Generalized study of microwave frequency multiplication based on two cascaded MZMs

被引：11
|
作者：
Chen, Xiaogang [1 ]
Xia, Lu [1 ]
Huang, Dexiu [2 ]
机构：
[1] China Three Gorges Univ, Coll Sci, Yichang 443002, Peoples R China
[2] Huazhong Univ Sci & Technol, WNLO, Wuhan 430074, Peoples R China
来源：
OPTIK | 2016年 / 127卷 / 08期
关键词：
Microwave photonics; Mach-Zehnder modulators; Extinction ratio; Modulation index optimization; MILLIMETER-WAVE;
D O I：
10.1016/j.ijleo.2016.01.037
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A comprehensive analysis of photonically assisted microwave frequency multiplication based on two cascaded Mach-Zehnder modulators (MZMs) is presented. The expressions, including all harmonics, are entirely general in terms of the extinction ratio (EXT) of MZM. A theoretical derivation that induces operating conditions is developed to achieve frequency quadrupling, sextupling, and octupling. The impact of an imperfect EXT of MZM on optical sideband suppression ratio and RF spurious suppression ratio is investigated. The improvement of system performance through MZM modulation index optimization is also analyzed. Simulation verifications are provided for the microwave frequency multiplication schemes. (C) 2016 Elsevier GmbH. All rights reserved.
引用
收藏
页码：4061 / 4067
页数：7
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