Flat optical frequency comb generation by using one DPMZM and superposed harmonics

被引：4
|
作者：
Cui, Yaohu [1 ]
Wang, Zixiong [2 ]
Zuo, Xunhe [2 ]
Xu, Yitong [2 ]
Jiang, Yang [3 ]
Yu, Jinlong [2 ]
Huang, Zhanhua [1 ]
机构：
[1] Tianjin Univ, Sch Precis Instrument & Opto Elect Engn, Tianjin 300072, Peoples R China
[2] Tianjin Univ, Sch Elect & Informat Engn, Tianjin 300072, Peoples R China
[3] Guizhou Univ, Coll Phys, Guiyang 550025, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2023年 / 531卷
基金：
中国国家自然科学基金;
关键词：
Optical frequency comb; DPMZM; Superposed harmonics; DIFFERENTIAL EVOLUTION; MODULATION; INTENSITY; SYSTEMS; DRIVEN;
D O I：
10.1016/j.optcom.2022.129223
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, we propose a novel approach to the generation of flat optical frequency comb (OFC) by using dual-parallel Mach-Zehnder modulator (DPMZM) and superposed harmonics, where the superposed harmonics drive only one child Mach-Zehnder modulator of DPMZM. By adjusting precisely the modulation indices and phases of harmonics as well as the biases for DPMZM, flat OFCs are generated. In the experiment, a 9-line OFC with 0.26-dB flatness is achieved when the superposed fundamental tone and third harmonic drive the DPMZM; a 13-line OFC with 0.58-dB flatness is achieved when the fundamental tone, second harmonic, and third harmonic drive the DPMZM simultaneously.
引用
收藏
页数：6
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