Abstract

A new device for conversion from 5G mobile wireless signals to optical signals, which is suitable for a passive wireless receiver in uplinks of 5G mobile front-haul in dense user environments, and a 5G-band sensor for precise antenna measurement, has been developed utilizing an array of antenna-coupled electrodes integrated on a high-speed LiNbO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> electro-optic (EO) modulator. The 5G wireless signal conversion and the high-speed data transfer over a silica optical fiber link for high-definition (HD) video streaming were demonstrated successfully using the fabricated device operating in the 28 GHz-band.

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