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Theoretical analysis of optical coupling properties of the waveguide grating with novel rectangular structure

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Bibliographic Details
Title: Theoretical analysis of optical coupling properties of the waveguide grating with novel rectangular structure
Authors: Yang, Yong-Bin1 yyb_1108@sdu.edu.cn, Wang, Yu-Rong1, Yu, Xiao-Qiang2
Source: Optics & Laser Technology. Jul2007, Vol. 39 Issue 5, p1089-1093. 5p.
Subjects: Photochemistry, Polymerization, Photopolymerization, Electric fields
Abstract: Abstract: For the waveguide grating photocoupler with novel structure [Yu XQ, Zhang X, Wong KS, Xu GB, Xu XG, Ren Y, et al. A fabrication of coupling grating in the polymeric waveguide by using two-photon initiated photopolymerization. Mater Lett 2004;58:3879–83. ; Yu XQ, Zhang X, Xu GB, Zhao HP, He W, Shao ZS, et al. Fabrication of grating waveguide and coupling grating using two-photon initiated photopolymerization. Chem J Chin Univ 2004;25(10):1931–3 (in Chinese). ], the electric fields of the TE guided wave and the TE radiating wave are obtained by solving the Helmholtz equation in the spatial rectangular coordinates. And then the relations between the loss coefficient and the different structure parameters of the waveguide and grating are analyzed by using the mode coupling theories, and their corresponding numerical simulation results are given. In the end the result obtained for this novel structure and that for conventional rectangle structure are compared, and the difference and the sameness are obtained. [Copyright &y& Elsevier]
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Database: Engineering Source
Description
Abstract:Abstract: For the waveguide grating photocoupler with novel structure [Yu XQ, Zhang X, Wong KS, Xu GB, Xu XG, Ren Y, et al. A fabrication of coupling grating in the polymeric waveguide by using two-photon initiated photopolymerization. Mater Lett 2004;58:3879–83. ; Yu XQ, Zhang X, Xu GB, Zhao HP, He W, Shao ZS, et al. Fabrication of grating waveguide and coupling grating using two-photon initiated photopolymerization. Chem J Chin Univ 2004;25(10):1931–3 (in Chinese). ], the electric fields of the TE guided wave and the TE radiating wave are obtained by solving the Helmholtz equation in the spatial rectangular coordinates. And then the relations between the loss coefficient and the different structure parameters of the waveguide and grating are analyzed by using the mode coupling theories, and their corresponding numerical simulation results are given. In the end the result obtained for this novel structure and that for conventional rectangle structure are compared, and the difference and the sameness are obtained. [Copyright &y& Elsevier]
ISSN:00303992
DOI:10.1016/j.optlastec.2006.04.004