Quantum China is a weekly periodical focusing on China’s quantum information technology, provide a voice for the Chinese quantum technology. It mainly focuses on eight major directions: Policy, Capital, Business, Technology, Research, Education, Conference, and People. Providing researchers, Interested parties, and industry pioneers with all the latest developments in China’s quantum field.
Capital
Bose Quantum closes Angel Plus round of financing
Bose Quantum has completed consecutive Angel Plus rounds following the completion of its angel round. The round was led by Yuanhe Capital and followed by several institutions. After this round of financing, Bose Quantum will continue to invest in hardware technology research and development, prototype manufacturing, and market application layout of the relevant quantum computing devices.
Business
Quantum computing technology science popularization advanced training course will start soon
Hosted by Hefei High-tech Zone Entrepreneur University, Hefei High-tech Zone Personnel and Labor Bureau, Hefei Origin Quantum Computing Technology Limited Liability Company, the “Quantum Computing Technology Advanced Workshop” will be held from July 27 to 28 in Hefei High-tech Zone International Talent City. The total number of participants in this workshop is limited to 60, and the participants are for the personnel of enterprises and institutions in the high-tech zone.
QuantumCTek’s Two QKD Products Receive Commercial Cryptography Test Reports
QuantumCTek’s independently developed high-speed polarization coding QKD products and time-phase coding QKD products have recently received test reports issued by the Commercial Cryptography Testing Center of the State Cryptography Administration. By now, QuantumCTek is able to provide cryptographically compliant QKD products for most of the application scenarios, including metro, intercity, and special channel environments.
QUDOOR passed the QES management system certification audit
QUDOOR passed the certification of “Quality Management System”, “Environmental Management System” and “Occupational Health and Safety Management System” (hereinafter referred to as QES system), and obtained the certification. This certification is a comprehensive test of the standardization, standardization and refinement of the management of QUDOOR.
XT-QRNG100 series quantum random number generator passed the test
XT-QRNG100 series quantum random number generator developed by XT Quantech has recently passed the authoritative test of China Academy of Information and Communications Technology (CAICT) Thayer Laboratory and obtained the test report issued by CAICT, which is the first batch of miniaturized quantum random number generator products in China to obtain authoritative certification.
Research
Collaboration between Xianmin Jin’s team at Shanghai Jiao Tong University and academician Jiaming Li makes progress in the study of room temperature quantum networks
The team of Xianmin Jin at the School of Physics and Astronomy of Shanghai Jiao Tong University (SJTU) and academician Jiaming Li have achieved the first experimental establishment of predicted quantum entanglement between independent quantum storage nodes based on room-temperature atomic system synthesis. The team innovatively designed a solution to solve the problem of building predictive quantum entanglement between quantum storage nodes in room-temperature atomic systems, which will further promote the development of quantum networks toward more large-scale scalability and practicality.
paper：https://doi.org/10.1364/OPTICA.424599
Shanghai Jiao Tong University proposes a frame synchronization method for free-space continuous-variable quantum key distribution
Researchers at the Quantum Perception and Information Processing Research Center of Shanghai Jiaotong University (SJTU) have analyzed the frame synchronization problem of free-space continuous-variable quantum key distribution and proposed an efficient frame synchronization method. This method is based on the modulation of special data synchronization frames and channel permeability synchronization frames, and it is verified by simulation that the method can achieve nearly perfect synchronization success rate under different signal-to-noise ratio or phase drift.
paper：https://doi.org/10.1364/OE.433194
Original “noiseless photonic echo” quantum storage solution proposed and realized by CSU
The research group of academician Guangcan Guo at the Chinese University of Science and Technology (CSU) has made an original progress in quantum storage and quantum network research. The research group of Chuanfeng Li and Zongquan Zhou proposed and experimentally realized a noiseless photon echo, which reduced the measured noise by 670 times compared with previous results, and for the first time observed a single photon photon echo and thus realized a high-fidelity solid-state quantum storage. This work was completed by the team from proposal, theoretical analysis to experimental implementation, and the scheme was named “Noiseless photon echo” (NLPE) and applied for patent, which is an original quantum storage scheme with independent intellectual property rights.
paper：https://www.nature.com/articles/s41467-021-24679-4
Research team made a major breakthrough in the study of high-temperature superconductivity mechanism
The research team of Associate Professor Ding Zhang and Professor Qikun Xue from the Department of Physics of Tsinghua University, in collaboration with colleagues from home and abroad, has found that s-wave pairing dominates in copper oxides by preparing high-quality Josephson junctions with atomically flat interfaces. This result overturns the mainstream understanding that copper-based high-temperature superconductivity is d-wave paired. This work is not only a significant progress in the study of high-temperature superconductivity in copper oxides, but also points to the right direction for solving the scientific problem of high-temperature superconductivity mechanism.
paper：https://journals.aps.org/prx/abstract/10.1103/PhysRevX.11.031011
Education
The 12 projects of the universities with which Origin Quantum cooperated were successfully approved
The Ministry of Education (MOE) has announced the list of vocational education reform and innovation projects for the year 2021, and all the projects declared in cooperation with Origin Quantum have been approved. The “Science and Innovation in Education” project is a group of education reform and innovation projects established by the Ministry of Education’s Administrative Instruction Committee, aiming to deeply study the key issues affecting education reform and development and talent training quality.
Shanghai Jiao Tong University offers the first ever course on “Quantum Information Technology and Practice
The APRU-VSE program is an online exchange program initiated and organized by the Chinese University of Hong Kong and is based on all member universities of the Pacific Rim University Union (APRU).
more info：https://www.qtumist.com/post/18165
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