Self-starting generation of tri-band frequencies using a dual-parallel Mach–Zehnder modulator-based optoelectronic oscillator

IF 2.3 4区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Quanjing Zhao, Juanjuan Yan
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Abstract

A scheme for multi-band frequency generation is proposed and experimentally demonstrated using a dual-parallel Mach–Zehnder modulator (DPMZM)-based optoelectronic oscillator (OEO). The principle of this generator is theoretically described in detail. It is found that multiple frequencies with a small power variation can be produced by setting the three working points and the modulation depth of the DPMZM. In the proving experiment, an 8-GHz fundamental oscillation with a side mode suppression ratio of 44 dB is generated. The phase noise is measured to be −96.8 dBc/Hz @ 10 KHz offset with a 100-m and 1-Km optical fibre used in the two oscillation loops. When the oscillating signal is applied to drive the two sub-modulators in the DPMZM, doubled and tripled frequencies are produced at the same time, and the phase noises of the two frequencies are also measured to be −90.2 dBc/Hz and −85.9 dBc/Hz @10 KHz, respectively.

Abstract Image

使用双并联马赫-曾德尔调制器的光电振荡器自启动三频带频率的产生
提出了一种基于双并联马赫-曾德尔调制器(DPMZM)的光电振荡器(OEO)的多频带频率产生方案,并进行了实验验证。从理论上详细阐述了该发生器的工作原理。研究发现,通过设置DPMZM的三个工作点和调制深度,可以产生功率变化较小的多个频率。在验证实验中,产生了一个8 ghz的基频振荡,其侧模抑制比为44 dB。相位噪声测量为- 96.8 dBc/Hz @ 10 KHz偏移,在两个振荡回路中使用100 m和1 km光纤。当振荡信号驱动DPMZM中的两个子调制器时,同时产生两倍和三倍频率,并且两个频率的相位噪声分别为- 90.2 dBc/Hz和- 85.9 dBc/Hz @10 KHz。
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来源期刊
Iet Optoelectronics
Iet Optoelectronics 工程技术-电信学
CiteScore
4.50
自引率
0.00%
发文量
26
审稿时长
6 months
期刊介绍: IET Optoelectronics publishes state of the art research papers in the field of optoelectronics and photonics. The topics that are covered by the journal include optical and optoelectronic materials, nanophotonics, metamaterials and photonic crystals, light sources (e.g. LEDs, lasers and devices for lighting), optical modulation and multiplexing, optical fibres, cables and connectors, optical amplifiers, photodetectors and optical receivers, photonic integrated circuits, photonic systems, optical signal processing and holography and displays. Most of the papers published describe original research from universities and industrial and government laboratories. However correspondence suggesting review papers and tutorials is welcomed, as are suggestions for special issues. IET Optoelectronics covers but is not limited to the following topics: Optical and optoelectronic materials Light sources, including LEDs, lasers and devices for lighting Optical modulation and multiplexing Optical fibres, cables and connectors Optical amplifiers Photodetectors and optical receivers Photonic integrated circuits Nanophotonics and photonic crystals Optical signal processing Holography Displays
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