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马赫-曾德尔调制器有限消光比对光生毫米波的影响 被引量：4

Influence of Finite Extinction Ratio of MZM on Optically Generated Millimeter-wave
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摘要 光生毫米波在光纤无线电,毫米波成像,射电天文学等领域都有广泛的应用前景。本文对基于单极型马赫-曾德尔调制器(MZM)采用双边带光载波抑制调制的光生毫米波方法进行了理论分析。详细分析了马赫-曾德尔调制器的有限消光比对产生的毫米波的影响。建立了基于单极型马赫-曾德尔调制器采用双边带调制光载波抑制的光生毫米波的实验平台。输入驱动信号频率在23到30GHz之间调节时,获得46到60GHz之间连续可调的毫米波信号,其功率抖动小于1.5dB。 Optical generation of millimeter-wave （mm-wave） is very attractive for the applications such as radio-over-fiber for wireless communications, imaging, and radio astronomy observations. The optical generation of mm-wave signal employing Double-sideband with Carrier Suppression （DSBCS） modulation using a single-electrode Mach-Zehnder Modulator （MZM） is theoretically analyzed. The impact of the finite Extinction Ratio （ER） of MZM on the generated mm-wave signal is discussed. An experimental setup using a single-electrode MZM based on DSBCS modulation is built. A stable millimeter-wave signal tunable from 46 to 60 GHz with less than 1.5 dB power variation is obtained by tuning the electrical driving signal from 23 to 30 GHz.
作者 应祥岳 徐铁峰 刘太君 聂秋华
机构地区 宁波大学信息科学与工程学院
出处 《光电工程》 CAS CSCD 北大核心 2012年第2期26-30,共5页 Opto-Electronic Engineering
基金 国家自然科学基金(60972064)
关键词 光生毫米波 马赫-曾德尔调制器 双边带载波抑制调制 微波光子学 光纤无线电 optical generation of millimeter-wave Mach-Zehnder modulator double-sideband with carrier suppression modulation microwave photonics radio-over-fiber （RoF）
分类号 TN929.11 [电子电信—通信与信息系统]
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参考文献12

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同被引文献29

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二级引证文献21

光电工程
2012年 第2期

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