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0.5-Gb/s OFDM-Based Laser Data and Power Transfer Using a GaAs Photovoltaic Cell

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Original languageEnglish
Title of host publication31st Annual Conference of the IEEE Photonics Society
Publication statusPublished - 17 Jul 2018
Event31st Annual Conference of the IEEE Photonics Society, IPC 2018 - Reston, United States
Duration: 30 Sep 20184 Oct 2018

Conference

Conference31st Annual Conference of the IEEE Photonics Society, IPC 2018
CountryUnited States
CityReston
Period30/09/184/10/18

Abstract

In this letter, we demonstrate for the first time the additional capability of high-speed data communication for single-junction photovoltaic (PV) cells. A record 3-dB bandwidth of 24.5 MHz is reported for a gallium arsenide (GaAs) PV cell. The PV cell is shown to achieve a power efficiency of at least 42% when irradiance of 0.46 W/cm2 is received from 847-nm vertical- cavity surface-emitted laser. Optimized bit-and-power-loaded optical orthogonal frequency-division multiplexing (OFDM) is applied to use the communication bandwidth most efficiently. With this, a data rate of 0.5 Gb/s is achieved for a 2-m OFDM- based laser link. To the best of our knowledge, the reported data rates achieved with a GaAs PV cell as the detector are the highest for simultaneous optical wireless information and power transfer.

Event

31st Annual Conference of the IEEE Photonics Society, IPC 2018

30/09/184/10/18

Reston, United States

Event: Conference

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