Journal
OPTICS LETTERS
Volume 47, Issue 7, Pages 1826-1829Publisher
Optica Publishing Group
DOI: 10.1364/OL.450908
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- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior [001]
- Instituto Nacional de Fotonica (INCTs program)
- Sisfoton-MCTI (CAPES)
- Sisfoton-MCTI (CNPq)
- Sisfoton-MCTI (FACEPE)
- Sisfoton-MCTI (FAPEG)
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We have investigated the nonlinear optical properties of single beta-barium borate nanocrystals and demonstrated their ability to generate multiple harmonics. The particles' polarization response was compared with simulations based on bulk nonlinear tensors, showing good agreement. The nonlinear susceptibilities of different orders were also estimated.
We have studied the nonlinear optical properties of single beta-barium borate nanocrystals, with potential applications as probes in nonlinear sensing and imaging schemes. Our work demonstrates their ability to generate second, third, fourth, and fifth harmonics. The particles' polarization response is studied and compared with simulations based on the bulk nonlinear tensors, with good agreement. Furthermore, the nonlinear susceptibilities of different orders are estimated. (C) 2022 Optica Publishing Group
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