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基于级联调制器的24倍频毫米波信号产生 被引量:3

24 Frequency Multiplication Millimeter-wave Signal Generation Based on Cascade Modulators
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摘要 为了有效解决高频毫米波信号源产生困难的问题,提出了一种基于级联强度调制器的24倍频可调毫米波信号产生系统。将低频本振信号调制到第一级双平行马赫-曾德尔强度调制器上,分别控制主调制器和子调制器的偏置电压,使其均偏置在最大传输点上,精确控制低频本振信号的幅值和相位,可以对应产生的-4阶和+4阶边带信号,通过光电检测器拍频,得到的8倍频信号调制到第二级马赫-曾德尔调制器上,控制第二级调制器的偏置电压,使其工作在最小传输点上,可以产生-12阶和+12阶边带信号,经过光电转换后可以得到射频驱动信号频率24倍的毫米波信号,当本振信号频率发生改变时,得到的毫米波信号频率对应改变。 In order to effectively solve the problem of high-frequency millimeter-wave source generation, a 24 frequency multiplication tunable millimeter-wave signal generation system based on cascade intensity modulators was introduced. The low-frequency local source was modulated by the first dual parallel Mach-Zehnder modulator (DPMZM), by adjusting the bias voltage of Mach-Zehnder modulator, so that to make its bias be at the maximum transmission point, the - 4 order and +4 order side band was sent into the photoelectric detector, the 8nd frequency signal modulation was modulated by second single Mach-Zehnder modulator, and its bias voltage was at the minimum transmission point, thus the scheme can generate -12 and +12 band signal, 24 frequency multiplication signal was generated after photovoltaic conversion. The generated millimeter-wave is tunable with different frequency local sources.
作者 彭继慎 温禄淳 PENG Jishen, WEN Luchun (Liaoning Technical University, Faculty of Electrical and Control Engineering, Huludao Liaoning 125105, CHN)
出处 《半导体光电》 CAS 北大核心 2016年第5期758-762,共5页 Semiconductor Optoelectronics
基金 辽宁省创新团队项目(LT2010047).
关键词 马赫-曾德尔调制器 双平行马赫-曾德尔调制器 倍频 毫米波 Mach-Zehnder modulator dual parallel Mach-Zehnder modulator frequency multiplication millimeter-wave
作者简介 彭继慎(1969-),男,辽宁阜新人,博士,教授,博士生导师,主要从事光通信网相关技术研究。E-mail:pengjishen1969@sina.com
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参考文献18

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