研究目的
Designing an eight-channel wavelength demultiplexer using modified photonic crystal ring resonators for CWDM applications.
研究成果
The designed eight-channel wavelength demultiplexer demonstrates high efficiency, quality factor, and compact size, making it suitable for future photonic integrated circuits. The study highlights the potential of photonic crystal ring resonators in wavelength division multiplexing applications.
研究不足
The study focuses on simulation outcomes without experimental validation. The practical implementation may face challenges in fabricating the precise refractive index variations in defect rods.
1：Experimental Design and Method Selection:
The study employs a finite difference time domain (FDTD) method to simulate the electromagnetic wave propagation inside the photonic crystal structure.
2：Sample Selection and Data Sources:
The design uses eight square-shaped photonic crystal ring resonators with different refractive indices of defect rods.
3：List of Experimental Equipment and Materials:
The simulation utilizes Lumerical Solutions tools for FDTD analysis.
4：Experimental Procedures and Operational Workflow:
The resonance wavelength is tuned by adjusting the refractive index of defect rods and other structural parameters.
5：Data Analysis Methods:
The transmission power, quality factor, channel spacing, crosstalk, and full width at half maximum are analyzed to evaluate the demultiplexer's performance.
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