Photon Technology Co.
Chinese pioneer in the industrialization of superconducting nanowire single-photon detectors (SNSPD), holding over 80% domestic market share.
Last updated September 29, 2026
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Overview
Photon Technology Co. (赋同量子科技（浙江）有限公司), commonly known as 赋同量子 or Photec, is a Chinese high-tech enterprise founded in 2017 and headquartered in Zhejiang Province. The company specializes in the research, development, production, and sales of superconducting nanowire single-photon detectors (SNSPD) and related peripheral equipment. It is recognized as a pioneer and leader in the industrialization of SNSPD technology in China, with its core product performance reaching internationally advanced levels and a domestic market share exceeding 80%. The company's product portfolio includes SNSPD systems (such as the COOPER, BRAGG, and GAUSS series), photon-number-resolving detectors (PNR-SSPD), cryogenic measurement and control integrated systems, low-temperature cryostats, SQUID sensors and electronics, near-infrared single-photon confocal microscopes (Qumi series), temperature controllers, and various vacuum and optical components. These products serve quantum information processing, laser ranging, biological imaging, surface chemistry, astronomical observation, and integrated circuit non-destructive testing. Photon Technology Co. has deeply participated in major original research achievements, including the "Jiuzhang" photonic quantum computing advantage experiment, thousand-kilometer fiber quantum key distribution experiments, and metropolitan quantum network experiments based on entanglement. Its SNSPD products have supported over 500 high-level papers published by users. The company has undertaken projects from the Ministry of Science and Technology's 2030 Quantum Special Project and provincial and municipal major science and technology projects, and has led or participated in the development of international, national, and industry standards. It is a national high-tech enterprise and a Zhejiang Province "specialized, refined, distinctive, and innovative" SME. The founder, Researcher You Lixing, is a national-level innovation leader and recipient of the State Council Special Government Allowance. He founded the company in 2016 (officially established in 2017) to commercialize SNSPD devices and systems. Under his leadership, the company has achieved numerous milestones, including the establishment of Photon Technology (Italy) in 2023 and the launch of new products such as the 14U SNSPD cabinet and Qumi confocal microscope in 2024. The company continues to expand its applications and global user base, with over 200 users worldwide.
History
Photon Technology Co. (赋同量子科技（浙江）有限公司) was founded in 2017 by Researcher You Lixing, a leading expert in superconducting electronics. The company emerged from the Single Photon Group established in 2007 at the Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences. Its mission was to industrialize superconducting nanowire single-photon detector (SNSPD) technology, which had been developed in academic laboratories but had not yet been commercialized in China. In its early years, the company focused on developing high-performance SNSPD systems. By 2022, it had achieved a significant milestone: the sale of 100 SNSPD units. This demonstrated growing market acceptance and the company's ability to scale production. In 2023, Photon Technology was recognized as a Zhejiang Province "specialized, refined, distinctive, and innovative" SME, and it opened its Italian subsidiary, Photon Technology (Italy), marking its first international expansion. The company also received the CIIF Innovation Leadership Award and became a member of the Quantum Information Network Industry Alliance. In 2024, the company continued to innovate, launching the "Photemp C" series temperature controller, the 14U SNSPD cabinet, and the Qumi superconducting detection laser scanning confocal microscope. Founder You Lixing received the prestigious IEEE CSC Carl H. Rosner Entrepreneurship Award for his achievements in superconducting technology entrepreneurship. The company also assisted the University of Science and Technology of China (USTC) in building the world's first metropolitan three-node quantum entanglement network. By 2025, Photon Technology had undertaken projects from the Shanghai 2024 Quantum Technology Program and the 2025 Key Technology R&D Program for Scientific Instruments. It achieved 500 Mbps photon-counting communication and obtained intellectual property compliance management system certification. The company's SNSPD systems have been used in major quantum experiments, including the "Jiuzhang" photonic quantum computing advantage experiment, thousand-kilometer fiber quantum key distribution, and metropolitan quantum network experiments. Its products have supported over 500 high-level papers published by users, and its domestic market share exceeds 80%. With over 200 users worldwide, Photon Technology Co. continues to lead the industrialization of SNSPD technology and expand its applications in laser ranging, biological imaging, surface chemistry, astronomical observation, and integrated circuit non-destructive testing.
- 2025
Undertook Shanghai 2024 Quantum Technology Program project.
- 2025
Assisted in achieving 500 Mbps photon-counting communication.
- 2025
Undertook Science and Technology Innovation 2030 related tasks.
- 2025
Founder You Lixing invited to the 150th anniversary international symposium of the Metre Convention.
- 2025
Undertook Shanghai 2025 Key Technology R&D Program "Scientific Instruments" project.
- 2025
Obtained intellectual property compliance management system certification.
- 2024
Launched "Photemp C" series temperature controller.
- 2024
Launched 14U superconducting nanowire single-photon detector cabinet.
- 2024
Launched Qumi superconducting detection laser scanning confocal microscope.
- 2024
Assisted USTC in building the world's first metropolitan three-node quantum entanglement network.
Products and positioning
High-end superconducting devices and systems for quantum information processing; international leading performance, domestic market leader.
COOPER series SNSPD
Superconducting nanowire single-photon detectors available in Apex, Quiet, and Classic models.
GAUSS series photon-number-resolving SNSPD
Photon-number-resolving detector with high fidelity and resolution.
BRAGG series multi-pixel SNSPD
Multi-pixel superconducting nanowire single-photon detector.
Qumi series single-photon confocal microscope
Near-infrared single-photon confocal microscope for biological imaging.
14U SNSPD cabinet
Compact 14U rack-mounted SNSPD system.
Low-temperature cryostats
Helium Matrix series cryostats covering 0.3 K to 4.2 K.
SQUID sensors and electronics
Superconducting quantum interference device sensors and electronics.
Photemp C series temperature controller
Temperature controller for cryogenic systems.
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