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A Superimposed QD-Based Optical Antenna for VLC: White LED Source.

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¹Photonics and Nanocrystal Research Laboratory (PNRL), University of Tabriz, Tabriz 5166614761, Iran.

Nanomaterials (Basel, Switzerland)

|August 12, 2022

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This study introduces a novel optical antenna for visible light communication (VLC) using luminescent solar concentrator (LSC) technology. The LSC antenna enhances signal quality and efficiency for high-speed wireless data transmission.

Area of Science:

Optoelectronics
Wireless Communication Technologies
Photonics

Background:

Visible light communication (VLC) leverages the unlicensed spectrum for high-speed wireless data transmission.
White light-emitting diodes (LEDs) offer simultaneous illumination and data capabilities.
Optical receiver antennas are critical components in VLC systems for signal reception and conversion.

Purpose of the Study:

To demonstrate a novel optical receiver antenna for VLC systems.
To improve signal-to-noise ratio and optical efficiency beyond existing technologies.
To develop a compact, efficient, and tracking-free optical antenna solution.

Main Methods:

Utilized luminescent solar concentrator (LSC) technology for optical antenna design.

Keywords:

Li-Fi Monte Carlo ray-tracing simulation light-emitting diode (LED)luminescent solar concentrator (LSC)optical receiver antenna optical wireless communication (OWC)superimposed quantum dots visible light communication (VLC)

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Employed Monte Carlo ray-tracing for numerical simulations.

Analyzed results in the spectral domain, including photon fate and chromaticity.

Main Results:

Achieved an optical efficiency of 3.75%, significantly outperforming similar antennas.
Demonstrated compatibility with all LED colors.
Confirmed the antenna's speed and suitability for electronic devices without a tracking system.

Conclusions:

The LSC-based optical antenna offers a significant advancement for VLC systems.
The developed antenna provides high efficiency and signal quality.
This technology is adaptable for integration into various electronic devices.