{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T08:12:17Z","timestamp":1780387937572,"version":"3.54.1"},"reference-count":23,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2025,4,10]],"date-time":"2025-04-10T00:00:00Z","timestamp":1744243200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"the Fundamental Research Funds for the Central Universities","award":["KLSB2023KF-05"],"award-info":[{"award-number":["KLSB2023KF-05"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>By combining the Fourier series expansion method with the perfect matching layer strategy, this study provides a detailed analysis of symmetric periodic chains consisting of two-dimensional monolayer dielectric cylinders. The numerical and field distribution characteristics were systematically compared by varying the semidiameter and dielectric constant of the monolayer cylindrical periodic structure. The results show that, under a constant dielectric constant, structural chains with larger radii support both odd and even modes, enabling multimode communication. Additionally, when the radius is fixed, structural chains with a lower dielectric constant exhibit more stable single-mode behavior under the same radius conditions. These findings provide valuable theoretical insights for the design of high-density optical interconnects and reconfigurable photonic networks, contributing to the advancement of next-generation optical communication systems.<\/jats:p>","DOI":"10.3390\/sym17040576","type":"journal-article","created":{"date-parts":[[2025,4,10]],"date-time":"2025-04-10T07:41:51Z","timestamp":1744270911000},"page":"576","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The Transmission Characteristics of Novel Symmetric Photonic Crystals in Multi- and Single-Mode Configurations"],"prefix":"10.3390","volume":"17","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-1858-3478","authenticated-orcid":false,"given":"Rongkang","family":"Xuan","sequence":"first","affiliation":[{"name":"College of Information Science and Technology, Nanjing Forestry University, Nanjing 210037, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dan","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Information Science and Technology, Nanjing Forestry University, Nanjing 210037, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6258-190X","authenticated-orcid":false,"given":"Na","family":"Wang","sequence":"additional","affiliation":[{"name":"The Key Laboratory of Systems Biomedicine (Ministry of Education), Shanghai Center for Systems Biomedicine, Shanghai Jiao Tong University, Shanghai 200240, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,4,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"130697","DOI":"10.1016\/j.optcom.2024.130697","article-title":"Enhanced sensitivity of temperature sensor by a novel birefringent photonic crystal fiber with PDMS filling","volume":"565","author":"Cheng","year":"2024","journal-title":"Opt. 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