Ultra-low cost high-density two-dimensional visible-light optical interconnects

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Bamiedakis, Nikolaos and McKendry, Jonathan James Donald and Xie, Enyuan and Gu, Erdan and Dawson, Martin D. and Penty, Richard and White, Ian H. (2019) Ultra-low cost high-density two-dimensional visible-light optical interconnects. Journal of Lightwave Technology, 37 (13). 3305 - 3314. ISSN 0733-8724 (https://doi.org/10.1109/JLT.2019.2914310)

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Abstract

Visible light communications have attracted considerable interest in recent years owing to the ability of low-cost light emitting diodes (LEDs) to act both as illumination sources and data transmitters with moderate data transmission rates. In this paper, we propose the formation of ultra-low cost visible-light integrated optical links by interfacing dense micro-pixelated LED arrays with matching multi-layered multimode polymer waveguide arrays. The combination of these two optical technologies can offer relatively high aggregate data densities ≥ 0.5 Tb/s/mm 2 using very low cost components that can be directly interfaced with CMOS electronics and integrated onto standard printed circuit boards. Here, we present the basic system design and report the first proof-of-principle demonstration of such a visible light system employing 4×4 μLED arrays on a pitch matching four-layered waveguide array samples. Different interconnection topologies and light coupling schemes are investigated and their performance in terms of loss and crosstalk is compared. Data transmission of 2.5 Gb/s with a bit error rate within the forward-error correction threshold of 3.8×10 -3 is achieved over a single μLED-waveguide channel using PAM-4 modulation and equalization. The results presented here demonstrate the potential of such ultra-low cost visible-light optical interconnects.

ORCID iDs

Bamiedakis, Nikolaos, McKendry, Jonathan James Donald ORCID logoORCID: https://orcid.org/0000-0002-6379-3955, Xie, Enyuan ORCID logoORCID: https://orcid.org/0000-0001-7776-8091, Gu, Erdan ORCID logoORCID: https://orcid.org/0000-0002-7607-9902, Dawson, Martin D. ORCID logoORCID: https://orcid.org/0000-0002-6639-2989, Penty, Richard and White, Ian H.;
  • Item type:Article
    ID code:68040
    Dates:
    Date
    Event
    1 July 2019
    Published
    1 May 2019
    Published Online
    26 April 2019
    Accepted
    13 September 2018
    Submitted
    Notes:© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics > Institute of Photonics
    Depositing user: Pure Administrator
    Date deposited:24 May 2019 11:33
    Last modified:22 Dec 2024 01:22
    URI:https://strathprints.strath.ac.uk/id/eprint/68040
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