Coupled Mode Formulation for Directional Couplers with Longitudinal Perturbation

Giora Griffel, Amos A. Hardy

Research output: Contribution to journalArticlepeer-review

Abstract

A grating-assisted directional coupler is investi- gated using an improved coupled-mode formulation for multi-waveguide systems with longitudinal perturbation. This approach is capable of handling three-dimensional structures as well as complex index of refraction and nonisotropic medias. The case of two coupled channel waveguides is closely exam-ined, and numerical analysis is carried out for several cases of slab structures.

Original languageEnglish
Pages (from-to)985-994
Number of pages10
JournalIEEE Journal of Quantum Electronics
Volume27
Issue number4
DOIs
StatePublished - Apr 1991

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