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- W2391425258 abstract "For the GeSi/Si heterostructure optical waveguide is a kind of important connective device in the domain of sillica optoelectronic integrated circuits,there is important significance in researching its light coupling to improve its coupling efficiency.The radiation decay factor is concluded by analysing the coupling theories of the guided mode-the radiating mode.The coupling length the period and the groove depth of the Ge Si /Si heterostructure optical waveguide grating coupler are designed and analyzed.The guide thickness is 2500 nm and wavelength is 1300 nm.The results are as following: when the incident angle is 75° in air(the incident angle is 16° in the substrate),the period is 0.512 μm,the groove width is 0.256 μm,the coupling length is 2.3 mm,the coupling efficiecy in air is 22.5%,the coupling efficiency in the substrate is 46.3%,and the numerical simulation of the electronic field of the input guided mode and the output mode are given." @default.
- W2391425258 created "2016-06-24" @default.
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- W2391425258 date "2008-01-01" @default.
- W2391425258 modified "2023-09-24" @default.
- W2391425258 title "Design and Simulation of the the GeSi/Si Heterostructure Optical Waveguide Grating Coupler" @default.
- W2391425258 hasPublicationYear "2008" @default.
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