A stable approach to conical diffraction of nearly lossless metallic gratings

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• 作者：Wen-Lan Yeh (1)
  Yih-Peng Chiou (2)
  
  1. Graduate Institute of Photonics and Optoelectronics ; National Taiwan University ; Taipei ; Taiwan
  2. Graduate Institute of Photonics and Optoelectronics ; Graduate Institute of Communication Engineering ; and Department of Electrical Engineering ; National Taiwan University ; Taipei聽 ; 10617 ; Taiwan
  
• 关键词：Multidomain pseudospectral method ; Frequency domain analysis ; Electromagnetic scattering by periodic structures
• 刊名：Optical and Quantum Electronics
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：47
• 期：3
• 页码：535-543
• 全文大小：537 KB
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  2. Chiou, Y.P., Yeh, W.L., Shih, N.Y.: Analysis of highly conducting lamellar gratings with multidomain pseudospectral method. J. Lightwave Technol. 27(22), 5151鈥?159 (2009) 343" target="_blank" title="It opens in new window">CrossRef
  3. Edee, M.K., Fenniche, I., Granet, G., Guizal, B.: Modal method based on subsectional gegenbauer polynomial expansion for lamellar gratings: weighting function, convergence and stability. Prog. Electromagn. Res. 133, 17鈥?5 (2013) 311" target="_blank" title="It opens in new window">CrossRef
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• 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 develop a multidomain pseudospectral method to analyze lamellar gratings for general conical diffraction from TE/TM diffraction. The validity and usefulness of this approach are demonstrated through normal metallic lossy and highly conductive lossless gratings. The developed method provides excellent numerical stability and convergence over commonly used rigorous couple wave analysis (RCWA) when the nearly lossless metal is involved. In the case, RCWA suffers from instability problem, while our method still performs well. Several examples are demonstrated.