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High-efficiency second-harmonic generation in coupled nano Fabry–Perot thin resonators
In this paper we experimentally demonstrate second-harmonic generation (SHG) enhancement in thin 1D periodic plasmonic nanostructures on GaAs in the infrared spectral range. Due to the properly designed coupling of horizontal Fabry–Perot nanoresonators that occurs inside these structures, the obtain...
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Published in: | Optics letters 2022-09, Vol.47 (17), p.4415-4418 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In this paper we experimentally demonstrate second-harmonic generation (SHG) enhancement in thin 1D periodic plasmonic nanostructures on GaAs in the infrared spectral range. Due to the properly designed coupling of horizontal Fabry–Perot nanoresonators that occurs inside these structures, the obtained conversion efficiencies go up to the 10 −7 W −1 range. Moreover, we demonstrate that the engineering of the plasmonic nanoantenna dimensions on the same GaAs layer can lead to SHG enhancement for pump wavelengths ranging from 2.8 µm to 3.3 µm. |
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ISSN: | 0146-9592 1539-4794 |
DOI: | 10.1364/OL.465602 |