Low-threshold conjugated polymer distributed feedback lasers on InP substrate

被引：5
作者：
Zhang Su-Mei [1 ,2 ]
Zhang Ding-Ke [1 ]
Ma Dong-Ge [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, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130021, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 05期
关键词：
D O I：
10.1088/0256-307X/25/5/046
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We demonstrate a low threshold polymer solid state thin-film distributed feedback (DFB) laser on an InP substrate with the DFB structure. The used gain medium is conjugated polymer poly[2-methoxy-5-(2-ethylhexyloxy)-1, 4-phenylenevinylene] (MEH-PPV) doped polystyrene (PS) and formed by drop-coating method. The second order Bragg scattering region on the InP substrate gave rise to strong feedback, thus a lasing emission at 638.9nm with a line width of 1.2nm is realized when pumped by a 532nm frequency-doubled Nd: YAG pulsed laser. The devices show a laser threshold as low as 7 nJ/pulse.
引用
收藏
页码：1690 / 1692
页数：3
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