Grating assisted waveguide-to-waveguide couplers

descriptionPublicationkeyboard_double_arrow_right Article 01 May 1998Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Photonics Technology Letters, volume 10, pages 693-695 (issn: 1041-1135, eissn: 1941-0174,

Authors: Tao Liang; Richard W. Ziolkowski;

doi: 10.1109/68.669328

Grating assisted waveguide-to-waveguide couplers

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Abstract

A new radiation-type waveguide-to-waveguide coupler is proposed. The coupling is realized through gratings embedded on the dielectric waveguides involved. Compared to the conventional hybrid-mode coupler, this type of coupler has advantages in that the two waveguides can be quite dissimilar as well as being separated by large distances. It is demonstrated that the coupling performance of this radiation-type coupler can be enhanced significantly by using photonic bandgap (PBG) structures.

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University of Arizona
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