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Anomalous dispersion in optical rib structures
Author(s) -
Valentinuzzi Elvio
Publication year - 1997
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/(sici)1098-2760(199705)15:1<1::aid-mop1>3.0.co;2-l
Subject(s) - microwave , eigenvalues and eigenvectors , perturbation (astronomy) , dispersion (optics) , waveguide , optics , dispersion relation , physics , finite element method , group velocity , quantum mechanics , thermodynamics
The rib waveguide is a guiding structure that has a great versatility in the design of optical components. The group velocity dispersion (GVD) is of great concern in such designs. A FEM formulation of the problem and a second‐order perturbation of the obtained matrix eigenvalue equation allow us to evaluate the waveguide component of GVD in a practical structure. Proper variation of the parameters of the guide allows us to control the dispersion particularly its sign. © 1997 John Wiley & Sons, Inc. Microwave Opt Technol Lett 15: 1–4, 1997.