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Tapered simplified modal method for analysis of non-rectangular gratings
Li, Shuai; Zhou, Changhe; Barbastathis, George; shuaili@mit.edu
2017
Source PublicationAppl. Optics
Volume56Issue:1Pages:120
AbstractThe simplifiedmodal method (SMM) [Opt. Quantum Electron. 37, 309 (2005)] provides a quick, intuitive way to analyze the performance of the gratings of rectangular shapes. For non-rectangular shapes, a version of SMM has been developed [Opt. Lett. 33, 1554 (2008)], but it applies only to the Littrow-mounting incidence case and neglects reflection. Here, we use the theory of mode-coupling in a tapered waveguide to improve SMM so that it applies to non-rectangular gratings at arbitrary angles of incidence. Moreover, this new tapered simplified modal method (TSMM) allows us to properly account for reflected light and requires fewer coupled guided modes to compute the correct diffracted field than required plane wave modes in rigorous coupled wave analysis (RCWA). We present here the analytical development of the theory and numerical simulations, demonstrating the validity of the method by comparing it with RCWA and the finite difference time domain method. (C) 2016 Optical Society of America
SubtypeArticle
Department信息光电
DOI10.1364/AO.56.000120
Funding OrganizationU.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040] ; U.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040] ; U.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040] ; U.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040]
Indexed BySCI
Funding OrganizationU.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040] ; U.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040] ; U.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040] ; U.S. Department of Homeland Security (DHS) [HSHQDC-13-C-B0040]
WOS IDWOS:000392091200035
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/28529
Collection信息光学与光电技术实验室
Corresponding Authorshuaili@mit.edu
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Li, Shuai,Zhou, Changhe,Barbastathis, George,et al. Tapered simplified modal method for analysis of non-rectangular gratings[J]. Appl. Optics,2017,56(1):120.
APA Li, Shuai,Zhou, Changhe,Barbastathis, George,&shuaili@mit.edu.(2017).Tapered simplified modal method for analysis of non-rectangular gratings.Appl. Optics,56(1),120.
MLA Li, Shuai,et al."Tapered simplified modal method for analysis of non-rectangular gratings".Appl. Optics 56.1(2017):120.
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