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Article: Veselago lensing with Weyl metamaterials
Title | Veselago lensing with Weyl metamaterials |
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Authors | |
Issue Date | 2021 |
Publisher | Optical Society of America: Open Access Journals. The Journal's web site is located at https://www.osapublishing.org/optica/home.cfm |
Citation | Optica, 2021, v. 8 n. 2, p. 249 How to Cite? |
Abstract | Negative refraction is an exotic optical phenomenon that is usually observed at the interface between a positive-index material and a negative-index, or “left-handed” material. One direct application of negative refraction is the Veselago lens, a flat lens that can focus the light emitted by a point source located on one side of the negative index medium onto the opposite side. Besides negative-index materials, Veselago lensing effect has been observed with two-dimensional crystals possessing Dirac points, such as graphene for electrons. Here we observe all-angle negative refraction and Veselago imaging in three dimensions with a Type I Weyl metamaterial. Furthermore, our ideal Weyl metamaterial exhibits remarkable spin-selective transmission around the Weyl frequency that arises from its intrinsic chiral optical response. Our results show that the ideal Weyl metacrystal provides a versatile platform for lensing applications and novel photon-spin selective devices. |
Persistent Identifier | http://hdl.handle.net/10722/298710 |
ISSN | 2023 Impact Factor: 8.4 2023 SCImago Journal Rankings: 3.549 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Yang, Y | - |
dc.contributor.author | Bi, Y | - |
dc.contributor.author | Peng, L | - |
dc.contributor.author | Yang, B | - |
dc.contributor.author | Ma, S | - |
dc.contributor.author | Chan, HC | - |
dc.contributor.author | Xiang, Y | - |
dc.contributor.author | Zhang, S | - |
dc.date.accessioned | 2021-04-12T03:02:19Z | - |
dc.date.available | 2021-04-12T03:02:19Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Optica, 2021, v. 8 n. 2, p. 249 | - |
dc.identifier.issn | 2334-2536 | - |
dc.identifier.uri | http://hdl.handle.net/10722/298710 | - |
dc.description.abstract | Negative refraction is an exotic optical phenomenon that is usually observed at the interface between a positive-index material and a negative-index, or “left-handed” material. One direct application of negative refraction is the Veselago lens, a flat lens that can focus the light emitted by a point source located on one side of the negative index medium onto the opposite side. Besides negative-index materials, Veselago lensing effect has been observed with two-dimensional crystals possessing Dirac points, such as graphene for electrons. Here we observe all-angle negative refraction and Veselago imaging in three dimensions with a Type I Weyl metamaterial. Furthermore, our ideal Weyl metamaterial exhibits remarkable spin-selective transmission around the Weyl frequency that arises from its intrinsic chiral optical response. Our results show that the ideal Weyl metacrystal provides a versatile platform for lensing applications and novel photon-spin selective devices. | - |
dc.language | eng | - |
dc.publisher | Optical Society of America: Open Access Journals. The Journal's web site is located at https://www.osapublishing.org/optica/home.cfm | - |
dc.relation.ispartof | Optica | - |
dc.rights | Optica. Copyright © Optical Society of America: Open Access Journals. | - |
dc.rights | © XXXX [year] Optical Society of America]. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved. | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Veselago lensing with Weyl metamaterials | - |
dc.type | Article | - |
dc.identifier.email | Zhang, S: shuzhang@hku.hk | - |
dc.identifier.authority | Zhang, S=rp02759 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1364/OPTICA.406167 | - |
dc.identifier.scopus | eid_2-s2.0-85101602496 | - |
dc.identifier.hkuros | 322093 | - |
dc.identifier.volume | 8 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | 249 | - |
dc.identifier.epage | 249 | - |
dc.identifier.isi | WOS:000621094900018 | - |
dc.publisher.place | United States | - |