{"title":"Ferrule endface dimension optimization for standard outer diameter 4-core fiber connector","authors":"Kiyoshi KAMIMURA, Yuki FUJIMAKI, Kentaro MATSUDA, Ryo NAGASE","doi":"10.1587/transele.2023emp0001","DOIUrl":"https://doi.org/10.1587/transele.2023emp0001","url":null,"abstract":"Physical contact (PC) optical connectors realize long-term stability by maintaining contact with the optical fiber even during temperature fluctuations caused by the microscopic displacement of the ferrule endface. With multicore fiber (MCF) connectors, stable PC connection conditions need to be newly investigated because MCFs have cores other than at the center. In this work, we investigated the microscopic displacement of connected ferrule endfaces using the finite element method (FEM). As a result, by using MCF connectors with an apex offset, we found that the allowable fiber undercut where all the cores make contact is slightly smaller than that of single-mode fiber (SMF) connectors. Therefore, we propose a new equation for determining the allowable fiber undercut of MCF connectors. We also fabricated MCF connectors with an allowable fiber undercut and confirmed their reliability using the composite temperature/humidity cyclic test.","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135843506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sangyeop Lee, K. Takano, S. Amakawa, T. Yoshida, M. Fujishima
{"title":"A 0.6-V 41.3-GHz Power-Scalable Sub-Sampling PLL in 55-nm CMOS DDC","authors":"Sangyeop Lee, K. Takano, S. Amakawa, T. Yoshida, M. Fujishima","doi":"10.1587/transele.2022cts0001","DOIUrl":"https://doi.org/10.1587/transele.2022cts0001","url":null,"abstract":"","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"106 1","pages":"533-537"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67306320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Novel Trench MOS Barrier Schottky Contact Super Barrier Rectifier","authors":"Peijian Zhang, K. Zhu, Wensuo Chen","doi":"10.1587/transele.2022ecp5059","DOIUrl":"https://doi.org/10.1587/transele.2022ecp5059","url":null,"abstract":"","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67306380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Capacitive Wireless Power Transfer System with Misalignment Tolerance in Flowing Freshwater Environments","authors":"Yasumasa Naka, Akihiko Ishiwata, Masaya Tamura","doi":"10.1587/transele.2023ecp5018","DOIUrl":"https://doi.org/10.1587/transele.2023ecp5018","url":null,"abstract":"","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67306712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Encouraging Innovation in Analog IC Design","authors":"C. Mangelsdorf","doi":"10.1587/transele.2022cti0001","DOIUrl":"https://doi.org/10.1587/transele.2022cti0001","url":null,"abstract":"SUMMARY Recent years have seen a decline in the art of analog IC de-sign even though analog interface and analog signal processing remain just as essential as ever. While there are many contributing factors, four specific pressures which contribute the most to the loss of creativity and innovation within analog practice are examined: process evolution, risk aversion, digitally assisted analog, and corporate culture. Despite the potency of these forces, none are found to be insurmountable obstacles to reinvigorating the industry. A more creative future is within our reach.","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"106 1","pages":"516-520"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67305500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sangyeop Lee, S. Amakawa, T. Yoshida, M. Fujishima
{"title":"A 58-%-Lock-Range Divide-by-9 Injection-Locked Frequency Divider Using Harmonic-Control Technique","authors":"Sangyeop Lee, S. Amakawa, T. Yoshida, M. Fujishima","doi":"10.1587/transele.2022cts0003","DOIUrl":"https://doi.org/10.1587/transele.2022cts0003","url":null,"abstract":"","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"106 1","pages":"529-532"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67306407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tatsuya Kobayashi, K. Yasutomi, Naoki Takada, S. Kawahito
{"title":"An SOI-Based Lock-in Pixel with a Shallow Buried Channel for Reducing Parasitic Light Sensitivity and Improving Modulation Contrast","authors":"Tatsuya Kobayashi, K. Yasutomi, Naoki Takada, S. Kawahito","doi":"10.1587/transele.2022ctp0003","DOIUrl":"https://doi.org/10.1587/transele.2022ctp0003","url":null,"abstract":"","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"106 1","pages":"538-545"},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67306133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Universal Angle Visibility Realized by a Volumetric 3D Display Using a Rotating Mirror-Image Helix Screen","authors":"Karin Wakatsuki, C. Fujikawa, M. Omodani","doi":"10.1587/transele.2023dii0003","DOIUrl":"https://doi.org/10.1587/transele.2023dii0003","url":null,"abstract":"","PeriodicalId":50384,"journal":{"name":"IEICE Transactions on Electronics","volume":"1 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67306856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}