The field of visible light communications (VLC) has gained significant interest over the last
decade, in both fibre and free-space embodiments. In fibre systems, the availability of low …

In this work, we propose an underwater wireless optical communication (UWOC) system
using an arrayed transmitter/receiver and optical superimposition-based pulse amplitude …

Visible light communication (VLC) technology employing light-emitting diodes (LEDs) as
light sources has the advantages of using the license-free spectrum, being power and cost …

We report record 10 Gb/s bi-directional data transmission over a single 10 m SI-POF, by
employing blue microlight-emitting diodes (μLEDs) at a single wavelength, APD receivers …

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 …

White light emitting diodes (LEDs) are becoming the primary source of illumination for the
home and office environment. These LEDs can be intensity modulated to transmit high …

A pulse amplitude modulation with 4 levels (PAM-4), generated by optical superimposition,
is first proposed and experimentally demonstrated for visible light communication (VLC). It …

This thesis focuses on the development, measurement and application of novel micrometre-
sized light emitting diodes (micro-LEDs) based on Gallium Nitride (GaN) for visible light …