Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs
Abstract Microwave transversal filters, which are implemented based on the transversal filter structure in digital signal processing, offer a high reconfigurability for achieving a variety of signal processing functions without changing hardware. When implemented using microwave photonic (MWP) techn...
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| Format: | Article |
| Language: | English |
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Wiley-VCH
2025-01-01
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| Series: | Advanced Physics Research |
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| Online Access: | https://doi.org/10.1002/apxr.202400084 |
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| author | Yang Li Yang Sun Jiayang Wu Guanghui Ren Xingyuan Xu Bill Corcoran Sai Tak Chu Brent E. Little Roberto Morandotti Arnan Mitchell David J. Moss |
| author_facet | Yang Li Yang Sun Jiayang Wu Guanghui Ren Xingyuan Xu Bill Corcoran Sai Tak Chu Brent E. Little Roberto Morandotti Arnan Mitchell David J. Moss |
| author_sort | Yang Li |
| collection | DOAJ |
| description | Abstract Microwave transversal filters, which are implemented based on the transversal filter structure in digital signal processing, offer a high reconfigurability for achieving a variety of signal processing functions without changing hardware. When implemented using microwave photonic (MWP) technologies, also known as MWP transversal filters, they provide competitive advantages over their electrical counterparts, such as large operation bandwidth, strong immunity to electromagnetic interference, and low loss when processing signals at high frequencies. Recent advances in high‐performance optical microcombs provide compact and powerful multi‐wavelength sources for MWP transversal filters that require a larger number of wavelength channels to achieve high performance, allowing for the demonstration of a diverse range of filter functions with improved performance and new features. Here, a comprehensive performance analysis for microcomb‐based MWP spectral filters based on the transversal filter approach is presented. First, the theoretical limitations are investigated in the filter spectral response induced by finite tap numbers. Next, the distortions are analyzed in the filter spectral response resulting from experimental error sources. Finally, the influence of input signal's bandwidth on the filtering errors is assessed. These results provide a valuable guide for the design and optimization of microcomb‐based MWP transversal filters for a variety of applications. |
| format | Article |
| id | doaj-art-185217c16823407fb8255e8530d05c04 |
| institution | Kabale University |
| issn | 2751-1200 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Wiley-VCH |
| record_format | Article |
| series | Advanced Physics Research |
| spelling | doaj-art-185217c16823407fb8255e8530d05c042025-01-10T12:23:42ZengWiley-VCHAdvanced Physics Research2751-12002025-01-0141n/an/a10.1002/apxr.202400084Performance Analysis of Microwave Photonic Spectral Filters based on Optical MicrocombsYang Li0Yang Sun1Jiayang Wu2Guanghui Ren3Xingyuan Xu4Bill Corcoran5Sai Tak Chu6Brent E. Little7Roberto Morandotti8Arnan Mitchell9David J. Moss10Optical Sciences CentreSwinburne University of TechnologyHawthornVIC3122AustraliaOptical Sciences CentreSwinburne University of TechnologyHawthornVIC3122AustraliaOptical Sciences CentreSwinburne University of TechnologyHawthornVIC3122AustraliaIntegrated Photonics and Applications Centre, School of EngineeringRMIT UniversityMelbourneVIC3000AustraliaState Key Laboratory of Information Photonics and Optical CommunicationsBeijing University of Posts and TelecommunicationsBeijing100876ChinaPhotonic Communications Laboratory, Dept. Electrical and Computer Systems EngineeringMonash UniversityClayton VIC 3168 AustraliaDepartment of PhysicsCity University of Hong KongHong Kong 999077 ChinaQXP Technology Inc.Xi'an 710119 ChinaINRS – ÉnergieMatériaux et TélécommunicationsVarennesQCJ3X1S2CanadaIntegrated Photonics and Applications Centre, School of EngineeringRMIT UniversityMelbourneVIC3000AustraliaOptical Sciences CentreSwinburne University of TechnologyHawthornVIC3122AustraliaAbstract Microwave transversal filters, which are implemented based on the transversal filter structure in digital signal processing, offer a high reconfigurability for achieving a variety of signal processing functions without changing hardware. When implemented using microwave photonic (MWP) technologies, also known as MWP transversal filters, they provide competitive advantages over their electrical counterparts, such as large operation bandwidth, strong immunity to electromagnetic interference, and low loss when processing signals at high frequencies. Recent advances in high‐performance optical microcombs provide compact and powerful multi‐wavelength sources for MWP transversal filters that require a larger number of wavelength channels to achieve high performance, allowing for the demonstration of a diverse range of filter functions with improved performance and new features. Here, a comprehensive performance analysis for microcomb‐based MWP spectral filters based on the transversal filter approach is presented. First, the theoretical limitations are investigated in the filter spectral response induced by finite tap numbers. Next, the distortions are analyzed in the filter spectral response resulting from experimental error sources. Finally, the influence of input signal's bandwidth on the filtering errors is assessed. These results provide a valuable guide for the design and optimization of microcomb‐based MWP transversal filters for a variety of applications.https://doi.org/10.1002/apxr.202400084integrated opticsmicrowave photonicsoptical microcombstransversal filters |
| spellingShingle | Yang Li Yang Sun Jiayang Wu Guanghui Ren Xingyuan Xu Bill Corcoran Sai Tak Chu Brent E. Little Roberto Morandotti Arnan Mitchell David J. Moss Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs Advanced Physics Research integrated optics microwave photonics optical microcombs transversal filters |
| title | Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs |
| title_full | Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs |
| title_fullStr | Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs |
| title_full_unstemmed | Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs |
| title_short | Performance Analysis of Microwave Photonic Spectral Filters based on Optical Microcombs |
| title_sort | performance analysis of microwave photonic spectral filters based on optical microcombs |
| topic | integrated optics microwave photonics optical microcombs transversal filters |
| url | https://doi.org/10.1002/apxr.202400084 |
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