable quantum communication infrastructure.
Intermodal QKD Achieves 18km Free-Space Link Milestone

Researchers demonstrated intermodal quantum key distribution (QKD) over an 18-km free-space link. This trial connected a remote terminal to an urban optical ground station using a 40-cm-class telescope.
Good day, quantum explorers. Researchers demonstrated intermodal quantum key distribution (QKD) over an 18-km free-space link, a critical step for scalable quantum networks. This trial connected a remote terminal to an urban optical ground station using a 40-cm-class telescope. An adaptive optics system corrected turbulence-induced wavefront aberrations, enabling secure key generation at 200 bit/s with room-temperature…
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