Cascaded PCF tapers for flat broadband supercontinuum generation

被引：8
|
作者：
Chen, Haihuan [1 ]
Chen, Zilun [1 ]
Zhou, Xuanfeng [1 ]
Hou, Jing [1 ]
机构：
[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2012年 / 10卷 / 12期
基金：
中国国家自然科学基金; 对外科技合作项目（国际科技项目）;
关键词：
FIBERS;
D O I：
10.3788/COL201210.120603
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the fabrication of cascaded photonic crystal fiber (PCF) tapers in monolithic design. Flat broadband supercontinuum (SC) generation in cascaded PCF tapers pumped by sub-nanosecond pulses from a 1064-nm microchip laser is demonstrated. The spectral width (20 dB) extends from 0.47 to 1.67 mu m. In the optimal configuration, an ultraflat (3 dB) spectrum from 500 to 1 000 nm is achieved.
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页数：3
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