Design of unidirectional subwavelength slit coupler for THz surface plasmons

被引：0
|
作者：
Gan, Qiaoqiang [1 ]
Fu, Zhan [1 ]
Ding, Yujie J. [1 ]
Bartoli, Filbert J. [1 ]
机构：
[1] Lehigh Univ, Ctr Opt Technol, Dept Elect & Comp Engn, Bethlehem, PA 18015 USA
来源：
NUSOD '07: PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON NUMERICAL SIMULATION OF OPTOELECTRONIC DEVICES | 2007年
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D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we demonstrate a unidirectional subwavelength slit coupler at THz frequencies by using two-dimensional finite difference time domain (FDTD) modeling. The near-field light emitted from the narrow slit serves as a subwavelength-scaled excitation source. By placing a particular grating structure on one side of the slit, the light could be guided in only one direction. This unidirectional subwavelength slit coupler is amenable to incorporation into optical integrated circuits at THz frequencies.
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页码：27 / +
页数：2
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