Publicación:
Non-collinear interaction of Laguerre-Gaussian modes in second harmonic generation
Non-collinear interaction of Laguerre-Gaussian modes in second harmonic generation
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Fecha
2018
Autores
Santiago Condori, Jordy Guilbert
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Pontificia Universidad Católica del Perú
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Abstracto
This thesis addresses non-collinear interactions of Laguerre-Gaussian modes. These interactions are used to achieve orbital angular momentum (OAM) transfer in nonlinear wave mixing. This is done by polarization controlled switching. By adjusting the geometry of the input beams, it becomes possible to produce a three-channel, OAM-output with arbitrary topological charges that are 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 diferent OAM operations. A theoretical model showing very good agreement with the experiments is proposed.
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Teoría cuántica,
Polarización,
Óptica