- Feature Paper
- Article
Highly-Efficient Longitudinal Second-Harmonic Generation from Doubly-Resonant AlGaAs Nanoantennas
- Lei Xu,
- Mohsen Rahmani,
- Daria Smirnova,
- Khosro Zangeneh Kamali,
- Guoquan Zhang,
- Dragomir Neshev and
- Andrey E. Miroshnichenko
We design an asymmetric nonlinear optical nanoantenna composed of a dielectric nanodisc and an adjacent nanobar. The proposed composite structure made of AlGaAs exhibits resonant response at both the fundamental and doubled frequencies. Being driven...

