A Continuously Tunable and Filter-Less QPSK Modulated Millimeter-Wave Signal Generation with Frequency Quadrupling Just Based on an MZM

被引：0

作者：

Hu, Haifeng ^{[1
]}

Liu, Baoju ^{[1
]}

Wang, Dongfei ^{[2
]}

机构：

[1] Pingdingshan Univ, Sch Informat Engn, Pingdingshan 467000, Peoples R China

[2] Beijing Inst Graph Commun, Sch Informat Engn, Beijing 102600, Peoples R China

来源：

PHOTONICS | 2022年 / 9卷 / 07期

关键词：

millimeter-wave signal generation; frequency quadrupling; Mach-Zehnder modulator (MZM); radio over fiber; PHOTONIC GENERATION;

D O I：

10.3390/photonics9070474

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we propose a new frequency quadrupling scheme to generate a quadrature phase shift keying (QPSK) modulated vector millimeter-wave signal, in which an optical filter is not necessary. To eliminate constellation overlapping of the generated vector millimeter-wave signal caused by phase multiplication in the process of frequency multiplication, a precoding assisted technique is adopted. The principle and feasibility of the proposed scheme is deduced by a detailed mathematical formula. Simulations are carried out to generate 40 GHz QPSK modulated vector millimeter-wave signals using a 10 GHz radio frequency source and the BER performance is analyzed in detail. The results show that BER of the generated 5/10-Gbaud vector millimeter-wave signal is below 3.8 x 10(-3), when the input optical power for into photo-detector is higher than -20.67 dBm.

引用

页数：9

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