Ultrasmall overlapped arrayed-waveguide grating, based on Si nanowire waveguides for dense wavelength division demultiplexing

被引：15
|
作者：
Dai, Daoxin [1 ]
He, Sailing
机构：
[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
[2] Royal Inst Technol, Joint Res Ctr, Gothenburg, Sweden
[3] Zhejiang Univ, Hangzhou 310058, Peoples R China
[4] Royal Inst Technol, Div Electromagnet Theory, Alfven Lab, S-10044 Stockholm, Sweden
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2006年 / 12卷 / 06期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
arrayed-waveguide grating (AWG); nanowire; overlapped; silicon; ultrasmall; waveguide;
D O I：
10.1109/JSTQE.2006.879583
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：
A novel design for an ultrasmall arrayed-waveguide grating (AWG) demultiplexer based on a Si nanowire waveguide is presented. The two free propagation regions (FPRs) are overlapped so that the structure becomes more compact than the layout of a conventional design. Each half of an arrayed waveguide includes three straight sections and two bending sections, and all these sections are connected smoothly in sequence. Some recursive formulas for determining the geometrical parameters of the novel layout are derived. Numerical simulation results are given.
引用
收藏
页码：1301 / 1305
页数：5
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