Optical and Quantum Electronics

, Volume 19, Issue 5, pp 273–287

Spectral properties of asymmetrical optical directional couplers with periodic structures

  • R. März
  • H. P. Nolting
Article

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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Copyright information

© Chapman and Hall Ltd 1987

Authors and Affiliations

  • R. März
    • 1
  • H. P. Nolting
    • 2
  1. 1.Research Laboratories of Siemens AGMuenchen 83Germany
  2. 2.Heinrich-Hertz Institut Berlin GmbHBerlin 10Germany

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