Photonic Generation of Millimeter-Wave Signals With Frequency-Multiplying and Tunable Phase Shift

2018 4th International Conference on Frontiers of Signal Processing (ICFSP) Pub Date : 2018-09-01 DOI:10.1109/ICFSP.2018.8552069

Conghui Zhang, Ruiying He, Xiaoyu Zhang, Yongfeng Wei

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引用次数: 2

Abstract

A novel photonic approach for generating a frequency-septupling or frequency-nonupling millimeter-wave (mm-wave) signal with tunable phase shift is proposed. Two fourth-order sidebands and an optical carrier are generated by using a dual-parallel Mach-Zehnder modulator (DPMZM). An optical bandstop filter (OBSF) is used to filter out optical carrier and a Mach-Zehnder interferometer (MZI) is employed to separate the +4th-order sideband and the −4th-order sideband. Then the −4th-order sideband is modulated by an optical phase modulator (PM), and the phase of the −4th-order sideband can be controlled by changing the dc voltage that drives the PM. The +4th-order sideband is modulated by the second DPMZM, then a +3rd-order sideband or +5th-order sideband is generated by controlling the dc voltage that drives the main-MZM of the second DPMZM. After an optical coupler and a photodiode (PD), a frequency-septupling or frequency-nonupling mm-wave signal with tunable phase shift is gotten. A simulation experiment is performed, and tunable 360-degree phase shift is realized, and the amplitude variation of the generated mm-wave signal is less than 0.2dB.

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具有倍频和可调相移的毫米波信号的光子产生

提出了一种产生相移可调的七倍频或非七倍频毫米波信号的光子方法。采用双并行马赫-曾德尔调制器(DPMZM)产生了两个四阶边带和光载波。采用光带阻滤波器(OBSF)滤除光载波，采用马赫-曾德尔干涉仪(MZI)分离+4阶边带和- 4阶边带。然后用光相位调制器(PM)调制- 4阶边带，通过改变驱动PM的直流电压来控制- 4阶边带的相位。+4阶边带由第二个DPMZM调制，然后通过控制驱动第二个DPMZM的主mzm的直流电压产生+3阶或+5阶边带。通过光耦合器和光电二极管(PD)，可以得到相移可调的七频或非七频毫米波信号。通过仿真实验，实现了360度可调相移，生成的毫米波信号幅度变化小于0.2dB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2018 4th International Conference on Frontiers of Signal Processing (ICFSP)

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