Data supporting the publication "Accurate dipole radiation model for waveguide grating couplers".

Abstract

This dataset supports the publication: Zhen Liu, Mohamed A. Ettabib, James S. Wilkinson, Michalis N. Zervas. (2023) "Accurate dipole radiation model for waveguide grating couplers" The excel file contains all experimental data used for generating Fig.2 to Fig.4 Fig. 2: CE and WGC parameters for different core indices, with core thickness selected to maximize the surface intensity; (a) CE on the left y-axis in blue and joint loss on the right y-axis (b) WGC etch depth (left axis) and grating period (right axis). Dots: numerical [from [2]), solid line: theoretical, dashed line: theoretical without joint loss. Fig. 3: Total CE and WGC parameters for different Si core thickness; (a) WGC etch depth (left axis-red) and grating period (right axis-blue), (b) CE (left axis C blue) and joint loss (right axis-red). Solid lines: theoretical result; dots: numerical results from [2]. Fig. 4: (a) Normalized attenuation coefficient _tot (left axis - solid lines), and joint loss (right axis - dashed lines) as a function of etch depth; (b) total CE as a function of grating depth, for different core thicknesses. Related projects: Engineering and Physical Sciences Research Council (EP/R011230/1). Dataset available under a CC BY 4.0 licence

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