研究目的
To propose a sub-wavelength plasmonic nanoantenna with high gain operating at the standard optical communication wavelength of 1550 nm and design two kinds of antenna arrays with the proposed plasmonic nanoantenna for optical communication applications.
研究成果
The proposed plasmonic nanoantenna and its arrays demonstrate high gain and wide beam steering range, making them suitable for applications in optical communication, LiDAR, and other fields. Future work includes the development of large-scale OPAs with thousands of optical nanoantennas.
研究不足
The processing of the OPA with multilayer structure is limited by current micro/nanofabrication technology.
1：Experimental Design and Method Selection:
The study involves designing a plasmonic nanoantenna and its arrays, utilizing electromagnetic simulations to investigate radiation characteristics.
2：Sample Selection and Data Sources:
The plasmonic nanoantenna consists of a silver block and a silicon block, with light fed via a silicon waveguide.
3：List of Experimental Equipment and Materials:
Commercial software CST-Microwave Studio is used for simulations. Materials include silicon, silver, and silicon dioxide.
4：Experimental Procedures and Operational Workflow:
Simulations are performed to analyze the radiation characteristics, including far-field radiation pattern, gain, and return loss.
5：Data Analysis Methods:
The results are analyzed to understand the impacts of geometric parameters on radiation characteristics and to optimize the design for high gain and wide beam steering range.
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