EPJ Web Conf.
Volume 238, 2020EOS Annual Meeting (EOSAM 2020)
|Number of page(s)||2|
|Section||Topical Meeting (TOM) 5- Resonant Nanophotonics: Fundamentals and Applications|
|Published online||20 August 2020|
Second harmonic generation enhancement by polarization-matched nanostructures -INVITED
1 Institute for Applied Physics, Eberhard Karls University of Tübingen, Germany
2 Center for Light-Matter Interaction, Sensors and Analytics LISA +, Eberhard Karls University of Tübingen, Germany
3 Laboratory of Photonics, Tampere University of Technology, Finland
4 Institute for Physical and Theoretical Chemistry, Eberhard Karls University of Tübingen, Germany
* Corresponding author: firstname.lastname@example.org
Published online: 20 August 2020
Frequency conversion plays an important role in both fundamental and applied nano-optics. Doubling the frequency of light by second harmonic generation (SHG) is a vital process e.g. in laser optics or high-resolution microscopy. SHG can be created through symmetry breaking at plasmonic nanostructures, or the local high electric near-fields of plasmonic nanoantennas can be utilized to further enhance the SHG e.g. from nonlinear crystals. Examples of SHG microscopy using cylindrical vector beams in combination with tilted nanocones and radially symmetric oligomers are shown as well as enhancement studies of the SHG from nonlinear crystals decorated with polarization-matched nanostructures.
© The Authors, published by EDP Sciences, 2020
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