Abstract
The advance progress of the visible light networking systems requires powerful and new devices that enable high data rate light transmission with low losses. Therefore, we introduce a new design for a 1×8 green light intensity splitter based on the multimode interference coupler (MMI) in a gallium-nitride (GaN) - silicon-oxide (SiO2) slot waveguide structure. Simulation results show that after a propagation length of 16.55μm the power of the green light signal (536 nm) is split into eight output beams with equal power and low transmission losses of 0.11dB. In addition, the splitter operates in the visible light spectrum from 460-670nm. Therefore, this device can increase performance in network communication systems that work in the visible light range.
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