Nanopatterned organic semiconductors for visible light communications

Xilu Yang; Yurong Dong; Pan Zeng; Yan Yu; Yujun Xie; Junyi Gong; Meng Shi; Rongqing Liang; Qiongrong Ou; Nan Chi; Shuyu Zhang

doi:10.1117/12.2314698

5 March 2018 Nanopatterned organic semiconductors for visible light communications

Xilu Yang, Yurong Dong, Pan Zeng, Yan Yu, Yujun Xie, Junyi Gong, Meng Shi, Rongqing Liang, Qiongrong Ou, Nan Chi, Shuyu Zhang

Author Affiliations +

Proceedings Volume 10710, Young Scientists Forum 2017; 107100Q (2018) https://doi.org/10.1117/12.2314698
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

Visible light communication (VLC) is becoming an important and promising supplement to the existing Wi-Fi network for the coming 5G communications. Organic light-emitting semiconductors present much fast fluorescent decay rates compared to those of conventional colour-converting phosphors, therefore capable of achieving much higher bandwidths. Here we explore how nanopatterned organic semiconductors can further enhance the data rates of VLC links by improving bandwidths and signal-to-noise ratios (SNRs) and by supporting spatial multiplexing. We first demonstrate a colour-converting VLC system based on nanopatterned hyperbolic metamaterials (HMM), the bandwidth of which is enhanced by 50%. With regard to enhancing SNRs, we achieve a tripling of optical gain by integrating a nanopatterned luminescent concentrator to a signal receiver. In addition, we demonstrate highly directional fluorescent VLC antennas based on nanoimprinted polymer films, paving the way to achieving parallel VLC communications via spatialmultiplexing. These results indicate nanopatterned organic semiconductors provide a promising route to high speed VLC links.

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Xilu Yang, Yurong Dong, Pan Zeng, Yan Yu, Yujun Xie, Junyi Gong, Meng Shi, Rongqing Liang, Qiongrong Ou, Nan Chi, and Shuyu Zhang "Nanopatterned organic semiconductors for visible light communications", Proc. SPIE 10710, Young Scientists Forum 2017, 107100Q (5 March 2018); https://doi.org/10.1117/12.2314698

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KEYWORDS

Nanostructures

Organic semiconductors

Antennas

Visible radiation

Orthogonal frequency division multiplexing

Signal to noise ratio

Communication engineering

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