Giant Chiral Optical Response from a Twisted-Arc Metamaterial
We demonstrate enormously strong chiral effects from a photonic metamaterial consisting of an array of dual-layer twisted-arcs with a total thickness of ∼λ/6. Experimental results reveal a circular dichroism of ∼0.35 in the absolute value and a maximum polarization rotation of ∼305°/λ in a near-infr...
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| Veröffentlicht in: | Nano letters 2014-02, Vol.14 (2), p.1021-1025 |
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| container_title | Nano letters |
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| creator | Cui, Yonghao Kang, Lei Lan, Shoufeng Rodrigues, Sean Cai, Wenshan |
| description | We demonstrate enormously strong chiral effects from a photonic metamaterial consisting of an array of dual-layer twisted-arcs with a total thickness of ∼λ/6. Experimental results reveal a circular dichroism of ∼0.35 in the absolute value and a maximum polarization rotation of ∼305°/λ in a near-infrared wavelength region. A transmission of greater than 50% is achieved at the frequency where the polarization rotation peaks. Retrieved parameters from measured quantities further indicate an actual optical activity of 76° per λ and a difference of 0.42 in the indices of refraction for the two circularly polarized waves of opposite handedness. |
| doi_str_mv | 10.1021/nl404572u |
| format | Article |
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Experimental results reveal a circular dichroism of ∼0.35 in the absolute value and a maximum polarization rotation of ∼305°/λ in a near-infrared wavelength region. A transmission of greater than 50% is achieved at the frequency where the polarization rotation peaks. Retrieved parameters from measured quantities further indicate an actual optical activity of 76° per λ and a difference of 0.42 in the indices of refraction for the two circularly polarized waves of opposite handedness.</description><subject>Arrays</subject><subject>Circularity</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Dichroism</subject><subject>Exact sciences and technology</subject><subject>Metamaterials</subject><subject>Optical activity</subject><subject>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</subject><subject>Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures</subject><subject>Physics</subject><subject>Polarization</subject><subject>Refraction</subject><subject>Wavelengths</subject><issn>1530-6984</issn><issn>1530-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqF0EtLAzEQwPEgiq2Pg19A9iLoYTWTx-7m4KEUrUKlIPW8pNkJpuzLZBfx27vS2l4EL5kcfszAn5ALoLdAGdzVpaBCpqw_IGOQnMaJUuxw98_EiJyEsKaUKi7pMRkxIRhLuBqT-5nTdRdN353XZbRoO2eG-YqhbeqAkfVNFelo-elCh0U88SZ6wU5XukPvdHlGjqwuA55v5yl5e3xYTp_i-WL2PJ3MYy2E6IZXIVhuZZGmLDNILVcGMlsIq1jBGbKMS4SkSFcsAWU5JjqRgAIYTaXU_JRcb_a2vvnoMXR55YLBstQ1Nn3IIZVcMhCS_k-FUiAhAz7Qmw01vgnBo81b7yrtv3Kg-U_YfBd2sJfbtf2qwmInf0sO4GoLdBgSWq9r48LeZZxySpO90ybk66b39RDuj4PfnsuJeg</recordid><startdate>20140212</startdate><enddate>20140212</enddate><creator>Cui, Yonghao</creator><creator>Kang, Lei</creator><creator>Lan, Shoufeng</creator><creator>Rodrigues, Sean</creator><creator>Cai, Wenshan</creator><general>American Chemical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140212</creationdate><title>Giant Chiral Optical Response from a Twisted-Arc Metamaterial</title><author>Cui, Yonghao ; Kang, Lei ; Lan, Shoufeng ; Rodrigues, Sean ; Cai, Wenshan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a444t-a49e1f3f5d7728ce0f39c18fd4f92d32e2835e16d7b2619f3e6a651e4120755a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Arrays</topic><topic>Circularity</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Dichroism</topic><topic>Exact sciences and technology</topic><topic>Metamaterials</topic><topic>Optical activity</topic><topic>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</topic><topic>Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures</topic><topic>Physics</topic><topic>Polarization</topic><topic>Refraction</topic><topic>Wavelengths</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cui, Yonghao</creatorcontrib><creatorcontrib>Kang, Lei</creatorcontrib><creatorcontrib>Lan, Shoufeng</creatorcontrib><creatorcontrib>Rodrigues, Sean</creatorcontrib><creatorcontrib>Cai, Wenshan</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cui, Yonghao</au><au>Kang, Lei</au><au>Lan, Shoufeng</au><au>Rodrigues, Sean</au><au>Cai, Wenshan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Giant Chiral Optical Response from a Twisted-Arc Metamaterial</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2014-02-12</date><risdate>2014</risdate><volume>14</volume><issue>2</issue><spage>1021</spage><epage>1025</epage><pages>1021-1025</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>We demonstrate enormously strong chiral effects from a photonic metamaterial consisting of an array of dual-layer twisted-arcs with a total thickness of ∼λ/6. Experimental results reveal a circular dichroism of ∼0.35 in the absolute value and a maximum polarization rotation of ∼305°/λ in a near-infrared wavelength region. A transmission of greater than 50% is achieved at the frequency where the polarization rotation peaks. Retrieved parameters from measured quantities further indicate an actual optical activity of 76° per λ and a difference of 0.42 in the indices of refraction for the two circularly polarized waves of opposite handedness.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>24422639</pmid><doi>10.1021/nl404572u</doi><tpages>5</tpages></addata></record> |
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| subjects | Arrays Circularity Condensed matter: electronic structure, electrical, magnetic, and optical properties Dichroism Exact sciences and technology Metamaterials Optical activity Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures Physics Polarization Refraction Wavelengths |
| title | Giant Chiral Optical Response from a Twisted-Arc Metamaterial |
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