Journal article Open Access

1 × 4 MMI Visible Light Wavelength Demultiplexer Based on GaN Slot Waveguide Structures

Tamir Shoresh; Nadav Katanov; Dror Malka

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{
"publisher": "Zenodo",
"DOI": "10.5281/zenodo.2600837",
"title": "1 \u00d7 4 MMI Visible Light Wavelength Demultiplexer Based on GaN Slot Waveguide Structures",
"issued": {
"date-parts": [
[
2018,
7,
21
]
]
},
"abstract": "<p>Abstract &mdash; High transmission losses are the key problem that limits the performances of visible light communication (VLC) system that work on wavelength division multiplexing (WDM) technology.<br>\nIn order to overcome this problem, we propose a novel design for a 1&times;4 optical demultiplexer based<br>\non the multimode interference (MMI) in slot-waveguide structures that operates at 547 nm, 559 nm,<br>\n566 nm and 584 nm. Gallium-nitride (GaN) and silicon-oxide (SiO2) were found to be excellent<br>\nmaterials for the slot waveguide structures. Simulation results show that the proposed device can<br>\ntransmit 4-channels that work in the visible light range with a low transmission loss of 0.983-1.423 dB, crosstalk of 13.8-18.3 dB and bandwidth of 1.8-3.2 nm. Thus, this device can be very useful in visible<br>\nlight networking system that works on WDM technology.</p>",
"author": [
{
"family": "Tamir Shoresh"
},
{
},
{
"family": "Dror Malka"
}
],
"version": "pre-print",
"type": "article-journal",
"id": "2600837"
}
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