All-optical UWB pulse generation using sum-frequency generation in a PPLN waveguide

被引：21
|
作者：
Wang, Jian [1 ]
Sun, Qizhen [1 ]
Sun, Junqiang [1 ]
Zhang, Weiwei [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Coll Optoelect Sci & Engn, Wuhan 430074, Peoples R China
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 05期
基金：
中国国家自然科学基金;
关键词：
BROAD-BAND SBS; DELAY-LINE; FIBER; CONVERSION; MODULATION; SIMULATION; MONOCYCLE; PROPOSAL; SIGNALS; NRZ;
D O I：
10.1364/OE.17.003521
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose and demonstrate a novel approach to optically generate ultrawideband (UWB) monocycle pulses by exploiting the parametric attenuation effect of sum-frequency generation (SFG) in a periodically poled lithium niobate (PPLN) waveguide. The SFG process changes the continuous-wave pump into dark optical pulse pump with undershoot, resulting in the generation of UWB monocycle through the combination of input signal and output pump with proper relative time advance/delay. Pairs of polarity-inverted UWB monocycle pulses meeting the UWB definition of U. S. Federal Communications Commission (FCC, part 15) are successfully obtained in the experiment. (C) 2009 Optical Society of America
引用
收藏
页码：3521 / 3530
页数：10
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