23 February 2018 Highly efficient grating couplers with mode conversion functions
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Abstract
In this work, we show the possibility of combining grating couplers and mode converters, both with a high efficiency. The proposed devices are very compact with no extra fabrication efforts required. We have shown that the LP01, LP11a, LP11b and LP21b modes in an optical fiber can be successfully excited directly from the proposed grating couplers, which have the fundamental mode as an input from an integrated waveguide. It is shown the overall efficiency could be as high as 50%.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Meng Zhang, Meng Zhang, Henan Liu, Henan Liu, Guifang Li , Guifang Li , Lin Zhang, Lin Zhang, } "Highly efficient grating couplers with mode conversion functions", Proc. SPIE 10535, Integrated Optics: Devices, Materials, and Technologies XXII, 105351P (23 February 2018); doi: 10.1117/12.2291342; https://doi.org/10.1117/12.2291342
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