High Q defect mode and laser action in one-dimensional hybrid photonic crystal containing cholesteric liquid crystal

被引：36

作者：

Matsuhisa, Yuko

Ozaki, Ryotaro

Yoshino, Katsumi

Ozaki, Masanori

机构：

[1] Osaka Univ, Grad Sch Engn, Dept Elect Elect & Informat Engn, Suita, Osaka 5650871, Japan

[2] Shimane Univ, Ctr Univ Ind Cooperat, Matsue, Shimane 6900816, Japan

[3] Osaka Univ, Innovat Ctr Adv Sci, Suita, Osaka 5650871, Japan

来源：

APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 10期

关键词：

D O I：

10.1063/1.2347114

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors have investigated the optical characteristics of a one-dimensional hybrid photonic crystal (1D HPC) containing cholesteric liquid crystal (CLC) as a defect by theoretical calculation and predicted the appearance of additional modes at the band edges of the CLC defect, whose Q factor was higher than those of the other defect modes. They have confirmed the appearance of the additional mode experimentally. Single-mode laser action with low pumping threshold was observed in a 1D HPC with a dye-doped CLC defect, which is based on the additional defect mode with a high Q factor peculiar to the CLC defect having periodic structure. (c) 2006 American Institute of Physics.

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