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

Qi Gao | Zendy; YunSong Zhou | Zendy; Hua Gao | Zendy; HuaiYu Wang | Zendy

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

Author(s) -

Qi Gao,

YunSong Zhou,

Hua Gao,

HuaiYu Wang

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4966210

Subject(s) - photonic crystal , perfect conductor , waveguide , transmission (telecommunications) , electronic circuit , optics , conductor , photonic integrated circuit , photonics , materials science , optoelectronics , electrical conductor , diode , physics , telecommunications , computer science , quantum mechanics , scattering , composite material

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

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