Optical antennas for wavelength division multiplexing in visible light communications beyond the étendue limit
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This paper presents a novel fluorescent receiver for visible light communications that combines a broad field of view (FoV) with a significant gain, and simultaneously enables wavelength division multiplexing (WDM) for data communications. These characteristics are achieved by creating a receiver that includes a stack of two fluorescent optical antennas, each designed to receive a different part of the spectrum and create two separable communication channels. The device outperforms the theoretical étendue limit in terms of the combination of FoV and gain it can achieve. Furthermore, the demonstrated de‐multiplexing of blue and green spectral components enables the parallel streaming of data by WDM. Since these devices are inexpensive, simple, and compact, they can easily be integrated into portable electronic devices such as phones, tablets, and laptops.
Manousiadis , P , Chun , H , Rajbhandari , S , Vithanage , D , Malyawan , R , Faulkner , G , Haas , H , O'Brien , D C , Collins , S , Turnbull , G A & Samuel , I D W 2019 , ' Optical antennas for wavelength division multiplexing in visible light communications beyond the étendue limit ' , Advanced Optical Materials , vol. Early View , 1901139 . https://doi.org/10.1002/adom.201901139
Advanced Optical Materials
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DescriptionFunding: UK EPSRC via “Ultra-parallel visible light communications (UP-VLC)” (Programme Grant EP/K00042X/1) and “Super Receivers for Visible Light Communications” (related grants EP/R00689X/1 and EP/R005281/1).
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