NTT, OptQC Team Up to Build 1-Million Qubit Optical Quantum Computer by 2030
Japanese technology major NTT Inc has partnered with quantum computing startup OptQC Corp to accelerate the development of large-scale optical quantum computers. They are targeting one million qubits by 2030. The collaboration will combine NTT’s advanced optical communication technologies with OptQC’s expertise in optical quantum computing. This is to build scalable, reliable systems.
The agreement outlines a five-year roadmap. In the first year, both companies will begin technical studies and explore partnerships to identify potential use cases. By the second year, they plan to establish a development environment, followed by use-case testing in the third year. The initiative was announced at the 2025 R&D Forum in Tokyo, where leaders from both companies signed the agreement.
The partnership aims to drive practical adoption of optical quantum computing to help address complex societal challenges. It also includes efforts to create use cases, develop algorithms, and build a supply chain for future quantum systems. NTT will contribute its optical technologies and error-correction research under its IOWN initiative. Meanwhile, OptQC will provide its quantum computing platform.
NTT, based in Tokyo, is a global technology and telecom leader. In contrast, OptQC is a startup focused on developing room-temperature, general-purpose optical quantum computers.
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