Fast-acting halide-perovskite-based RGB fluorescent materials for aggregate Gb/s visible light communication

Yue Wang, Hong Wang, Omar Alkhazragi, Zyad O.F. Mohammed, Luis Gutiérrez-Arzaluz, Chun Hong Kang, Tien Khee Ng, Omar F. Mohammed, Boon S. Ooi*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Three types of halide-perovskite-based fast-acting fluorescent materials have been demonstrated for high-speed visible light communication. All-inorganic metal-halide perovskite CsPbI3 was utilized to generate red color at 685 nm, and two-dimensional (2D) hybrid organic-inorganic halide perovskite nanosheets, (PEA)2PbI4 and (PEA)2PbBr4 (PEA= C8H9NH3), with peak photoluminescence (PL) wavelengths of 525 nm and 408 nm, were respectively used for green- and blue-light emission. The materials were then embedded in the polymethyl methacrylate (PMMA) to improve their durability and flexibility in practical applications. Pumped by a 405-nm violet laser, the red and green phosphors exhibit –3-dB modulation bandwidths of 14 MHz and 193 MHz, respectively. For the blue phosphor, a 124-MHz –3-dB bandwidth was obtained by using a 375-nm UVA laser diode. Benefitting from either the short PL lifetime or high PL quantum yield, aggregate Gb/s data transmission was achieved in the communication link. Direct current biased optical orthogonal frequency-division multiplexing (DCO-OFDM) modulation scheme was implemented with an adaptive quadrature amplitude modulation (QAM) signal. The transmission net data rates of RGB phosphors are 0.51 Gb/s, 0.93 Gb/s, and 0.43 Gb/s, respectively. The corresponding average bit error ratios are 3.5×10-3, 3.6×10-3, and 3.6×10-3, which are below the 7%-overhead forward error correction (FEC) criterion. Taking advantage of the tunability of the halide perovskite materials covering the whole visible range could further fulfill high-speed color-pure wavelength-division multiplexing by using a single source with multiple luminescent materials emitting light at different wavelengths. Besides, combining luminescent materials with specific colors, simultaneous white-light illumination, and high-speed communication can also be realized.

Original languageEnglish (US)
Title of host publicationOptical Components and Materials XX
EditorsShibin Jiang, Michel J. Digonnet
PublisherSPIE
ISBN (Electronic)9781510659391
DOIs
StatePublished - 2023
EventOptical Components and Materials XX 2023 - San Francisco, United States
Duration: Jan 30 2023Jan 31 2023

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume12417
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceOptical Components and Materials XX 2023
Country/TerritoryUnited States
CitySan Francisco
Period01/30/2301/31/23

Keywords

  • Fast-acting RGB fluorescent materials
  • halide perovskites
  • orthogonal frequency-division multiplexing
  • visible light communication

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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