Anisotropy versus circular dichroism in second harmonic generation from fourfold symmetric arrays of G-shaped nanostructures

E. A. Mamonov; I. A. Kolmychek; S. Vandendriessche; M. Hojeij; Y. Ekinci; V. K. Valev; T. Verbiest; T. V. Murzina

doi:10.1103/PhysRevB.89.121113

Anisotropy versus circular dichroism in second harmonic generation from fourfold symmetric arrays of G-shaped nanostructures

E. A. Mamonov, I. A. Kolmychek, S. Vandendriessche, M. Hojeij, Y. Ekinci, V. K. Valev, T. Verbiest, T. V. Murzina

Department of Physics

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Abstract

Circular dichroism in optical second harmonic generation (CD-SHG) is studied in planar symmetrical arrays of G-shaped and mirror-G-shaped nanostructures. Anisotropic CD-SHG measurements demonstrate a strong dependence of the value and the sign of the CD effect on the angle of incidence of the fundamental radiation. We show that both dipole and higher order multipole components of the second order susceptibility are responsible for the CD response from G-shaped nanostructures.

Original language	English
Article number	121113
Journal	Physical Review B : Condensed Matter and Materials Physics
Volume	89
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.89.121113
Publication status	Published - 26 Mar 2014

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Mamonov, E. A., Kolmychek, I. A., Vandendriessche, S., Hojeij, M., Ekinci, Y., Valev, V. K., Verbiest, T., & Murzina, T. V. (2014). Anisotropy versus circular dichroism in second harmonic generation from fourfold symmetric arrays of G-shaped nanostructures. Physical Review B : Condensed Matter and Materials Physics, 89(12), Article 121113. https://doi.org/10.1103/PhysRevB.89.121113

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AU - Mamonov, E. A.

AU - Kolmychek, I. A.

AU - Vandendriessche, S.

AU - Hojeij, M.

AU - Ekinci, Y.

AU - Valev, V. K.

AU - Verbiest, T.

AU - Murzina, T. V.

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AB - Circular dichroism in optical second harmonic generation (CD-SHG) is studied in planar symmetrical arrays of G-shaped and mirror-G-shaped nanostructures. Anisotropic CD-SHG measurements demonstrate a strong dependence of the value and the sign of the CD effect on the angle of incidence of the fundamental radiation. We show that both dipole and higher order multipole components of the second order susceptibility are responsible for the CD response from G-shaped nanostructures.

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ER -

Anisotropy versus circular dichroism in second harmonic generation from fourfold symmetric arrays of G-shaped nanostructures

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