研究目的
Investigating the design and performance of a multiport T-shaped 1x8 balanced optical power splitter based on asymmetric vertical silicon slot waveguides using coupled-mode theory.
研究成果
The proposed T-shaped 1x8 balanced optical power splitter design based on asymmetric vertical slot waveguides offers a unique scheme for strong field confinement and reduced bending losses. The design allows for balanced power distribution across multiple ports, with potential for further optimization and application in integrated photonic systems.
研究不足
The design is polarization-dependent, requiring quasi-TE polarization for guided mode. The fabrication process may introduce errors affecting the power distribution.
1：Experimental Design and Method Selection:
The design is based on asymmetric vertical silicon slot waveguides and utilizes the finite element method (FEM) for simulation. Scattering boundary conditions are applied to estimate an open geometry.
2：Sample Selection and Data Sources:
The design is optimized at 1550 nm telecommunication wavelength with refractive index values of Silicon (nSi=3.47) and sapphire (nSiO2=1.44).
3：47) and sapphire (nSiO2=44).
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Silicon and sapphire materials are used in the simulation.
4：Experimental Procedures and Operational Workflow:
The geometric parameters of the waveguide are optimized for maximum confinement. The interaction length and gap between waveguides are varied to achieve balanced power distribution.
5：Data Analysis Methods:
The performance is analyzed based on power distribution and bending losses.
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