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

Fakidis, John; Videv, Stefan; Helmers, Henning; Haas, Harald

doi:10.1109/lpt.2018.2815273

Cited by 52 publications

(15 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The use of solar cells as both energy sources to remotely power receivers and as communications signals has also been investigated and demonstrated, with data rates of 0.5 Gb s −1 [12]. In [96], a demonstration of a backhaul link for 5G wireless systems in a rural environment is reported.…”

Section: Receiversmentioning

confidence: 99%

Transmitter and receiver technologies for optical wireless

O’Brien

Rajbhandari

Chun

2020

Phil. Trans. R. Soc. A.

View full text Add to dashboard Cite

Providing a reliable link, with sufficient signal-to-noise ratio (SNR) and bandwidth to deliver high-capacity communications is a critical challenge for optical wireless (OW) communications and understanding and jointly optimizing the performance of the transmitter and receiver subsystems is a key part of this. At the transmitter a source of light, either a laser or a light-emitting diode, must be modulated with the communications signal. The resulting emission must be directed, using optics or steering systems, as required for the particular application, and must be within any safety levels set by relevant standards. The receiver is the most critical part of any optical link, as its design is a dominant factor in determining the received SNR, which determines the capacity and ultimately the utility of the link. A receiver must collect, filter and concentrate signal radiation, then detect and amplify the resulting electrical signal. This review surveys the state-of–the-art transmitter and receiver technologies. Details of design constraints are discussed, and potential future directions discussed. This article is part of the theme issue ‘Optical wireless communication’.

show abstract

Section: Receiversmentioning

confidence: 99%

Transmitter and receiver technologies for optical wireless

O’Brien

Rajbhandari

Chun

2020

Phil. Trans. R. Soc. A.

View full text Add to dashboard Cite

show abstract

“…Solar cells can also be used as a VLC receiver with appropriate circuitry that detects the alternating current (AC) data input separately from the direct current (DC) lighting background. This allows for simultaneous data communication and energy harvesting and it has been explored with inorganic and organic photovoltaics [8][9][10][11]. Within this application, perovskite solar cells could be flexible and offer much simpler fabrication than GaAs, with the potential for higher power conversion efficiency than organic solar cells [8,10].…”

Section: Introductionmentioning

confidence: 99%

Triple-cation perovskite solar cells for visible light communications

et al. 2020

Self Cite

View full text Add to dashboard Cite

Hybrid perovskite materials are widely researched due to their high absorptivity, inexpensive synthesis, and promise in photovoltaic devices. These materials are also of interest as highly sensitive photodetectors. In this study, their potential for use in visible light communication is explored in a configuration that allows for simultaneous energy and data harvesting. Using a triple-cation material and appropriate device design, a new record data rate for perovskite photodetectors of 56 Mbps and power conversion efficiencies above 20% under white LED illumination are achieved. With this device design, the −3 dB bandwidth is increased by minimizing the dominating time constant of the system. This correlation between the bandwidth and time constant is proved using measurements of time-resolved photoluminescence, transient photovoltage, and device resistance.

show abstract

“…Going forward from these initial demonstrations, a 12 Mb/s wireless data link with a distance of 1 m was created in [11] using a white LED and the same solar panel receiver with that in [10]. Alternative PV technologies used for data detection include organic [12] and GaAs PV cells [13]. Those devices offer lower capacitances than Si-made solar panels due to their reduced sizes and their electrical bandwidth is much higher, i.e., of the MHz order.…”

Section: Introductionmentioning

confidence: 99%

“…In [12], a data rate of 34.2 Mb/s is reported for a 1 m OWC link using an organic solar cell. A record data rate of 522 Mb/s has been achieved using a GaAs PV cell as a data detector in [13] at a 2 m link distance. However, there are strict alignment requirements for organic and GaAs PV cells due to their reduced areas.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Towards Energy Neutral Wireless Communications: Photovoltaic Cells to Connect Remote Areas

et al. 2019

View full text Add to dashboard Cite

In this work, we have designed, developed and deployed the world’s first optical wireless communication (OWC) system using off-the-shelf lasers and solar photovoltaics. Four bidirectional OWC prototypes have been installed on the Orkney Islands of Scotland at a 30 m link distance for the provision of high-speed internet access to two residential properties. The silicon-made solar panels can harvest power up to 5 W from sunlight and they offer data rates as high as 8 Mb/s. Using additional analogue processing, data rates higher than the existing landline broadband connection are achieved. This breakthrough opens the development path to low cost, self-powered and plug-and-play free-space optical (FSO) systems.

show abstract

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

Cited by 52 publications

References 13 publications

Transmitter and receiver technologies for optical wireless

Transmitter and receiver technologies for optical wireless

Triple-cation perovskite solar cells for visible light communications

Towards Energy Neutral Wireless Communications: Photovoltaic Cells to Connect Remote Areas

Contact Info

Product

Resources

About