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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.
Original language | English |
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Pages (from-to) | 2992–2999 |
Journal | Advanced Materials |
Volume | 28 |
Issue number | 15 |
DOIs | |
Publication status | Published - Apr 2016 |
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Dive into the research topics of 'Giant Nonlinear Optical activity of achiral origin in planar metasurfaces with quadratic and cubic nonlinearities'. Together they form a unique fingerprint.Projects
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