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Quantum Computing Inc. (Nasdaq: QUBT) develops quantum optics and integrated photonics technologies designed for practical deployment and scalable manufacturing. QCi's capabilities span quantum machines, photonic components and subsystems, and thin-film lithium niobate (TFLN) foundry services.

QCi focuses on room-temperature, low-power technologies that support applications in high-performance computing, artificial intelligence, cybersecurity, aerospace and defense, sensing, and imaging. By combining advanced materials, photonic engineering, and vertically integrated manufacturing, QCi helps accelerate the transition of quantum and photonic technologies from research to real-world systems.

Headquartered in Hoboken, New Jersey, QCi operates facilities in Arizona, California, Illinois, Massachusetts, and Virginia.