Frequency-doubled triangular-shaped waveform generation based on spectrum manipulation

被引：25

作者：

Li, Jing ^{[1
]}

Sun, Jian ^{[1
]}

Xu, Weiwei ^{[2
]}

Ning, Tigang ^{[1
]}

Pei, Li ^{[1
]}

Yuan, Jin ^{[1
]}

Li, Yueqin ^{[1
]}

机构：

[1] Beijing Jiaotong Univ, Key Lab All Opt Network & Adv Telecommun Network, Beijing 100044, Peoples R China

[2] China Meteorol Adm, Natl Satellite Meteorol Ctr, Beijing 100081, Peoples R China

来源：

OPTICS LETTERS | 2016年 / 41卷 / 02期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

MACH-ZEHNDER MODULATOR; PHOTONIC GENERATION; OPTOELECTRONIC OSCILLATOR; PULSES; SIGNALS; FIBER;

D O I：

10.1364/OL.41.000199

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this approach, spectrum manipulation is employed in triangular-shaped waveform generation. By aligning the power of five primary modulation sidebands, optical intensity with expression corresponding to the first two-term Fourier expansion of triangular-shaped waveform can be obtained. It is found that the modulation index in this Letter is no longer a fixed one, but should be within a proper range (2-3). Triangular-shaped waveform signals can be generated by using a single-drive Mach-Zehnder modulator, a standard optical interleaver, and a grating. The principle is illustrated by theory, simulation, and experiment. A 20 GHz triangular-shaped waveform signal is experimentally generated by using a 10 GHz sinusoid signal, which agrees well with the theoretical prediction and shows great potential in generating a high-quality intensity profile. (C) 2016 Optical Society of America

引用

页码：199 / 202

页数：4

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