Anisotropic Hybrid Plasmonic Waveguide

• Main Authors: Yu-Cheng Lo, 羅友成
• Other Authors: 黃家健
• Format: Others
• Language: zh-TW
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/55788802042059683324

碩士 === 中興大學 === 物理學系所 === 103 === Recently, anisotropic materials have been popular in designing and manufacturing of photonic integrated circuits. We adopted the anisotropic materials, to design polarizer beam splitters because of the flexibility and controllability of materials. In the thesis, we employed 4-Cyano-4''-pentylbiphenyl (5CB liquid crystal) to design an anisotropic hybrid plasmonic wavguide, which simplifies the configuration of polarizer beam splitter, and a straight waveguide structure, increases the simplicity and device density of photonic integrated circuit. In addition, the proposed hybrid plasmonic waveguide effectively shrinks the mode area, and increases propagation length. With controlling the structure parameters and external electric field, the performances of the proposed design can be flexibly adjusted. After optimizing the parameters of mode characteristics, we design polarization beam splitter with high extinction ratio of about 20 dB and insertion loss of 2.19 dB.