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A team led by Ya Wang and Mengqi Wang from the Spin Magnetic Resonance Laboratory at the University of Science and Technology of China (USTC) has achieved a breakthrough in the interdisciplinary field of high-pressure physics and quantum sensing. The team investigated the failure of diamond nitrogen-vacancy (NV) color center quantum probes under extreme pressure, experimentally revealing for the first time the strain-mediated regulation mechanism of spin-optical dynamics and achieving spin polarization reversal at the nanoscale. Published in Physical Review Letters on April 6, this achievement breaks through the technical bottlenecks of traditional optical control schemes, providing a new method for quantum manipulation at the nanoscale and laying the foundation for high-performance quantum detection under extreme pressure.
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