Hamamatsu Photonics K.K.

Hamamatsu Photonics is a major Japanese photonics company partnering on Japan's cold atom quantum computing initiative, providing optical components and detection systems for quantum applications. With decades of experience in photomultiplier tubes, photodiodes, and imaging sensors, Hamamatsu supplies critical photonic components for quantum computing, quantum sensing, and quantum communication systems. The company's quantum division supports the broader Japanese quantum technology ecosystem with world-class optical detection and measurement capabilities.