Highly efficient grating couplers with mode conversion functions

Meng Zhang; Henan Liu; Guifang Li; Lin Zhang

doi:10.1117/12.2291342

23 February 2018 Highly efficient grating couplers with mode conversion functions

Meng Zhang, Henan Liu, Guifang Li , Lin Zhang

Proceedings Volume 10535, Integrated Optics: Devices, Materials, and Technologies XXII; 105351P (2018) https://doi.org/10.1117/12.2291342
Event: SPIE OPTO, 2018, San Francisco, California, United States

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, LP_11a, LP_11b and LP_21b 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

Citation Download Citation

Meng Zhang, Henan Liu, Guifang Li , and Lin Zhang "Highly efficient grating couplers with mode conversion functions", Proc. SPIE 10535, Integrated Optics: Devices, Materials, and Technologies XXII, 105351P (23 February 2018); https://doi.org/10.1117/12.2291342

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