An Equivalent Circuit Model of a Commercial LED with an ESD Protection Component for VLC

Xicong Li; Zabih Ghassemlooy; Stanislav Zvanovec; Luis Nero Alves

doi:10.1109/LPT.2021.3095557

An Equivalent Circuit Model of a Commercial LED with an ESD Protection Component for VLC

Xicong Li^*, Zabih Ghassemlooy, Stanislav Zvanovec, Luis Nero Alves

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

An equivalent circuit model for a typical commercial light-emitting diode (LED) used in visible light communication (VLC) applications is proposed. The parameters of the elements in the model are extracted from the measured impedance using a vector network analyser. The model shows high accuracy in fitting the measured results and shows the effect of bonding/packaging parasitics and the electrostatic discharge (ESD) component on the LED’s impedance and bandwidth. This study aims to raise the designer’s awareness when designing and fabricating high-speed LED/ μ LED devices to achieve the optimal modulation bandwidth in the emerging VLC applications.

Original language	English
Article number	9477569
Pages (from-to)	777-779
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	33
Issue number	15
Early online date	8 Jul 2021
DOIs	https://doi.org/10.1109/LPT.2021.3095557
Publication status	Published - 1 Aug 2021

Keywords

equivalent circuit model
ESD
impedance
LED
LiFi
parasitics
VLC

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10.1109/LPT.2021.3095557

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title = "An Equivalent Circuit Model of a Commercial LED with an ESD Protection Component for VLC",

abstract = "An equivalent circuit model for a typical commercial light-emitting diode (LED) used in visible light communication (VLC) applications is proposed. The parameters of the elements in the model are extracted from the measured impedance using a vector network analyser. The model shows high accuracy in fitting the measured results and shows the effect of bonding/packaging parasitics and the electrostatic discharge (ESD) component on the LED{\textquoteright}s impedance and bandwidth. This study aims to raise the designer{\textquoteright}s awareness when designing and fabricating high-speed LED/ μ LED devices to achieve the optimal modulation bandwidth in the emerging VLC applications.",

keywords = "equivalent circuit model, ESD, impedance, LED, LiFi, parasitics, VLC",

author = "Xicong Li and Zabih Ghassemlooy and Stanislav Zvanovec and Alves, \{Luis Nero\}",

note = "This work was supported in part by the COST Action NEWFOCUS under Grant CA19111 and in part by H2020 through the Marie Sklodowska-Curie Grant (VisIoN) under Agreement 764461. ",

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An Equivalent Circuit Model of a Commercial LED with an ESD Protection Component for VLC

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Keywords

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