Transfer-printed micro-LED and polymer-based transceiver for visible light communications

Rae, K. and Manousiadis, P. P. and Islim, M. S. and Yin, L. and Carreira, J. and Mckendry, J. J. D. and Guilhabert, B. and Samuel, I. D. W. and Turnbull, G. A. and Laurand, N. and Haas, H. and Dawson, M. D. (2018) Transfer-printed micro-LED and polymer-based transceiver for visible light communications. Optics Express, 26 (24). pp. 31474-31483. ISSN 1094-4087

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    Abstract

    Visible light communications (VLC) is an emerging technology that uses LEDs, such as found in lighting fixtures and displays, to transmit data wirelessly. Research has so far focused on LED transmitters and on photoreceivers as separate, discrete components. Combining both types of devices into a single transceiver format will enable bi-directional VLC and offer flexibility for the development of future advanced VLC systems. Here, a proof of concept for an integrated optical transceiver is demonstrated by transfer printing a microsize LED, the transmitter, directly onto a fluorescent optical concentrator edge-coupled to a photodiode, the receiver. This integrated device can simultaneously receive (downlink) and transmit (uplink) data at rates of 416 Mbps and 165 Mbps, respectively. Its capability to operate in optical relay mode at 337 Mbps is experimentally demonstrated.