Abstract From October 13 to 17, the "2013 Diamond Color Center Quantum Information Seminar" (QDiamond 2013: Workshop on Quantum Information using NV Centers in Diamond), organized by Professor Du Jiangfeng from the School of Physics, took place. This event was supported by several renowned institutions, including the Institute of Spin Magnetic Resonance, the University of Science and Technology of China, as well as international universities such as Stuttgart University, Ulm University, Chinese University of Hong Kong, UC Berkeley, Caltech, ETH Zurich, Monash University, the Chinese Academy of Sciences, and Wuhan University of Science and Technology. Over 70 academic groups from around the world participated, bringing together leading experts and scholars in the fields of quantum manipulation and precision detection using diamond color centers. Zhang Shou, Director of the National Natural Science Foundation of China, also attended the conference, showing strong support for the event.
During the seminar, more than 20 international experts presented their latest research findings, covering topics such as quantum information processing, quantum optics, and nanoscale spatial sensing. These presentations provided a comprehensive overview of the cutting-edge developments in both experimental and theoretical studies, and facilitated meaningful discussions and exchanges among participants.
Professor Joerg Wrachtrup from the University of Stuttgart, Germany—recipient of the prestigious Leibniz Award in 2011—delivered a keynote speech titled “Precision Quantum State Preparation: From Optimal Control to Error Correction.†Professor Dmitry Budker from UC Berkeley presented on “Magnetometry and Other Fun Things to Do with NV Ensembles,†while Professor Liu Renbao from the Chinese University of Hong Kong shared insights on “Exploitation of Central Spin Coherence for Sensing and More.â€
Throughout the event, attendees had the opportunity to visit Dr. Du Jiangfeng’s spin magnetic resonance laboratory. The state-of-the-art facilities and significant research progress made by the lab left a lasting impression on the international guests. Many experts were particularly interested in the technical details of the equipment and expressed enthusiasm for future collaborations.
The nitrogen-vacancy (NV) center in diamond is a unique paramagnetic luminescent defect that exhibits an ultra-long coherence time at room temperature—on the order of milliseconds. It can be manipulated through photodetection and magnetic resonance, making it an ideal platform for quantum single-spin systems. The emerging technologies based on NV centers hold great potential for applications in high-precision detection of magnetic fields, electric fields, and temperature at the nanoscale.
This conference marked the annual meeting of the International Symposium on Diamond Color Center Quantum Information and was the first large-scale academic event of its kind in China. Supported by the Ministry of Science and Technology, the Chinese Academy of Sciences, and the National Natural Science Foundation of China, the seminar aimed to promote research and technological innovation in diamond-based quantum systems and precision measurement. It served as an important platform for international academic exchange and laid the foundation for long-term scientific cooperation between China and the global research community.
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