Second-order bragg interaction in double grating couplers: TM mode |
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| Authors: | Masoud Kasraian |
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| Institution: | (1) Department of Electrical and Computer Engineering, University of Wisconsin-Madison, 53706-1691 Madison, Wisconsin |
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| Abstract: | An analytical treatment of the second-order Bragg interaction is presented for the transverse magnetic mode of a dielectric film waveguide having gratings on both the film-cover and the film-substrate interfaces. Four canonical equations that describe the interactions of two guided waves propagating in the opposite directions in the film and the normally incident and radiated free waves in the cover and the substrate are deduced. |
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| Keywords: | Bragg Interaction Grating Couplers TM Mode Dielectric Film Waveguide |
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