An Optically Pumped Colloidal Quantum Dot Laser Using a Hollow Fiber

被引：2
|
作者：
Park, Soo-Min [1 ]
Yi, Jonghoon [2 ]
Ju, Young-Gu [3 ]
机构：
[1] Kyungpook Natl Univ, Dept Phys, Daegu 702701, South Korea
[2] Yeungnam Univ, Dept Phys, Kyungsan 712749, South Korea
[3] Kyungpook Natl Univ, Dept Phys Educ, Daegu 702701, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2016年 / 16卷 / 10期
基金：
新加坡国家研究基金会;
关键词：
Colloidal Quantum Dot; Nano-Crystal; Laser; Hollow Fiber; Capillary Tube; MICROCAVITY; GAIN;
D O I：
10.1166/jnn.2016.13277
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We fabricated a colloidal quantum dot (CQD) cavity by packing CQDs into a hollow fiber and attempted optical pumping with an Nd:YAG pulse laser. CQDs loaded into a hollow fiber forms a Fabry-Perot cavity along the fiber axis. Photoluminescence (PL) measurement showed that the emission peak was at 647 nm and the linewidth was 60 nm. When the CQD cavity was optically pumped by an Nd: YAG pulse laser, the linewidth shrunk to 5 nm with an emission peak at 649 nm. The laser output power was proportional to the input pump power, and the threshold pump irradiance was less than 500 kW/cm(2).
引用
收藏
页码：10998 / 11000
页数：3
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