The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Dimensional hierarchy of higher-order topology in three-dimensional sonic crystals
Open accessAbstract
Wave trapping and manipulation are at the heart of modern integrated photonics and acoustics. Grand challenges emerge on increasing the integration density and reducing the wave leakage/noises due to fabrication imperfections, especially for waveguides and cavities at subwavelength scales. The rising of robust wave dynamics based on topological mechanisms offers possible solutions. Ideally, in a three-dimensional (3D) topological integrated chip, there are coexisting robust two-dimensional (2D) interfaces, one-dimensional (1D) waveguides and zero-dimensional (0D) cavities. Here, we report the experimental discovery of such a dimensional hierarchy of the topologically-protected 2D surface states, 1D hinge states and 0D corner states in a single 3D system. Such an unprecedented phenomenon is triggered by the higher-order topology in simple-cubic sonic crystals and protected by the space group $${P}_{m\bar{3}m}$$Pm3 ¯m. Our study opens up a new regime for multidimensional wave trapping and manipulation at subwavelength scales, which may inspire future technology for integrated acoustics and photonics.
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Cites
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Cited by
Xie, B., Wang, H.-X., Zhang, X., Zhan, P., Jiang, J.-H., Lu, M., & Chen, Y. (2021) · Nature Reviews Physics · doi:10.1038/s42254-021-00323-4 · Cited by 543
Self-citationObservation of higher-order non-Hermitian skin effect
Zhang, X., Tian, Y., Jiang, J.-H., Lu, M.-H., & Chen, Y.-F. (2021) · Nature Communications · doi:10.1038/s41467-021-25716-y · Cited by 334
Self-citationAcoustic Metamaterials: A Review of Theories, Structures, Fabrication Approaches, and Applications
Liao, G., Luan, C., Wang, Z., Liu, J., Yao, X., & Fu, J. (2021) · Advanced Materials Technologies · doi:10.1002/admt.202000787 · Cited by 267
Metadata
- Authors
- Zhang, X., Xie, B.-Y., Wang, H.-F., Xu, X., Tian, Y., Jiang, J.-H., Lu, M.-H., & Chen, Y.-F.
- Venue
- Nature Communications
- Published
- 2019-11-25
- Volume
- 10
- Issue
- 1
- Pages
- 5331-5331
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2989598084
- Cited by
- 167
- References
- 11
- FWCI
- 8.00
- Type
- journal article
- Language
- en
- Open access
- gold
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- Zhang, X., Xie, B.-Y., Wang, H.-F., Xu, X., Tian, Y., Jiang, J.-H., Lu, M.-H., & Chen, Y.-F. (2019). Dimensional hierarchy of higher-order topology in three-dimensional sonic crystals. Nature Communications. https://doi.org/10.1038/s41467-019-13333-9
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