Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization Interference

A photonic microwave frequency measurement system with single-branch detection based on polarization interference is proposed. In this scheme, a 15-line non-flat optical frequency comb (OFC) based on sawtooth signal modulation via a Mach–Zehnder modulator is generated. The intercepted microwave sign...

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Main Authors: Wei Zhu, Jing Li, Miaoxia Yan, Li Pei, Tigang Ning, Jingjing Zheng, Jianshuai Wang
Format: Article
Language:English
Published: MDPI AG 2023-01-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/12/2/455
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author Wei Zhu
Jing Li
Miaoxia Yan
Li Pei
Tigang Ning
Jingjing Zheng
Jianshuai Wang
author_facet Wei Zhu
Jing Li
Miaoxia Yan
Li Pei
Tigang Ning
Jingjing Zheng
Jianshuai Wang
author_sort Wei Zhu
collection DOAJ
description A photonic microwave frequency measurement system with single-branch detection based on polarization interference is proposed. In this scheme, a 15-line non-flat optical frequency comb (OFC) based on sawtooth signal modulation via a Mach–Zehnder modulator is generated. The intercepted microwave signal with multiple-frequency components can be measured by frequency down-conversion with this simple structure. This system can measure the multi-tone microwave signals in real time. The single-branch detection makes the system a simple and compact structure and avoids the unbalanced variation, as in a two-branches scheme. The blind area of the system can be solved by adjusting the comb-line spacing of the OFC. A simulation is carried out and related discussion is given. The result reveals that it can measure multi-tone microwave signals with a resolution of less than 2 MHz over 0.1–12 GHz.
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spelling doaj.art-ab28152fffcc4477976556c231aaf9952023-11-30T22:00:42ZengMDPI AGElectronics2079-92922023-01-0112245510.3390/electronics12020455Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization InterferenceWei Zhu0Jing Li1Miaoxia Yan2Li Pei3Tigang Ning4Jingjing Zheng5Jianshuai Wang6Institute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, ChinaA photonic microwave frequency measurement system with single-branch detection based on polarization interference is proposed. In this scheme, a 15-line non-flat optical frequency comb (OFC) based on sawtooth signal modulation via a Mach–Zehnder modulator is generated. The intercepted microwave signal with multiple-frequency components can be measured by frequency down-conversion with this simple structure. This system can measure the multi-tone microwave signals in real time. The single-branch detection makes the system a simple and compact structure and avoids the unbalanced variation, as in a two-branches scheme. The blind area of the system can be solved by adjusting the comb-line spacing of the OFC. A simulation is carried out and related discussion is given. The result reveals that it can measure multi-tone microwave signals with a resolution of less than 2 MHz over 0.1–12 GHz.https://www.mdpi.com/2079-9292/12/2/455microwave photonicsmicrowave frequency measurementsingle-branch detection
spellingShingle Wei Zhu
Jing Li
Miaoxia Yan
Li Pei
Tigang Ning
Jingjing Zheng
Jianshuai Wang
Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization Interference
Electronics
microwave photonics
microwave frequency measurement
single-branch detection
title Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization Interference
title_full Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization Interference
title_fullStr Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization Interference
title_full_unstemmed Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization Interference
title_short Photonic Multiple Microwave Frequency Measurement System with Single-Branch Detection Based on Polarization Interference
title_sort photonic multiple microwave frequency measurement system with single branch detection based on polarization interference
topic microwave photonics
microwave frequency measurement
single-branch detection
url https://www.mdpi.com/2079-9292/12/2/455
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