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- Title
The calculation about the positions of self-imaging in a limited number of metal waveguide arrays.
- Authors
Shi, Xiaoyan; Yang, Wu; Xing, Huaizhong; Chen, Xiaoshuang
- Abstract
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.
- Subjects
NANOSTRUCTURED materials; IMAGING systems; WAVEGUIDES; QUANTUM perturbations; FINITE difference time domain method; COUPLING constants
- Publication
Optical & Quantum Electronics, 2015, Vol 47, Issue 8, p2391
- ISSN
0306-8919
- Publication type
Article
- DOI
10.1007/s11082-014-9999-7