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1xN plasmonic power splitters based on metal-insulator-metal waveguides
Chyong-Hua Chen1, Kao-Sung Liao
1Department of Photonics & Institute of Electro-Optical Engineering, National Chiao Tung University, 1001 Ta Hsueh Road, Hsinchu 30010, Taiwan. chyong@mail.nctu.edu.tw
Optics Express
|March 14, 2013
Summary
Researchers developed novel plasmonic power splitters using a rectangular ring resonator. This new design approach significantly reduces simulation time for creating efficient optical splitters.
Area of Science:
- Plasmonics
- Nanophotonics
- Optical devices
Background:
- Plasmonic devices offer miniaturization potential for optical circuits.
- Efficient power splitting is crucial for integrated photonic applications.
- Existing designs often require extensive computational resources for optimization.
Purpose of the Study:
- To present novel plasmonic power splitters based on a rectangular ring resonator.
- To develop an analytical model for efficient design parameter extraction.
- To reduce computational time in designing plasmonic waveguide structures.
Main Methods:
- Numerical investigation of plasmonic power splitters.
- Development of an equivalent lumped circuit model for plasmonic waveguides.
- Systematic approach for determining output waveguide positions.
Main Results:
- Demonstration of 1 × 3, 1 × 4, and 1 × 5 equal-power splitters.
- Significant reduction in simulation time for device design.
- Validation of the analytical model for plasmonic waveguide transmission lines.
Conclusions:
- The proposed analytical model provides an efficient method for designing plasmonic power splitters.
- The rectangular ring resonator design is scalable to various numbers of output ports.
- This approach accelerates the development of compact and efficient plasmonic devices.
