Linewidth Narrowing in Microstrip Resonator Using Effective Highly Dispersive Medium
LI Yun-Hui1, JIANG Hai-Tao 1,2, HE Li 1, LI Hong-Qiang 1, ZHANG Ye-Wen 1, CHEN Hong 1, ZHU Shi-Yao 3
1Pohl Institute of Solid State Physics, Tongji University, Shanghai 2000922State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 2000503Department of Physics, Hong Kong Baptist University, Kowloon Tong, Hong Kong
Linewidth Narrowing in Microstrip Resonator Using Effective Highly Dispersive Medium
LI Yun-Hui1;JIANG Hai-Tao 1,2;HE Li 1; LI Hong-Qiang 1;ZHANG Ye-Wen 1;CHEN Hong 1;ZHU Shi-Yao 3
1Pohl Institute of Solid State Physics, Tongji University, Shanghai 2000922State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 2000503Department of Physics, Hong Kong Baptist University, Kowloon Tong, Hong Kong
摘要An effective highly dispersive medium is proposed by utilizing strong dispersion of localized defect mode in a microstrip photonic crystal. Linewidth narrowing in a composite microstrip resonator using this photonic-crystal-based effective medium is investigated and its dependence on the structure parameters is presented. Both numerical simulations and experimental results demonstrate that compared to the traditional resonator, the Q-factor increases much more quickly and the peak transmission decreases more slowly at the same time for the composite resonator.
Abstract：An effective highly dispersive medium is proposed by utilizing strong dispersion of localized defect mode in a microstrip photonic crystal. Linewidth narrowing in a composite microstrip resonator using this photonic-crystal-based effective medium is investigated and its dependence on the structure parameters is presented. Both numerical simulations and experimental results demonstrate that compared to the traditional resonator, the Q-factor increases much more quickly and the peak transmission decreases more slowly at the same time for the composite resonator.
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2007, Vol. 24 
