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To achieve multi-Gb/s data rates in 6G optical wireless networks based on narrow infrared (IR) laser beams, a high-speed receiver with a sufficiently large aperture and a wide field-of-view (FOV) is needed. In this work, we analyze the performance of imaging receivers, identify the existing design tradeoffs, and propose an optimized imaging receiver design with the objective to support multi-Gb/s data rates. It is shown that a simple imaging receiver composed of a converging lens and a 2 × 2 photodetector (PD) array can support data rates above 10 Gb/s while offering half-angle FOVs of up to 4.5◦.
Conference Presentation
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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