Optically pumped generation of multi-pulse three-wave coupled states in a two-mode waveguide with a square-law nonlinearity and digital modulation of light

A.S. Shcherbakov, A. Aguirre Lopez

Abstract


We study the process of sculpturing three-wave weakly coupled states under the action of the pulsed optical pump in a two-mode square-law nonlinear waveguide within the collinear regime of propagating the interacting waves. The analytical model for this process with slightly mismatched wave numbers predicts the sculpturing of multi-pulse optical components inherent in three-wave coupled states. Reasoning from the developed approach, we discuss an opportunity for the digital modulation of light, because those potentially three-wave coupled states under consideration can be binary encoded. The performed analysis of sculpturing multi-pulse coupled states in a non-stationary regime was experimentally examined during our studies of collinear acousto-optical interaction in a two-mode lithium niobate waveguiding structure exhibiting a square-law nonlinearity.

Keywords


Three-wave collinear interaction; optical pump; multi-pulse three-wave coupled states; square-law nonlinearity

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Revista Mexicana de Física

ISSN: 2683-2224 (on line), 0035-001X (print)

Bimonthly publication of Sociedad Mexicana de Física, A.C.
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