Article

Determination of single mode condition in dielectric rib waveguide with large cross section by finite element analysis

Journal of Computational Electronics (Impact Factor: 1.01). 01/2007; 6(1):285-287. DOI:10.1007/s10825-006-0124-4

ABSTRACT The single mode condition in large cross section rib waveguides is of great interest because almost every kind of active and
passive integrated optoelectronic device or sensor is designed to sustain only the fundamental mode of propagation for better
matching with optical fibers. In this paper we present a criterion to determine the single mode condition for a large cross
section rib waveguides, by comparison between the numerical solutions found with Neumann boundary conditions and Dirichlet
boundaries conditions applied when solving the eigenvalues problem.

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Mar 4, 2014