Improvement of amplified spontaneous emission by encapsulating green fluorescent dye in inverted-opal titania photonic crystals

被引:2
作者
Zhang, Dingke [1 ]
Wang, Yanping [1 ]
Cao, Yanling [2 ]
Ma, Dongge [1 ]
机构
[1] Chinese Acad Sci, Changchun Inst Appl Chem, Grad Sch, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
[2] Jilin Univ, Natl Lab Superhard Mat, Changchun 130022, Peoples R China
关键词
D O I
10.1364/AO.47.001177
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Amplified spontaneous emission (ASE) characteristics of a green fluorescent dye (10-(2-benzothiazolyl)1,1,7,7-tetramethyl-2,3,6,7-tetrahydro-1H,5H,11H-[1] benzo-pyrano [6,7,8-ij]quinolizin-11-one) (C545T) encapsulated in a highly ordered three-dimensional (3D) inverted-opal titania (TiO2) photonic crystal (PC) microcavity were studied. Due to the utilization of a TiO2 PC, the emission spectrum was greatly narrowed and the ASE threshold, gain, and loss were significantly improved. The threshold, gain, and loss reached 1.25 mJ pulse(-1) cm(-2), 34.69 cm(-1), and 16.9 cm(-1), respectively The possible reason for the improvement in the ASE performance by the PC is attributed to the 3D photon localization by the microcavity effect of the PC. (c) 2008 Optical Society of America.
引用
收藏
页码:1177 / 1181
页数:5
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