The calculation about the positions of self-imaging in a limited number of metal waveguide arrays

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• 作者：Xiaoyan Shi ; Wu Yang ; Huaizhong Xing ; Xiaoshuang Chen
• 关键词：Self ; imaging ; Metal waveguide arrays ; Perturbation approach ; Supermode theory
• 刊名：Optical and Quantum Electronics
• 出版年：2015
• 出版时间：August 2015
• 年：2015
• 卷：47
• 期：8
• 页码：2391-2398
• 全文大小：940 KB
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• 作者单位：Xiaoyan Shi (1) (2)
  Wu Yang (3)
  Huaizhong Xing (1)
  Xiaoshuang Chen (4)
  
  1. College of Materials Science and Engineering, Donghua University, Ren Min Road 2999, Songjiang District, Shanghai, 201620, China
  2. China College of Science, Information Engineering University of PLA, Zhengzhou, 450001, China
  3. College of Science, Henan University of Technology, Zhengzhou, 450001, China
  4. National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, 500 Yutian Road, Shanghai, 200083, China
  
• 刊物主题：Optics, Optoelectronics, Plasmonics and Optical Devices; Electrical Engineering; Characterization and Evaluation of Materials; Computer Communication Networks;
• 出版者：Springer US
• ISSN：1572-817X

文摘

We investigative the field distribution in a limited number of nanostructured metal waveguide arrays. The precise positions of self-imaging are obtained. We derive the perturbation constant and the coupling constant by perturbation approach and supermode theory in a system that contains two adjacent waveguides. The perturbation constant and the coupling constant can also be applied to the systems that contain more than two adjacent waveguides. The cases of N \(=\) 3 and N \(=\) 4 are analyzed. Our theories are verified by the finite-difference time-domain method. Numerical simulation results show a good agreement with the theoretical predictions. Keywords Self-imaging Metal waveguide arrays Perturbation approach Supermode theory