{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,7]],"date-time":"2026-05-07T16:24:39Z","timestamp":1778171079387,"version":"3.51.4"},"reference-count":34,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2024,2,17]],"date-time":"2024-02-17T00:00:00Z","timestamp":1708128000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key Research and Development Program of China","award":["2021YFB2900401"],"award-info":[{"award-number":["2021YFB2900401"]}]},{"name":"National Key Research and Development Program of China","award":["ZDSYS20210623091807023"],"award-info":[{"award-number":["ZDSYS20210623091807023"]}]},{"name":"National Key Research and Development Program of China","award":["PCL2023AS1-1"],"award-info":[{"award-number":["PCL2023AS1-1"]}]},{"name":"Key Research and Development Program of Shenzhen","award":["2021YFB2900401"],"award-info":[{"award-number":["2021YFB2900401"]}]},{"name":"Key Research and Development Program of Shenzhen","award":["ZDSYS20210623091807023"],"award-info":[{"award-number":["ZDSYS20210623091807023"]}]},{"name":"Key Research and Development Program of Shenzhen","award":["PCL2023AS1-1"],"award-info":[{"award-number":["PCL2023AS1-1"]}]},{"name":"Major Key Project of PCL Department of Broadband Communication","award":["2021YFB2900401"],"award-info":[{"award-number":["2021YFB2900401"]}]},{"name":"Major Key Project of PCL Department of Broadband Communication","award":["ZDSYS20210623091807023"],"award-info":[{"award-number":["ZDSYS20210623091807023"]}]},{"name":"Major Key Project of PCL Department of Broadband Communication","award":["PCL2023AS1-1"],"award-info":[{"award-number":["PCL2023AS1-1"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A meta-surface-based arbitrary bandwidth filter realization method for terahertz (THz) future communications is presented. The approach involves integrating a meta-surface-based bandstop filter into an ultra-wideband (UWB) bandpass filter and adjusting the operating frequency range of the meta-surface bandstop filter to realize the design of arbitrary bandwidth filters. It effectively addresses the complexity of designing traditional arbitrary bandwidth filters and the challenges in achieving impedance matching. To underscore its practicality, the paper employs silicon substrate integrated gap waveguide (SSIGW) and this method to craft a THz filter. To begin, design equations for electromagnetic band gap (EBG) structures were developed in accordance with the requirements of through-silicon via (TSV) and applied to the design of the SSIGW. Subsequently, this article employs equivalent transmission line models and equivalent circuits to conduct theoretical analyses for both the UWB passband and the meta-surface stopband portions. The proposed THz filter boasts a center frequency of 0.151 THz, a relative bandwidth of 6.9%, insertion loss below 0.68 dB, and stopbands exceeding 20 GHz in both upper and lower ranges. The in-band group delay is 0.119 \u00b1 0.048 ns. Compared to reported THz filters, the SSIGW filter boasts advantages such as low loss and minimal delay, making it even more suitable for future wireless communication.<\/jats:p>","DOI":"10.3390\/s24041291","type":"journal-article","created":{"date-parts":[[2024,2,19]],"date-time":"2024-02-19T03:18:38Z","timestamp":1708312718000},"page":"1291","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A Design Method and Application of Meta-Surface-Based Arbitrary Passband Filter for Terahertz Communication"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-8595-8449","authenticated-orcid":false,"given":"Da","family":"Hou","sequence":"first","affiliation":[{"name":"School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen 518107, China"},{"name":"Pengcheng Laboratory, Shenzhen 518107, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lihui","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen 518107, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9244-0665","authenticated-orcid":false,"given":"Qiuhua","family":"Lin","sequence":"additional","affiliation":[{"name":"School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen 518107, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4245-5989","authenticated-orcid":false,"given":"Xiaodong","family":"Xu","sequence":"additional","affiliation":[{"name":"Pengcheng Laboratory, Shenzhen 518107, China"},{"name":"School of Information and Communication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yin","family":"Li","sequence":"additional","affiliation":[{"name":"Pengcheng Laboratory, Shenzhen 518107, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4084-4027","authenticated-orcid":false,"given":"Zhiyong","family":"Luo","sequence":"additional","affiliation":[{"name":"School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen 518107, China"},{"name":"Pengcheng Laboratory, Shenzhen 518107, China"},{"name":"Shenzhen Key Laboratory of Navigation and Communication Integration, Shenzhen 518107, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0973-1374","authenticated-orcid":false,"given":"Hao","family":"Chen","sequence":"additional","affiliation":[{"name":"Pengcheng Laboratory, Shenzhen 518107, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,2,17]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"5405","DOI":"10.1007\/s11664-022-09779-1","article-title":"Characterization of a Pentagonal CSRR Bandpass Filter for Terahertz Applications","volume":"51","author":"Caroline","year":"2022","journal-title":"J. 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