9 February 2009 Path folding and path shifting system at 1550 nm using multiple Bragg holographic gratings
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Abstract
In this paper, the input-output coupler system using two and three Bragg gratings is implemented for optical communication wavelength, i.e. 1550nm, in path-folding and path-shifting type. The grating is designed with 45 degrees fringe slant angle to achieve normal direction input, output coupler. An additional grating at the output coupler makes the total system throughput increase 9% in comparison with two-grating input-output coupler system. With 5x5mm grating size, the total systems throughput can reach nearly 26% for two-grating and 35% for three-grating input-output coupler.
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Anh-Hoang Phan, Anh-Hoang Phan, Nam Kim, Nam Kim, Jae-Hyeung Park, Jae-Hyeung Park, Kwon-Yeon Lee, Kwon-Yeon Lee, } "Path folding and path shifting system at 1550 nm using multiple Bragg holographic gratings", Proc. SPIE 7218, Integrated Optics: Devices, Materials, and Technologies XIII, 72181F (9 February 2009); doi: 10.1117/12.808501; https://doi.org/10.1117/12.808501
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