Quantum

Quantum Source’s QS-LINK Uses a Single Atom to Help Quantum Processors Connect

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 08/10/2026, 15:19:26 UTC.

Briefings

Quantum Source unveiled QS-LINK, a proprietary interconnect using a single rubidium atom as quantum memory to link quantum processors over standard optical fiber. The system removes the requirement for simultaneous photon arrival, reducing entanglement generation attempts by roughly 60-fold compared to conventional linear-optics methods. Modeling projects the rate to reach 3.2 million entangled pairs per second, a rate within reach of current trapped-ion systems. The technology was developed by the Weizmann Institute's Prof. Barak Dayan's group and is powered by the ORIGIN engine, which was unveiled in September 2025.

Key points

• QS-LINK uses a single rubidium atom as quantum memory to establish entanglement between processors without requiring simultaneous photon arrival, reducing entanglement generation attempts by approximately 60 times compared to conventional linear-optics methods.
• Modeling projects the QS-LINK system to generate roughly 3.2 million entangled pairs per second, a rate within reach of trapped-ion systems today, assuming a photon-atom gate with 98.4% efficiency and a 20 nanosecond completion time.

Context and limitations

The provided evidence is based on analytical modeling and Monte Carlo simulation, not a full end-to-end demonstration. A complete physical demonstration is required to validate the projected performance and confirm the system's readiness for fault-tolerant quantum computing applications.

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