研究目的
Investigating the performance of an all-optical photonic crystal-based switch containing a graphene resonant ring for optical integrated circuits.
研究成果
The proposed graphene-based all-optical switch demonstrates correct switching operation, compactness, ultra-fast response, and a high contrast ratio, making it suitable for optical integrated circuits. The structure's size, threshold intensity for switching, and contrast ratio are advantages over previous works.
研究不足
The study focuses on simulation results, and practical fabrication challenges are not addressed. The compatibility with conventional technologies and the selection of materials may restrict the practical application.
1：Experimental Design and Method Selection:
The study employs a photonic crystal-based structure with a graphene resonant ring for switching operation. The design includes 15 × 15 silicon rods for a fundamental lattice and a resonant ring with 9 thick silicon rods and 24 graphene-SiO2 rods. The finite difference time domain (FDTD) method was used for simulation.
2：Sample Selection and Data Sources:
The structure is simulated with specific parameters including a lattice constant of 558 nm, refractive index of rods at 3.46, and radii of rods at 0.2a and 0.41a for different parts of the structure.
3：46, and radii of rods at 2a and 41a for different parts of the structure.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: The materials include silicon rods, graphene-SiO2 rods, and SiO2 disks. The equipment involves simulation tools based on the FDTD method.
4：Experimental Procedures and Operational Workflow:
The simulation involves applying an optical pulse to the input port and calculating the pulse response at output ports to evaluate the switching operation.
5：Data Analysis Methods:
The transmission ratio for different input intensities is simulated to evaluate the resonance phenomenon and switching operation.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
