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

页数：6

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