Application of Coupled-Mode Theory to Nearly Parallel Waveguide Systems

A. Hardy, M. Osiski, W. Streifer*, A. Hardy, W. Streifer*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The improved coupled-mode theory is extended and applied to multiwaveguide systems consisting of any number of nonparallel guides, such as Y-junction laser arrays and directional couplers. The impact of the improved analysis on the design of devices containing nonparallel sections is illustrated by an example of Ti-indiffused LiNbO3 directional couplers. It is shown that the overall performance of the device may be significantly affected by the nonparallel sections.

Original languageEnglish
Pages (from-to)1249-1250
Number of pages2
JournalElectronics Letters
Issue number23
StatePublished - 1986


  • Optical waveguides
  • Optics


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