| Authors: | D. Taillaert, H. Chong, P. Borel, L. Frandsen, R.M. De La Rue, R. Baets | | Title: | A compact two-dimensional grating coupler used as a polarization splitter | | Format: | International Journal | | Publication date: | 9/2003 | | Journal/Conference/Book: | IEEE Photonics Technology Letters
| | Volume(Issue): | 15(9) p.1249-1251 | | DOI: | 10.1109/lpt.2003.816671 | | Citations: | 330 (Dimensions.ai - last update: 24/11/2024)
217 (OpenCitations - last update: 3/5/2024)
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Abstract
We demonstrate a novel polarization splitter based on a two-dimensional grating etched in a silicon-on-insulator waveguide. The device couples orthogonal modes from a single-mode optical fober into identical modes of two planar ridge waveguides. the extinction ratio is better than 18 dB in the wavelength range of 1530-1560 nm and the coupling efficiency is approximately 20%. The device is very compact nd couples light only to transverse-electric modes of the planar waveguides. Therefore, ot may be used in a polarization diversity configuration to implement a polarization insensitive photonic circuit baed an photonic crystal waveguides. Related Research Topics
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