期刊
NANOTECHNOLOGY
卷 30, 期 20, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/ab02b0
关键词
Mie scattering; anapole states; metamaterials; nonlinear optics; multipole expansion
资金
- European Research Council (PLAQNAP project) [341054]
- University of Southern Denmark (SDU2020 funding)
- European Research Council (ERC) [341054] Funding Source: European Research Council (ERC)
Nonradiating sources are nontrivial charge-current distributions that do not generate fields outside the source domain. The pursuit of their possible existence has fascinated several generations of physicists and triggered developments in various branches of science ranging from medical imaging to dark matter. Recently, one of the most fundamental types of nonradiating sources, named anapole states, has been realized in nanophotonics regime and soon spurred considerable research efforts and widespread interest. A series of astounding advances have been achieved within a very short period of time, uncovering the great potential of anapole states in many aspects such as lasing, sensing, metamaterials, and nonlinear optics. In this review, we provide a detailed account of anapole states in nanophotonics research, encompassing their basic concepts, historical origins, and new physical effects. We discuss the recent research frontiers in understanding and employing optical anapoles and provide an outlook for this vibrant field of research.
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