Giant enhancement and control of second-harmonic radiation from algaas nanoantennas
- Rahmani, Mohsen
- Kruk, Sergey
- Camacho Morales, Maria (Rocio)
- Xu, Lei
- Wang, Lei
- Miroshnichenko, Andrey
- Smirnova, Daria
- Tan, Hark Hoe
- Karouta, Fouad
- Naureen, Shagufta
- Vora, Kaushal
- Solntsev, Alexander
- Carletti, Luca
- De Angelis, Costantino
- Jagadish, Chennupati
- Kivshar, Yuri
- Neshev, Dragomir
Publication date
January 2020
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
We fabricate AlGaAs nanoantennas on a glass substrate and demonstrate the highest nonlinear conversion efficiency of 10-4 with the capability for shaping the radiation patterns and polarization of the second harmonic emission in both forward and backward directions. We also decode dynamic multipolar contributions to the second harmonic generation within such nanoantennas.The authors acknowledge the support by the Australian Research Council and participation in the Erasmus Mundus NANOPHI project, contract number 2013 5659/002-001
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