Linewidth narrowing in microstrip resonator using effective highly dispersive medium

Yun Hui Li, Hai Tao Jiang, Li He, Hong Qiang Li, Ye Wen Zhang, Hong Chen*, Shi Yao ZHU

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

1 Citation (Scopus)


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.

Original languageEnglish
Article number035
Pages (from-to)975-978
Number of pages4
JournalChinese Physics Letters
Issue number4
Publication statusPublished - 1 Apr 2007

Scopus Subject Areas

  • Physics and Astronomy(all)


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