Tunable dual frequency optoelectronic oscillator with low intermodulation based on dual-parallel Mach-Zehnder modulator

被引：28
|
作者：
Xie, Zhengyang [1 ]
Li, Shangyuan [1 ]
Yan, Haozhe [1 ]
Xiao, Xuedi [1 ]
Zheng, Xiaoping [1 ]
Zhou, Bingkun [1 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Tsinghua Natl Lab Informat Sci & Technol, Beijing 100084, Peoples R China
来源：
OPTICS EXPRESS | 2016年 / 24卷 / 26期
基金：
中国国家自然科学基金;
关键词：
LOW-NOISE; SIGNAL; COMB; GENERATOR;
D O I：
10.1364/OE.24.030282
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A tunable dual-frequency optoelectronic oscillator (OEO) based on dual-parallel Mach-Zehnder modulator (DPMZM) with low intermodulation is proposed and experimentally demonstrated. Two tunable electronic band-pass filters are used to select the oscillation modes of the two oscillating frequencies to achieve tunable dual-frequency OEO (TDF-OEO). Each of the two selected modes are modulated onto one sub-modulator of the DPMZM. By choosing proper bias conditions of the DPMZM, the intermodulation components generated by the dual-frequencies are suppressed. The tuning range of the TDF-OEO is from 1 GHz to 15 GHz in the experiment. We also discussed and experimentally demonstrated the tuning limitation of this dual frequency system. (C) 2016 Optical Society of America
引用
收藏
页码：30282 / 30288
页数：7
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