Coupled-mode analysis of fiber-optic add drop filters for dense wavelength-division multiplexing.
- Published Article
- Publication Date
May 15, 1997
We present a coupled-mode theory of fiber-optic add-drop filters, which involve directional coupling between two fibers combined with fiber Bragg gratings defined inside the coupling region. The analysis self-consistently accounts for both the directional and the reflection coupling, and the propagation constants and structure of the supermodes of the combined structure are derived. We present a detailed analysis of a filter design based on identical fibers. The calculated device parameters satisfy the requirements for dense wavelength-division multiplexing applications.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/18185629