A novel radio-over-fiber system with dual millimeter-wave signals generated simultaneously

A novel radio-over-fiber system with dual millimeter-wave signals generated simultaneously
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一种同时生成双毫米波信号的新型光纤无线电系统

DOI:
10.1016/j.ijleo.2016.04.068
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发表时间:
2016-08
期刊:
影响因子:
3.1
通讯作者:
Shen, Gangxiang
Shen, Gangxiang
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Qian, Jiaqin;Zou, Yao;Xiang, Lian;Shen, Gangxiang

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提出了一种新颖的V波段和W波段毫米波信号光纤无线传输系统。我们开始我们的模拟,首先利用20 GHz的本地振荡器(LO),以驱动双并行马赫-曾德尔调制器(DP-MZM),并产生两个四倍频间隔相干光载波。然后采用双驱动马赫-曾德尔调制器(DD-MZM)加载信号数据,实现光单边带(OSSB)调制。在这些传输信号之后,我们添加了用于信号传输的50 km单模光纤(SMF)和用于信号自外差检测的光子检测器(PD)。由于OSSB信号的色散(CD)效应得到缓解,即使在SFM线轴传输超过50 km后,也可以观察到眼图中的眼图张开。所产生的V波段60 GHz和W波段100 GHz毫米波在10− 9误码率(BER)下的功率损失分别为1.7 dB和2.5 dB。
A novel radio-over-fiber (RoF) system with V-band and W-band millimeter-wave (MMW) signals is proposed. We begin our simulation by first utilizing a 20 GHz local oscillator (LO) to drive a dual-parallel Mach-Zehnder modulator (DP-MZM) and generate two quadruple-frequency-interval coherent optical carriers. And then we use a dual-drive Mach-Zehnder modulator (DD-MZM) to load signal data and realize an optical single side-band (OSSB) modulation. Following these transmitted signals, we add a 50 km single-mode fiber (SMF) for signal transmission and a photonics detector (PD) for signal self-heterodyning detection. Thanking to the mitigated chromatic dispersion (CD) effect of OSSB signals, the eye opening in the eye diagram is observed even after the transmission over 50 km of the SFM spool. The power penalties of the generated V-band 60 GHz and the W-band 100 GHz MMWs at a 10−9bit-error-rate (BER) are 1.7 dB and 2.5 dB, respectively.
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