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S-bend SOI waveguide is known as the most critical part for SOI device design. Normalized output power for the different parameter of the S-bend waveguide has been analyzed using OptiBPM simulator in 1.55μm communication wavelength. Dimension of 5×5μm2 single-mode rib waveguide is chosen. The variable parameters are transition offset and lateral offset, given the waveguide length of 100μm–5000μm....
Wavelength-selective ratio splitter is combination of wavelength and power coupler which can be made by parallel waveguide. Two different silicon-on-insulator (SOI) rib waveguide dimension known as symmetrical and asymmetrical can be used to realize this coupler. However, the shorter coupling length is important to ensure it relevant to integrated circuit. Coupling length for desire ratio can be finding...
In this paper, the optical directional coupler based on symmetrical silicon-on-insulator (SOI) rib waveguide is successfully simulated and analysed using Beam Propagation Method with the communication wavelength of 1.55 m. The geometry structure is 6 μm rib height (H) while rib width (W), slab height (h) and rib depth (d) are varied accordingly. The ratio of slab height to rib height (r) is fixed...
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