QuantumCTek(SH:688027) Shang Hai Zheng Quan Bao·2025-10-12 21:33Core Insights - The world's first four-channel ultra-low noise semiconductor single-photon detector has been mass-produced in Hefei, marking a significant advancement in quantum detection technology [1][3]. Company Developments - The single-photon detector is developed by GuoDun Quantum, a leading company in quantum technology, and represents a breakthrough in the field, as it surpasses existing single-channel products [4][6]. - The new detector's design allows for a compact size, being only 1/9 the volume of international single-channel products, thus enabling complex detection tasks previously requiring multiple devices [5][6]. Technical Achievements - The new detector achieves a maximum detection efficiency increase from 25% to 35%, with a significant reduction in dark noise levels by approximately 90%, reaching about 100Hz [4][5]. - The development team overcame several technical challenges, including miniaturization of the cryogenic system and suppression of crosstalk between channels, achieving a lowest operating temperature of -120°C [4][6]. Market Impact - The new single-photon detector is already serving top domestic research institutions and has the capability for mass production and delivery [6]. - Following the announcement of the Nobel Prize in Physics awarded for contributions to quantum mechanics, quantum technology stocks, including GuoDun Quantum, saw significant market activity, with GuoDun Quantum's stock rising by 17.91% [8].