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基于半导体激光器注入锁定的全光时钟提取

All-Optical Clock Extraction Based on Injection-Locked Semiconductor Laser

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摘要

提出并分析验证了一种基于半导体激光器注入锁定实现的全光时钟提取方案。方案中,借助半导体激光器的注入锁定过程,可以将光归零(RZ)码信号中的载波和一个时钟分量依次锁定两个半导体激光器获得光场的锁相输出,通过输出分量的叠加,得到所需的同步时钟信号。实验中,采用两个分布反馈(DFB)型半导体激光器,成功地获得了10 Gb/s光RZ码信号的时钟信号。这一方案在注入功率的动态范围、可调谐性、信号波长稳定性要求等方面都表现出了很好的灵活性,并具有可集成潜力,是一种实用性很强的新方法。

Abstract

A scheme of all-optical clock extraction based on injection locked semiconductor laser is proposed and demonstrated. In the scheme, optical carrier and one clock component of return-to-zero (RZ) signal lock two semiconductor lasers to obtain the phase locked optical outputs. When these two components are coupled together, the recovery clock signal is achieved. Two distributed feedback (DFB) lasers are used to extract the clock signal of a 10 Gb/s RZ signal experimentally. This scheme is very flexible in dynamic range of injected power, tunability and stability requirements of signal wavelength. This novel technique also has potential in integration and practicability.

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中图分类号:TN913.7

DOI:10.3788/aos201535.0306001

所属栏目:光纤光学与光通信

基金项目:国家自然科学基金(61061004,61465002)、教育部新世纪优秀人才支持计划(NCET-10-0099)

收稿日期:2014-09-22

修改稿日期:2014-11-06

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作者单位    点击查看

马闯:贵州大学理学院物理系, 贵州 贵阳 550025
江阳:贵州大学理学院物理系, 贵州 贵阳 550025
贾石:天津大学电子信息工程学院光纤通信实验室, 天津 300072
白光富:贵州大学理学院物理系, 贵州 贵阳 550025
胡林:贵州大学理学院物理系, 贵州 贵阳 550025
单媛媛:贵州大学理学院物理系, 贵州 贵阳 550025
梁建惠:贵州大学理学院物理系, 贵州 贵阳 550025
李红霞:贵州大学理学院物理系, 贵州 贵阳 550025
于晋龙:天津大学电子信息工程学院光纤通信实验室, 天津 300072

联系人作者:马闯(ma782494714@163.com)

备注:马闯(1990—),男,硕士研究生,主要从事高速光纤通信系统和微波光子技术方面的研究。

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引用该论文

Ma Chuang,Jiang Yang,Jia Shi,Bai Guangfu,Hu Lin,Shan Yuanyan,Liang Jianhui,Li Hongxia,Yu Jinlong. All-Optical Clock Extraction Based on Injection-Locked Semiconductor Laser[J]. Acta Optica Sinica, 2015, 35(3): 0306001

马闯,江阳,贾石,白光富,胡林,单媛媛,梁建惠,李红霞,于晋龙. 基于半导体激光器注入锁定的全光时钟提取[J]. 光学学报, 2015, 35(3): 0306001

被引情况

【1】殷宇,余震虹. 啁啾光栅对基于F-P腔全光时钟恢复性能的优化. 激光与光电子学进展, 2016, 53(11): 110602--1

【2】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. 中国激光, 2018, 45(1): 101005--1

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