A novel scheme for high-quality 120 GHz optical millimeter-wave generation without optical filter

被引：35

作者：

Zhu, Zihang ^{[1
]}

Zhao, Shanghong ^{[1
]}

Li, Yongjun ^{[1
]}

Chen, Xiaoping ^{[1
]}

Li, Xuan ^{[1
]}

机构：

[1] Air Force Engn Univ, Informat & Nav Coll, Xian 710077, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2015年 / 65卷

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

Optical millimeter-wave generation; Mach-Zehnder modulator (MZM); Frequency; 12-tupling; OVER-FIBER LINK; FREQUENCY;

D O I：

10.1016/j.optlastec.2014.06.014

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel scheme to generate 120 GHz millimeter (mm)-wave from 10 GHz radio frequency (RF) local oscillator (LO) with an integrated nested Mach-Zehnder modulator (MZM) is proposed and demonstrated. By properly adjusting the modulator dc bias voltages and the LO voltages and phases, a frequency of 12-tupling optical mm-wave with an optical sideband suppression ratio (OSSR) higher than 37 dB can be generated without optical filter. This scheme largely reduces the response frequency of the modulator and the LO frequency. Furthermore, the non-ideal nested MZM parameters are analyzed theoretically, and we find that both the imperfect extinction ratio of the MZM and the phase imbalance between two arms of optical coupler have an influence on the performance of the generated optical mm-wave. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：29 / 35

页数：7

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