Control of slow-light effect in a metamaterial-loaded Si waveguide

A metamaterial is an artificial material designed to control the electric permittivity and magnetic permeability freely beyond naturally existing values. A promising application is a slow-light device realized using a combination of optical waveguides and metamaterials. This paper proposes a method...

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Bibliographic Details
Published inOptics express Vol. 28; no. 16; pp. 23198 - 23208
Main Authors Tanaka, Makoto, Amemiya, Tomohiro, Kagami, Hibiki, Nishiyama, Nobuhiko, Arai, Shigehisa
Format Journal Article
LanguageEnglish
Published 03.08.2020
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Summary:A metamaterial is an artificial material designed to control the electric permittivity and magnetic permeability freely beyond naturally existing values. A promising application is a slow-light device realized using a combination of optical waveguides and metamaterials. This paper proposes a method to dynamically control the slow-light effect in a metamaterial-loaded Si waveguide. In this method, the slow-light effect (i.e., group index) is controlled by changing the phase of the control light incident on the device from a direction opposite to that of the signal light. The group index of the device could be continuously controlled from 63.6 to 4.2 at a wavelength of 1.55 µm.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.389996