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Updated: Jan 11, 2026

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在临界合的极极子超表面中,自由空间少光子非线性

Jie Fang1, Abhinav Kala2, Rose Johnson2

  • 1Department of Electrical and Computer Engineering, University of Washington, Seattle, WA, USA. jiefang@uw.edu.

Nature communications
|November 18, 2025
PubMed
概括

研究人员使用关键合在矿元表面中实现了强大的光学非线性. 这一突破使得在低功率密度下能够有效地吸收少光子,这对于未来的光学信息处理设备至关重要.

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Potential Due to a Polarized Object01:29

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A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
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