File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Three Dimensional Photonic Dirac Points in Metamaterials

TitleThree Dimensional Photonic Dirac Points in Metamaterials
Authors
Issue Date2017
Citation
Physical Review Letters, 2017, v. 119, n. 21, article no. 213901 How to Cite?
Abstract© 2017 American Physical Society. Topological semimetals, representing a new topological phase that lacks a full band gap in bulk states and exhibiting nontrivial topological orders, recently have been extended to photonic systems, predominantly in photonic crystals and to a lesser extent metamaterials. Photonic crystal realizations of Dirac degeneracies are protected by various space symmetries, where Bloch modes span the spin and orbital subspaces. Here, we theoretically show that Dirac points can also be realized in effective media through the intrinsic degrees of freedom in electromagnetism under electromagnetic duality. A pair of spin-polarized Fermi-arc-like surface states is observed at the interface between air and the Dirac metamaterials. Furthermore, eigenreflection fields show the decoupling process from a Dirac point to two Weyl points. We also find the topological correlation between a Dirac point and vortex or vector beams in classical photonics. The experimental feasibility of our scheme is demonstrated by designing a realistic metamaterial structure. The theoretical proposal of the photonic Dirac point lays the foundation for unveiling the connection between intrinsic physics and global topology in electromagnetism.
Persistent Identifierhttp://hdl.handle.net/10722/295078
ISSN
2023 Impact Factor: 8.1
2023 SCImago Journal Rankings: 3.040
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGuo, Qinghua-
dc.contributor.authorYang, Biao-
dc.contributor.authorXia, Lingbo-
dc.contributor.authorGao, Wenlong-
dc.contributor.authorLiu, Hongchao-
dc.contributor.authorChen, Jing-
dc.contributor.authorXiang, Yuanjiang-
dc.contributor.authorZhang, Shuang-
dc.date.accessioned2021-01-05T04:59:01Z-
dc.date.available2021-01-05T04:59:01Z-
dc.date.issued2017-
dc.identifier.citationPhysical Review Letters, 2017, v. 119, n. 21, article no. 213901-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/295078-
dc.description.abstract© 2017 American Physical Society. Topological semimetals, representing a new topological phase that lacks a full band gap in bulk states and exhibiting nontrivial topological orders, recently have been extended to photonic systems, predominantly in photonic crystals and to a lesser extent metamaterials. Photonic crystal realizations of Dirac degeneracies are protected by various space symmetries, where Bloch modes span the spin and orbital subspaces. Here, we theoretically show that Dirac points can also be realized in effective media through the intrinsic degrees of freedom in electromagnetism under electromagnetic duality. A pair of spin-polarized Fermi-arc-like surface states is observed at the interface between air and the Dirac metamaterials. Furthermore, eigenreflection fields show the decoupling process from a Dirac point to two Weyl points. We also find the topological correlation between a Dirac point and vortex or vector beams in classical photonics. The experimental feasibility of our scheme is demonstrated by designing a realistic metamaterial structure. The theoretical proposal of the photonic Dirac point lays the foundation for unveiling the connection between intrinsic physics and global topology in electromagnetism.-
dc.languageeng-
dc.relation.ispartofPhysical Review Letters-
dc.titleThree Dimensional Photonic Dirac Points in Metamaterials-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.119.213901-
dc.identifier.pmid29219411-
dc.identifier.scopuseid_2-s2.0-85036472290-
dc.identifier.volume119-
dc.identifier.issue21-
dc.identifier.spagearticle no. 213901-
dc.identifier.epagearticle no. 213901-
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000415687200009-
dc.identifier.issnl0031-9007-

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats