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Article: Experimental demonstration of in-plane negative-angle refraction with an array of silicon nanoposts

TitleExperimental demonstration of in-plane negative-angle refraction with an array of silicon nanoposts
Authors
Keywordsresonant particle
on-chip beam steering
Negative-angle refraction
nanophotonics
circularly polarized dipoles
silicon nanoposts
Issue Date2015
Citation
Nano Letters, 2015, v. 15, n. 3, p. 2055-2060 How to Cite?
Abstract© 2015 American Chemical Society. Controlling an optical beam is fundamental in optics. Recently, unique manipulation of optical wavefronts has been successfully demonstrated by metasurfaces. However, these artificially engineered nanostructures have thus far been limited to operate on light beams propagating out-of-plane. The in-plane operation is critical for on-chip photonic applications. Here, we demonstrate an anomalous negative-angle refraction of a light beam propagating along the plane, by designing a thin dielectric array of silicon nanoposts. The circularly polarized dipoles induced by the high-permittivity nanoposts at the scattering resonance significantly shape the wavefront of the light beam and bend it anomalously. The unique capability of a thin line of the nanoposts for manipulating in-plane wavefronts makes the device extremely compact. The low loss all-dielectric structure is compatible with complementary metal-oxide semiconductor technologies, offering an effective solution for in-plane beam steering and routing for on-chip photonics.
Persistent Identifierhttp://hdl.handle.net/10722/257284
ISSN
2015 Impact Factor: 13.779
2015 SCImago Journal Rankings: 9.006

 

DC FieldValueLanguage
dc.contributor.authorWu, Aimin-
dc.contributor.authorLi, Hao-
dc.contributor.authorDu, Junjie-
dc.contributor.authorNi, Xingjie-
dc.contributor.authorYe, Ziliang-
dc.contributor.authorWang, Yuan-
dc.contributor.authorSheng, Zhen-
dc.contributor.authorZou, Shichang-
dc.contributor.authorGan, Fuwan-
dc.contributor.authorZhang, Xiang-
dc.contributor.authorWang, Xi-
dc.date.accessioned2018-07-24T08:59:21Z-
dc.date.available2018-07-24T08:59:21Z-
dc.date.issued2015-
dc.identifier.citationNano Letters, 2015, v. 15, n. 3, p. 2055-2060-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10722/257284-
dc.description.abstract© 2015 American Chemical Society. Controlling an optical beam is fundamental in optics. Recently, unique manipulation of optical wavefronts has been successfully demonstrated by metasurfaces. However, these artificially engineered nanostructures have thus far been limited to operate on light beams propagating out-of-plane. The in-plane operation is critical for on-chip photonic applications. Here, we demonstrate an anomalous negative-angle refraction of a light beam propagating along the plane, by designing a thin dielectric array of silicon nanoposts. The circularly polarized dipoles induced by the high-permittivity nanoposts at the scattering resonance significantly shape the wavefront of the light beam and bend it anomalously. The unique capability of a thin line of the nanoposts for manipulating in-plane wavefronts makes the device extremely compact. The low loss all-dielectric structure is compatible with complementary metal-oxide semiconductor technologies, offering an effective solution for in-plane beam steering and routing for on-chip photonics.-
dc.languageeng-
dc.relation.ispartofNano Letters-
dc.subjectresonant particle-
dc.subjecton-chip beam steering-
dc.subjectNegative-angle refraction-
dc.subjectnanophotonics-
dc.subjectcircularly polarized dipoles-
dc.subjectsilicon nanoposts-
dc.titleExperimental demonstration of in-plane negative-angle refraction with an array of silicon nanoposts-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1021/nl5049516-
dc.identifier.scopuseid_2-s2.0-84924546300-
dc.identifier.volume15-
dc.identifier.issue3-
dc.identifier.spage2055-
dc.identifier.epage2060-
dc.identifier.eissn1530-6992-

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