Affiliation:
1. University of Campinas
Abstract
We numerically demonstrate that lithium niobate on insulator (LNOI) waveguides may support confined short-wavelength surface acoustic waves that interact strongly with optical fields through backward-stimulated Brillouin scattering in both Z- and X-cut orientation. We conduct fully anisotropic simulations that consider not only moving boundary and photoelastic forces, but also roto-optic forces for the Brillouin interaction. Our results indicate that photoelasticity dominates the Brillouin gain and can reach as high as G
B
/Q
m
=0.43W−1m−1 in standard ridge waveguides.
Funder
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Fundação de Amparo à Pesquisa do Estado de São Paulo
Subject
Atomic and Molecular Physics, and Optics,Statistical and Nonlinear Physics
Cited by
3 articles.
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