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Spectral properties of asymmetrical optical directional couplers with periodic structures

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Abstract

A comparison is made of co- and contradirectional couplers with periodic structures, with a view to their suitability as WDM devices for integrated optical systems. Expressions are obtained for the spectral response within the framework of a coupled-mode theory. It is shown that the competition between direct Bragg, Bragg-exchange and codirectional coupling in the contradirectional coupler leads to shifting and constriction of the stop bands. Calculations are made for a codirectional coupler with a new type of meander structure and for the contradirectional coupler.

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Authors and Affiliations

  1. Research Laboratories of Siemens AG, D-8000, Muenchen 83, Germany

    R. März

  2. Heinrich-Hertz Institut Berlin GmbH, D-1000, Berlin 10, Germany

    H. P. Nolting

Authors
  1. R. März
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  2. H. P. Nolting
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März, R., Nolting, H.P. Spectral properties of asymmetrical optical directional couplers with periodic structures. Opt Quant Electron 19, 273–287 (1987). https://doi.org/10.1007/BF02032685

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  • DOI: https://doi.org/10.1007/BF02032685

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