Journal
NATURE REVIEWS PHYSICS
Volume 4, Issue 2, Pages 113-124Publisher
NATURE PORTFOLIO
DOI: 10.1038/s42254-021-00391-6
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Funding
- University of Science and Technology of China
- CAS Pioneer Hundred Talents Program
- Advanced Research and Technology Innovation Centre (ARTIC) [R-261-518-004-720]
- Singapore MOR tier 2 Grant [R-143-000-A68-112]
- Singapore National Research Foundation-Agence Nationale de la Recherche (NRF-ANR) [NRF2017-NRF-ANR005 2DCHIRAL]
- United States-Israel Binational Science Foundation (BSF)
- European Research Council (ERC Dynamic Nano) grant
- JSPS [15H02161, 16H06505]
- National Natural Science Foundation of China [12020101003]
- Tsinghua University
- Grants-in-Aid for Scientific Research [15H02161, 16H06505] Funding Source: KAKEN
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Nanoscopic chiroptics studies spin-dependent asymmetric light-matter interactions at the nanoscale, with asymmetry stemming from intrinsic properties of materials, structures, or light. With the advent of low-dimensional materials platforms, nanoscopic chiroptics has expanded from far field to near field, and across spatial, momentum, and integrated spatial-momentum dimensions, revealing new physical mechanisms and applications related to chiral effects.
Nanoscopic chiroptics studies the spin-dependent asymmetric light-matter interactions at the nanoscale, where the asymmetry can stem from the intrinsic properties of materials, structures or light. This Perspective establishes an overarching framework for nanoscopic chiroptics across the spatial, moment and integrated spatial-momentum dimensions, and discusses applications enabled by this approach. Nanoscopic chiroptics studies the spin-dependent asymmetric light-matter interactions at the nanoscale, where the asymmetry can stem from the intrinsic properties of materials, structures, light or combinations thereof. With the emergence of low-dimensional materials platforms, such as metasurfaces, transition metal dichalcogenides and perovskites, nanoscopic chiroptics has been extended from the far field to the near field, and further developed from the spatial dimension, to the momentum dimension and the integrated spatial-momentum dimension. This expansion of nanoscopic chiroptics across dimensions has uncovered new physical mechanisms and manifestations of chiral effects. It also led to applications such as valleytronics, chiral sensing and chiral photochemistry. This Perspective focuses on the progress in nanoscopic chiroptics through the lens of the associated dimensionalities, discussing the opportunities in integrated optics, photochemistry, quantum optics and biochemical synthesis and analysis.
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