期刊
PHYSICAL REVIEW APPLIED
卷 11, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevApplied.11.034043
关键词
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资金
- National Key Research and Development Program of China [2017YFA0205700]
- National Natural Science Foundation of China (NSFC) [91850108, 61675179]
- Fundamental Research Funds for the Central Universities [2018QNA3005]
- NSFC [11474089, 61425023, 11474010, 61590933]
Optics naturally provides us with some powerful mathematical operations. Here, we experimentally demonstrate that during reflection or refraction at a single optical planar interface, the optical computing of spatial differentiation can be realized by analyzing specific orthogonal polarization states of light. We show that the spatial differentiation is intrinsically due to the spin Hall effect of light and generally accompanies light reflection and refraction at any planar interface, regardless of material composition or incident angles. The proposed spin-optical method takes advantages of a simple and common structure to enable vectorialfield computation and perform edge detection for ultrafast image processing.
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