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Coupling of guided light through a periodic multilayer.

Authors
Type
Published Article
Journal
Applied Optics
0003-6935
Publisher
The Optical Society
Publication Date
Volume
21
Issue
2
Pages
320–323
Identifiers
DOI: 10.1364/AO.21.000320
PMID: 20372448
Source
Medline

Abstract

The structure of a coupler using a periodic multilayer between two waveguides is studied from the aspect of fabrication technology. The coupling is expected to be by Bragg instead of conventional evanescent waves. Because of the successful use of the peculiar nature of the Bragg waves, there is a chance of relaxing the fabrication tolerance. As a result, it is possible to make the coupler with standard design considerations and techniques that are not available for the fabrication of conventional evanescent wave couplers.

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