Reconfigurable photonic ultrawideband pulse generation from an optically injected semiconductor laser

被引：4
|
作者：
Fu, Xuelei [1 ]
Dai, Yongheng
Shu, Chester
机构：
[1] Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China
来源：
OPTICS LETTERS | 2013年 / 38卷 / 06期
关键词：
RELAXATION OSCILLATIONS; MODULATOR; LOCKING; SIGNAL;
D O I：
10.1364/OL.38.000968
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate reconfigurable photonic ultrawideband (UWB) pulse generation by injecting a phase-modulated optical wave into a semiconductor laser. By adjusting the injection power level and phase modulation depth, the photonic UWB generator is capable of generating either a single-optical-carrier monocycle or power-efficient UWB pulses. A UWB pulse with spectral power efficiency (SPE) of 36.10% has been achieved by optimizing the injection parameters. Transmission in an 8.4 km single mode fiber results in a degradation of SPE to 27.55% without significant pulse distortion. (C) 2013 Optical Society of America
引用
收藏
页码：968 / 970
页数：3
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