Analysis of power transfer in nonsymmetric directional couplers

Yaacov Shama, Emanuel Marom, Amos Hardy

Research output: Contribution to journalArticlepeer-review


An analysis of asymmetric directional couplers consisting of two parallel slab waveguides has been performed using the improved coupled-mode theory for multimode waveguides. The use of such couplers for multibranch power dividers has been illustrated, and the expected performances have been discussed, both for a two-branch divider and a three-branch one. One notes in particular the high SNR and efficiency at the end of the coupling region.

Original languageEnglish
Pages (from-to)990-994
Number of pages5
JournalApplied Optics
Issue number5
StatePublished - Mar 1989


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