Resumen
We demonstrate polarization-controlled switching of the orbital angular momentum (OAM) transfer in nonlinear wave mixing. By adjusting the input beam geometry, we are able to produce a three-channel orbital OAM, with arbitrary topological charges simultaneously generated and spatially resolved in the second-harmonic wavelength. The use of path and polarization degrees of freedom allows nearly perfect optical switching between different OAM operations. These results are supported by a theoretical model showing very good agreement with the experiments.
| Idioma original | Español |
|---|---|
| Páginas (desde-hasta) | 1439-1442 |
| Número de páginas | 4 |
| Publicación | Optics Letters |
| Volumen | 43 |
| Estado | Publicada - 1 abr. 2018 |
| Publicado de forma externa | Sí |
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