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基于注入锁定和时域综合的倍频三角波产生技术

Frequency Doubled Triangular Waveform Generation Based on Injection Locking and Time-Domain Synthesis

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摘要

提出并验证了一种利用载波抑制调制和半导体激光器注入锁定相结合的倍频三角波产生方案。方案中激光器发出的连续光经正弦信号驱动的马赫-曾德尔调制器进行抑制载波调制后分为两路, 一路保持不变, 另一路注入分布反馈激光器锁定放大调制光的高阶谐波分量, 获得六倍频信号。两路信号经相位和功率比控制, 合路后在光电探测器中叠加产生二倍频的三角波信号。实验利用频率为3 GHz和4 GHz的正弦调制信号产生了6 GHz和8 GHz的二倍频全占空三角波信号。理论分析和实验结果均证明了此方案的可行性, 避免了复杂的谱线操作, 所提方案更加简单高效, 在高重复频率三角波产生方面有显著优势。

Abstract

A new approach to generate frequency doubled triangular waveform signals is proposed and verified through the combination of carrier suppression modulation and semiconductor laser injection locking. In the scheme, the continuous wave emitted by the external cavity tunable laser is modulated by a sinusoidal signal through Mach-Zehnder modulator to suppress the optical carrier. The modulated signal is divided into two branches. One signal remains unchanged and the other is launched into a distributed feedback laser to select and amplify higher-order harmonic components for six-fold signal generation. After controlling the relative phase and power ratio of the two signals, we achieve frequency doubled triangular waveform by overlapping the signals in the photodetector. In the experiment, sinusoidal modulation signals at the frequencies of 3 GHz and 4 GHz are applied to generate full duty frequency doubled triangular waveform with a frequencies of 6 GHz and 8 GHz successfully. Both theoretical analysis and experimental results prove that the scheme is feasible. It is a simpler and more efficient way to avoid the complex spectral line operation. Moreover, it has a distinct advantage in high-frequency triangular waveform generation.

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中图分类号:O436

DOI:10.3788/CJL201845.0101005

所属栏目:激光器件与激光物理

基金项目:国家自然科学基金(61465002)、贵州省高层次创新型人才项目([2015]4010)、贵州省普通高等学校创新人才团队项目([2014]32)、贵州省科技创新人才团队项目([2015]4017)

收稿日期:2017-07-18

修改稿日期:2017-09-08

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作者单位    点击查看

何禹彤:贵州大学物理学院, 贵州 贵阳 550025
江阳:贵州大学物理学院, 贵州 贵阳 550025
訾月姣:贵州大学物理学院, 贵州 贵阳 550025
吴廷伟:贵州大学物理学院, 贵州 贵阳 550025
黄凤勤:贵州大学物理学院, 贵州 贵阳 550025
夏艺:贵州大学物理学院, 贵州 贵阳 550025
张晓玉:贵州大学物理学院, 贵州 贵阳 550025

联系人作者:何禹彤(yutong-he@outlook.com)

备注:何禹彤(1991-), 男, 硕士研究生, 主要从事半导体激光器注入锁定和微波光子技术等方面的研究。

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引用该论文

He Yutong,Jiang Yang,Zi Yuejiao,Wu Tingwei,Huang Fengqin,Xia Yi,Zhang Xiaoyu. Frequency Doubled Triangular Waveform Generation Based on Injection Locking and Time-Domain Synthesis[J]. Chinese Journal of Lasers, 2018, 45(1): 0101005

何禹彤,江阳,訾月姣,吴廷伟,黄凤勤,夏艺,张晓玉. 基于注入锁定和时域综合的倍频三角波产生技术[J]. 中国激光, 2018, 45(1): 0101005

被引情况

【1】赵彪,杜鹏飞,沃江海,丛雯珊,张钧凯,余岚. 基于啁啾光纤布拉格光栅的可调谐双通带微波光子滤波器. 激光与光电子学进展, 2019, 56(3): 30605--1

【2】王帅帅,王菊,马闯,李天宇,谢田元,于洋,于晋龙. 基于直调激光器注入锁定的倍频信号产生. 激光与光电子学进展, 2019, 56(4): 40601--1

【3】彭海涛,王菊,马闯,谢田元,于洋,方杰,刘莉,于晋龙. 基于注入锁定增强高次谐波的任意波形产生. 光学学报, 2020, 40(4): 419001--1

【4】孙亚园,白光富,胡林. 双平行马赫-曾德尔调制器产生三角形光子微波及相似度影响因素. 激光与光电子学进展, 2019, 56(11): 110602--1

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