Recently, the Shanghai Institute of Microsystems of the Chinese Academy of Sciences and China Shipbuilding Heavy Industry Pengli (Nanjing) Ultra Low Temperature Technology Co., Ltd. signed a cooperation agreement in Nanjing, the two sides will formally cooperate to develop a superconducting single photon detection system.
Superconducting nanowire single photon detection technology is the single-photon detection technology with the best comprehensive performance in the near-infrared band. It has important application prospects in the fields of quantum communication, deep space communication, laser radar, fiber sensing and bio-fluorescence spectroscopy. The Superconducting Research Laboratory of Shanghai Microsystems has mastered the core technologies of material growth, device design and preparation, and system integration in superconducting single photon detection technology, and has obtained the development of high performance superconducting single photon detectors. Breakthrough progress, under the condition of 1550nm wavelength and 100Hz dark count, the highest system detection efficiency has exceeded 70%, reaching the international advanced level.
At present, superconducting single photon detection technology has initially established the basis of industrialization. China Shipbuilding Heavy Industry (Nanjing) Ultra-Low Temperature Technology Co., Ltd. is the only company in China that has the ability to develop commercial 4K refrigerators. It has long-term cooperation with Shanghai Microsystems in the development of cryostats, and has mastered the design and development of thermostats. Key technology. Both parties have a strong interest in the industrialization of superconducting single photon detection technology systems. Through cooperation, the two parties intend to complete the research and development of China's first commercial multi-channel superconducting single photon detection technology system within six months, and jointly promote superconducting single photon detection technology to develop the market.
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