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This breakthrough demonstrates a critical advancement in quantum networking by successfully transmitting quantum information over 13 miles of open air without relying on fiber-optic cables. By leveraging astronomical-grade optics to maintain signal integrity across this distance, the project expands an existing 161-mile network and proves that wireless quantum links are viable for scaling future infrastructure.
Stony Brook’s Quantum Watchtower sends light to Brookhaven
Stony Brook’s Quantum Watchtower successfully sends quantum information via light to Brookhaven National Laboratory, 13 miles away.
Researchers at the U.S. Department of Energy’s Brookhaven National Laboratory and Stony Brook University successfully transmitted quantum information via light between their institutions, marking the first such demonstration in the United States. The team used facilities at Stony Brook to generate quantum states of light containing a few photons, sending them 13 miles through open air to Brookhaven’s Quantum Lighthouse. This achievement extends a quantum network currently spanning 161 miles and connecting eight nodes, and moves beyond the limitations of fiber-optic cables, as DOE Under Secretary for Science Darío Gil stated, “The future of quantum information science will depend not only on what individual…
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