Abstract : We demonstrate monolithic aluminum gallium arsenide (AlGaAs) optical nanoantennas. Using a selective oxidation technique, we fabricated epitaxial semiconductor nanocylinders on an aluminum oxide substrate. Second harmonic generation from AlGaAs nanocylinders of 400 nm height and varying radius pumped with femtosecond pulses delivered at 1554-nm wavelength has been measured, revealing a peak conversion efficiency exceeding 10−5 for nanocylinders with an optimized geometry.
https://hal-univ-paris.archives-ouvertes.fr/hal-03271123 Contributor : Equipe Hal Université Paris CitéConnect in order to contact the contributor Submitted on : Friday, June 25, 2021 - 1:50:51 PM Last modification on : Tuesday, July 13, 2021 - 3:16:10 AM Long-term archiving on: : Sunday, September 26, 2021 - 10:37:24 PM
oe-29-7-11132.pdfFigure, Image
- Comment : Erratum (2021) : Figure 1(b) in [V. F. Gili et al, Opt. Express 24, 15965 (2016) is corrupted and is corrected in this erratum. https://doi.org/10.1364/OE.425110
Valerio Flavio Gili, Luca Carletti, A. Locatelli, Davide Rocco, M. Finazzi, et al.. Monolithic AlGaAs second-harmonic nanoantennas. Optics Express, Optical Society of America - OSA Publishing, 2016, 24 (14), pp.15965-15971. ⟨10.1364/OE.24.015965⟩. ⟨hal-03271123⟩