Grating assisted waveguide-to-waveguide couplers

Tao Liang; Richard W. Ziolkowski

doi:10.1109/68.669328

Grating assisted waveguide-to-waveguide couplers

Tao Liang, Richard W. Ziolkowski

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

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.

Original language	English (US)
Pages (from-to)	693-695
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	10
Issue number	5
DOIs	https://doi.org/10.1109/68.669328
State	Published - May 1998

Keywords

Computational electromagnetics
FDTD
Grating assisted couplet
Integrated optics
Photonic bandgap structure

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/68.669328

Cite this

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AB - 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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KW - Grating assisted couplet

KW - Integrated optics

KW - Photonic bandgap structure

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Grating assisted waveguide-to-waveguide couplers

Abstract

Keywords

ASJC Scopus subject areas

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