Analysis and Investigation of Dual-Polarized Color LED Based Visible Light Communication System

Yang, Yun Cheng; Yeh, Chien Hung; Liaw, Shien Kuei; Chow, Chi‐Wai; Hsu, Wei-Chou; Wang, Bo Yin

doi:10.3390/photonics8060210

Cited by 5 publications

(2 citation statements)

References 22 publications

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“…The use of multiplexing techniques has been advised for capacity enhancement in transmission systems. Polarization division multiplexing is one technique that is used widely [34][35][36][37][38][39][40]. In 2019 [41], an overview of VLS system perspectives and requirements was presented.…”

Section: Introductionmentioning

confidence: 99%

High Speed RGB-Based Duobinary-Encoded Visible Light Communication System Under the Impact of Turbulences

Sharma

2022

Front. Phys.

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Recent gains in the pervasiveness of Visible Light Communication due to its ability to simultaneously provide lighting and communication solutions make it the best candidate for enabling smart city infrastructure to have seamless connectivity. The fundamental challenge of this technology is to ensure high data rate communication while meeting the lighting requirements of smart cities. This work is focused on providing high data rate capacity using visible light communication. To realize this, diffused channel modeling and channel modeling are considered. A total of six channels, each carrying 10 Gbps data are multiplexed using polarization division multiplexing and wavelength division multiplexing transmitted over a diffused channel of 1.3 m, while the ranges of 8 m under clear conditions and 5 m under heavy attenuation are reported with modeling. The reported results show the successful transmission of data in terms of bit error rate and eye diagram.

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Section: Introductionmentioning

confidence: 99%

High Speed RGB-Based Duobinary-Encoded Visible Light Communication System Under the Impact of Turbulences

Sharma

2022

Front. Phys.

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“…Hsu et al in 2018 [23] demonstrated an OFDM-PDM based VLC system with a data rate of 1.4 Gbps. Recently in 2020 [24], authors have demonstrated the transmission of 1.2 Gbps and 1.12 Gbps of data over a 3 and 4 m free space link by using dual polarized green and blue LED-based light streams. On the other hand, hybrid multiplexing schemes are used by many researchers to increase the bandwidth and capacity of optical communication systems [25][26][27][28][29][30][31][32][33][34][35].…”

Section: Introductionmentioning

confidence: 99%

A Cost-Efficient RGB Laser-Based Visible Light Communication System by Incorporating Hybrid Wavelength and Polarization Division Multiplexing Schemes

Xiang-peng

2021

Front. Phys.

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Visible light communication (VLC) has been proven a promising technology to counter the limitations of radio frequency (RF) communication technology such as high interference and high latency issues. VLC offers high bandwidth as well as immunity to interference from other electromagnetic spectrums. Due to these features, VLC can be an excellent solution for biomedical and healthcare applications for transmission of body sensor signals and other crucial patient information. In this work, a highly efficient VLC system is designed to transmit six channels, with each one carrying 10 Gbps of data, over a 500 m optical fiber link and a 200 cm VLC link. To make the VLC system cost effective, simple and efficient on-off keying (OOK) (non-return to zero) is used as the encoding scheme. Moreover, to further enhance the capacity and bandwidth of the proposed VLC system, hybrid wavelength division multiplexing (WDM) and polarization division multiplexing (PDM) schemes are incorporated by using red, green, and blue lasers. The reported results show the successful transmission of all channels (6 × 10 Gbps) over 500 m optical fiber and 200 cm of VLC link.

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Piezo-phototronics in quantum well structures

Dai

Hua

Sha

et al. 2022

Journal of Applied Physics

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Quantum well (QW) structures are formed in nanometer-thickness-scale semiconductors with different bandgaps in sandwiched configurations and can offer a wide variety of advantages as active layers for optoelectronic devices, e.g., laser diodes, light emit diodes, photodetectors, and solar cells. Due to the non-centrosymmetric crystal structure, the third-generation semiconductor, such as ZnO, AlN, GaN, and InN, can generate a piezopotential within the crystal by applying an external or internal strain and lead to an effective modulation of the optoelectronic device performance, which is also called piezo-phototronics. With reducing the feature size of materials into several tens of nanometers (e.g., forming QW structures), the multiway coupling effects of quantum physics and piezo-phototronics (coupling with piezoelectricity, photoexcitation, and semiconductor properties) make this research topic more attractive and open a new window for fabricating advanced intelligent optoelectronic devices. This Perspective reviews the recent advances of piezo-phototronics in QW structures, including the fundamental theories and device performance enhancements, and aims to offer a summary and outlook for future research directions and practical applications of piezo-phototronic QW devices.

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Analysis and Investigation of Dual-Polarized Color LED Based Visible Light Communication System

Cited by 5 publications

References 22 publications

High Speed RGB-Based Duobinary-Encoded Visible Light Communication System Under the Impact of Turbulences

High Speed RGB-Based Duobinary-Encoded Visible Light Communication System Under the Impact of Turbulences

A Cost-Efficient RGB Laser-Based Visible Light Communication System by Incorporating Hybrid Wavelength and Polarization Division Multiplexing Schemes

Piezo-phototronics in quantum well structures

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