Abstract
A geometrical method for determining the power transfer between piecewise uniform, alternating Δβ, twin-core linear directional couplers is presented. Phase space provides the basis for the method.
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Rowland, D.R. Phase-space analysis of alternating Δβ couplers. Opt Quant Electron 22, 369–373 (1990). https://doi.org/10.1007/BF02189219
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DOI: https://doi.org/10.1007/BF02189219