Arq Quantum Technologies Secures $1.4M Pre-Seed for Multiplexed Quantum Repeaters - Quantum Computing Report

Spanish quantum networking startup Arq Quantum Technologies has raised $1.4 million in a pre-seed funding round to accelerate the development of its long-distance quantum communication hardware. The investment was led by early-stage venture capital firm Ground State Ventures, with participation from Big Sur Ventures. Founded in 2025 by prominent quantum scientists Samuele Grandi and Emanuele Distante, the company will use the capital to build a state-of-the-art laboratory and advance the reproducibility and reliability of its next-generation quantum memory devices. Scaling Long-Distance Quantum States via Solid-State Multiplexing Just as classical internet networks rely on boosters to transmit light signals over long distances, [...]

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