eprintid: 1479901 rev_number: 37 eprint_status: archive userid: 608 dir: disk0/01/47/99/01 datestamp: 2016-06-09 15:10:23 lastmod: 2021-09-26 22:58:41 status_changed: 2017-02-27 16:53:41 type: article metadata_visibility: show creators_name: Chen, S creators_name: Zeuner, F creators_name: Weismann, M creators_name: Reineke, B creators_name: Li, G creators_name: Valev, VK creators_name: Cheah, KW creators_name: Panoiu, NC creators_name: Zentgraf, T creators_name: Zhang, S title: Giant Nonlinear Optical Activity of Achiral Origin in Planar Metasurfaces with Quadratic and Cubic Nonlinearities ispublished: pub divisions: UCL divisions: B04 divisions: C05 divisions: F46 note: Copyright © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is the peer reviewed version of the following article: [Chen, S; Zeuner, F; Weismann, M; Reineke, B; Li, G; Valev, VK; Cheah, KW; (2016) Giant Nonlinear Optical Activity of Achiral Origin in Planar Metasurfaces with Quadratic and Cubic Nonlinearities. Advanced Materials , 28 (15) pp. 2992-2999. 10.1002/adma.201505640], which has been published in final form at http://dx.doi.org/10.1002/adma.201505640. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. abstract: 3D chirality is shown to be unnecessary for introducing strong circular dichroism for harmonic generations. Specifically, near-unity circular dichroism for both second-harmonic generation and third-harmonic generations is demonstrated on suitably designed ultrathin plasmonic metasurfaces with only 2D planar chirality. The study opens up new routes for designing chip-type biosensing platform, which may allow for highly sensitive detection of bio- and chemical molecules with weak chirality. date: 2016-04-20 date_type: published official_url: http://dx.doi.org/10.1002/adma.201505640 oa_status: green full_text_type: other language: eng primo: open primo_central: open_green verified: verified_manual elements_id: 1119163 doi: 10.1002/adma.201505640 lyricists_name: Panoiu, Nicolae-Coriolan lyricists_id: NPANO59 actors_name: Panoiu, Nicolae-Coriolan actors_id: NPANO59 actors_role: owner full_text_status: public publication: Advanced Materials volume: 28 number: 15 pagerange: 2992-2999 issn: 1521-4095 citation: Chen, S; Zeuner, F; Weismann, M; Reineke, B; Li, G; Valev, VK; Cheah, KW; ... Zhang, S; + view all <#> Chen, S; Zeuner, F; Weismann, M; Reineke, B; Li, G; Valev, VK; Cheah, KW; Panoiu, NC; Zentgraf, T; Zhang, S; - view fewer <#> (2016) Giant Nonlinear Optical Activity of Achiral Origin in Planar Metasurfaces with Quadratic and Cubic Nonlinearities. Advanced Materials , 28 (15) pp. 2992-2999. 10.1002/adma.201505640 <https://doi.org/10.1002/adma.201505640>. Green open access document_url: https://discovery.ucl.ac.uk/id/eprint/1479901/1/Chen%202016%20Giant%20nonlinear%20optical%20activity.pdf