Amplified spontaneous emission from a single organic microfiber fabricated by melt electrospinning

被引：6

作者：

Yu, Xiaolei ^{[1
]}

Feng, Menglei ^{[2
]}

Zhang, Rui ^{[1
]}

Feng, Yajie ^{[1
]}

You, Han ^{[1
]}

Guo, Fawen ^{[1
]}

Chen, Shijian ^{[2
]}

Zhang, Dingke ^{[1
]}

机构：

[1] Chongqing Normal Univ, Sch Phys & Elect Engn, Chongqing 401331, Peoples R China

[2] Chongqing Univ, Sch Phys, Chongqing 401331, Peoples R China

来源：

ORGANIC ELECTRONICS | 2017年 / 51卷

基金：

中国国家自然科学基金;

关键词：

Microfiber; Amplified spontaneous emission; Electrospinning; Gain amplification; LIGHT-EMITTING DIODE; POLYMER NANOFIBERS; MICROCAVITIES; EXCITATION; NANOWIRES; CRYSTALS; GAIN;

D O I：

10.1016/j.orgel.2017.09.043

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study gain amplification processes in a single organic microfiber fabricated by melt electro-spinning method. Smooth, individual and cylindrical fiber is obtained. The gain-induced response of the microfiber is found to depend sensitively on the fiber structure. In the homogeneous single fiber where loop cavity forms, high net optical gain of up to 31.4 cm(-1) results in spectral narrowing at the material gain peaks. In the case of strong optical feedback, which occurs in such a long microfiber, amplified spontaneous emission with a low threshold of 0.08 mW is obtained. The low threshold and high gain attribute also to the cylindrical cavity which supplies positive feedback.

引用

页码：442 / 445

页数：4

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