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Composite one-way transmission waveguide based on the curved metal slit and 1D photonic crystal

Authors :
Qi Gao
Yun-Song Zhou
Hua Gao
Huai-yu Wang
Source :
AIP Advances, Vol 6, Iss 10, Pp 105209-105209-10 (2016)
Publication Year :
2016
Publisher :
AIP Publishing LLC, 2016.

Abstract

The one-way devices in optical circuits are the key components just as the diodes in electric circuits, which allow the light going in only one direction. A novel one-way transmission structure is proposed which is a curved waveguide containing a confined photonic crystal. When the waveguide is made of perfect electric conductor, the exact calculation results demonstrate that the device shows excellent one-way properties. The forward transmissivity approaches 100% and the largest transmission ratio exceeds 100.92N, where N is the cell number of the photonic crystal in the structure. When the waveguide is made of real metal, the device also presents excellent one-way transmission properties, which can be confirmed by an approximate calculation as well as by the simulation. In working region, the lowest forward tranmissivity is about 30% and the largest one exceeds 70%. The highest transmission ratio exceeds 104.

Subjects

Subjects :
Physics
QC1-999

Details

Language :
English
ISSN :
21583226
Volume :
6
Issue :
10
Database :
Directory of Open Access Journals
Journal :
AIP Advances
Publication Type :
Academic Journal
Accession number :
edsdoj.459f8489a8cf484282e3eeed6092cfe6
Document Type :
article
Full Text :
https://doi.org/10.1063/1.4966210