Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer

This paper presents a new scheme of a cost-effective tunable millimeter-wave (MMW) frequency synthesizer based on an ultra-wideband electro-optic frequency comb. The architecture for the quasi-tunable millimeter-wave frequency synthesizer mainly consists of a compact ultra-wide flat electro-optic fr...

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Autores principales:	Li Liu, Yangguang Liu, Xiao-Zhi Gao, Xiaomin Zhang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	millimeter-wave generator ultra-wide electro-optic comb frequency synthesizer dual-driving Mach–Zehnder modulator quantum dot mode-locked laser high capacity 5G communication Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/5859c2a03d8b478abb1266ecf5d951b4
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spelling	oai:doaj.org-article:5859c2a03d8b478abb1266ecf5d951b42021-11-25T16:37:08ZFlexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer10.3390/app1122107422076-3417https://doaj.org/article/5859c2a03d8b478abb1266ecf5d951b42021-11-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/22/10742https://doaj.org/toc/2076-3417This paper presents a new scheme of a cost-effective tunable millimeter-wave (MMW) frequency synthesizer based on an ultra-wideband electro-optic frequency comb. The architecture for the quasi-tunable millimeter-wave frequency synthesizer mainly consists of a compact ultra-wide flat electro-optic frequency comb and a multi-tone frequency generator, which only includes a quantum dot mode-locked laser, a LiNbO<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula> dual-driving Mach–Zehnder modulator (DD-MZM) and Uni-traveling-carrier photodiode (UTC-PD). MMW signals generated with a quasi-tunable frequency are experimentally demonstrated. The difference in power is obtained for the different frequencies. The linewidth of the quasi-tunable frequency signals is less than 273 Hz. In addition, the single side band (SSB) phase noise of the 25, 37.5, 50 and 75 GHz is measured as −115, −106, −102 and −95 dBc/Hz at an offset of 1 kHz, respectively. The proposed frequency synthesizer has ultra-low phase noise, quasi-tunable frequency and simple structure. The research results of the frequency synthesizer are applied for 5G+ transmission with radio wave working at K-band and V-band. The flexible, compact and robust MMW frequency synthesizer is suitable for the future of ultra-high capacity 5G+ communication.Li LiuYangguang LiuXiao-Zhi GaoXiaomin ZhangMDPI AGarticlemillimeter-wave generatorultra-wide electro-optic combfrequency synthesizerdual-driving Mach–Zehnder modulatorquantum dot mode-locked laserhigh capacity 5G communicationTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 10742, p 10742 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	millimeter-wave generator ultra-wide electro-optic comb frequency synthesizer dual-driving Mach–Zehnder modulator quantum dot mode-locked laser high capacity 5G communication Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	millimeter-wave generator ultra-wide electro-optic comb frequency synthesizer dual-driving Mach–Zehnder modulator quantum dot mode-locked laser high capacity 5G communication Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Li Liu Yangguang Liu Xiao-Zhi Gao Xiaomin Zhang Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer
description	This paper presents a new scheme of a cost-effective tunable millimeter-wave (MMW) frequency synthesizer based on an ultra-wideband electro-optic frequency comb. The architecture for the quasi-tunable millimeter-wave frequency synthesizer mainly consists of a compact ultra-wide flat electro-optic frequency comb and a multi-tone frequency generator, which only includes a quantum dot mode-locked laser, a LiNbO<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>3</mn></msub></semantics></math></inline-formula> dual-driving Mach–Zehnder modulator (DD-MZM) and Uni-traveling-carrier photodiode (UTC-PD). MMW signals generated with a quasi-tunable frequency are experimentally demonstrated. The difference in power is obtained for the different frequencies. The linewidth of the quasi-tunable frequency signals is less than 273 Hz. In addition, the single side band (SSB) phase noise of the 25, 37.5, 50 and 75 GHz is measured as −115, −106, −102 and −95 dBc/Hz at an offset of 1 kHz, respectively. The proposed frequency synthesizer has ultra-low phase noise, quasi-tunable frequency and simple structure. The research results of the frequency synthesizer are applied for 5G+ transmission with radio wave working at K-band and V-band. The flexible, compact and robust MMW frequency synthesizer is suitable for the future of ultra-high capacity 5G+ communication.
format	article
author	Li Liu Yangguang Liu Xiao-Zhi Gao Xiaomin Zhang
author_facet	Li Liu Yangguang Liu Xiao-Zhi Gao Xiaomin Zhang
author_sort	Li Liu
title	Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer
title_short	Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer
title_full	Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer
title_fullStr	Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer
title_full_unstemmed	Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer
title_sort	flexible ultra-wide electro-optic frequency combs for a high-capacity tunable 5g+ millimeter-wave frequency synthesizer
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5859c2a03d8b478abb1266ecf5d951b4
work_keys_str_mv	AT liliu flexibleultrawideelectroopticfrequencycombsforahighcapacitytunable5gmillimeterwavefrequencysynthesizer AT yangguangliu flexibleultrawideelectroopticfrequencycombsforahighcapacitytunable5gmillimeterwavefrequencysynthesizer AT xiaozhigao flexibleultrawideelectroopticfrequencycombsforahighcapacitytunable5gmillimeterwavefrequencysynthesizer AT xiaominzhang flexibleultrawideelectroopticfrequencycombsforahighcapacitytunable5gmillimeterwavefrequencysynthesizer
_version_	1718413076229783552

Flexible Ultra-Wide Electro-Optic Frequency Combs for a High-Capacity Tunable 5G+ Millimeter-Wave Frequency Synthesizer

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