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Calculation of Radiative Loss in Index Contrast of AlxGa1-xAs Waveguides | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 16, Issue 1, 2013, Pages 98-101 | ||
| Authors | ||
| Latef M. Ali; Farah A. Abed | ||
| Abstract | ||
| In this paper we used a theoretical and numerical investigation model to calculate the radiation losses, penetration depth and effective indices for AlxGa1-xAs planar optical waveguides at a wavelength of 1550 nm. Newton-Raphson method was used to find the radiation modes and its wavenumber. It was found that the change in the refractive index of AlxGa1-xAs optical waveguide is responsible of scattering effects and radiation towards the substrate. | ||
| Keywords | ||
| Radiation; loss; Optical planar waveguides; refractive index | ||
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