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Ultra-Broadband Power Splitter With Arbitrary Splitting Ratio Based on SWG MMI Coupler
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-17 DOI: 10.1109/LPT.2024.3519299
Shangtong Han;Dongyue Sun;Shi Zhao;Daoxin Dai;Yaocheng Shi
{"title":"Ultra-Broadband Power Splitter With Arbitrary Splitting Ratio Based on SWG MMI Coupler","authors":"Shangtong Han;Dongyue Sun;Shi Zhao;Daoxin Dai;Yaocheng Shi","doi":"10.1109/LPT.2024.3519299","DOIUrl":"https://doi.org/10.1109/LPT.2024.3519299","url":null,"abstract":"We propose and demonstrate an ultra-broadband power splitter with arbitrary splitting ratio based on subwavelength gratings (SWGs) multimode interference (MMI) coupler. SWGs are introduced to increase the optical bandwidth of the devices. Asymmetrical MMI regions are used to realize the arbitrary splitting ratio. We have demonstrated the realization of the low loss power splitters with the splitting ratio of 4:6 and 2:8. The measured results for the fabricated devices show that, for both 4:6 and 2:8 devices, loss less than 1.5 dB and splitting ratio variation less than 10% are achieved within a broad optical bandwidth from \u0000<inline-formula> <tex-math>$1.26~mu $ </tex-math></inline-formula>\u0000m to \u0000<inline-formula> <tex-math>$1.6~mu $ </tex-math></inline-formula>\u0000m.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"137-140"},"PeriodicalIF":2.3,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142905820","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blank Page 空白页
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3488213
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引用次数: 0
IEEE Photonics Technology Letters publication information IEEE Photonics Technology Letters 出版信息
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3488225
{"title":"IEEE Photonics Technology Letters publication information","authors":"","doi":"10.1109/LPT.2024.3488225","DOIUrl":"https://doi.org/10.1109/LPT.2024.3488225","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"36 23","pages":"C2-C2"},"PeriodicalIF":2.3,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10799134","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142821266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blank Page
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3488231
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引用次数: 0
Optoelectronic Demonstration of the Nonlinear Activation Module for Optical Neural Networks
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3517159
Yubin Zang;Simin Li;Boyu Hua;Zhipeng Lin;Fangzheng Zhang;Zuxing Zhang
{"title":"Optoelectronic Demonstration of the Nonlinear Activation Module for Optical Neural Networks","authors":"Yubin Zang;Simin Li;Boyu Hua;Zhipeng Lin;Fangzheng Zhang;Zuxing Zhang","doi":"10.1109/LPT.2024.3517159","DOIUrl":"https://doi.org/10.1109/LPT.2024.3517159","url":null,"abstract":"In this letter, we experimentally demonstrated the viability of the optoelectronic nonlinear activation module in optical neural networks. By adopting the beam splitter, photo-diode, electronic processing unit and tunable attenuator, nonlinear activation function ReLU which is widely used in the state of the art neural networks can be implemented in an optoelectronic way. Compared with other optical and optoelectronic implementations of nonlinear activation function, this method has advantages in expanses and complexity. This method also has potential to be applied into multiple types of optical neural networks to further increase the prediction accuracy.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 2","pages":"109-112"},"PeriodicalIF":2.3,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142858989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters 为作者提供的信息
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3488219
{"title":"IEEE Photonics Technology Letters Information for Authors","authors":"","doi":"10.1109/LPT.2024.3488219","DOIUrl":"https://doi.org/10.1109/LPT.2024.3488219","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"36 22","pages":"C3-C3"},"PeriodicalIF":2.3,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10799123","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142821231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Random Forest Regression for Improving the Measurement Range of a Temperature Interferometric Sensor
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3517424
Juan J. Paniagua-Medina;Everardo Vargas-Rodriguez;Ana Dinora Guzman-Chavez;Jose Carmen Morales-Castro;Roberto J. Correa-Jurado
{"title":"Random Forest Regression for Improving the Measurement Range of a Temperature Interferometric Sensor","authors":"Juan J. Paniagua-Medina;Everardo Vargas-Rodriguez;Ana Dinora Guzman-Chavez;Jose Carmen Morales-Castro;Roberto J. Correa-Jurado","doi":"10.1109/LPT.2024.3517424","DOIUrl":"https://doi.org/10.1109/LPT.2024.3517424","url":null,"abstract":"In this work, a random forest regression was used to predict the temperature of an interferometric optical sensor over a wide measurement range, overcoming several times the \u0000<inline-formula> <tex-math>$2pi $ </tex-math></inline-formula>\u0000 ambiguities. In particular, in the Fabry-Perot interferometer, this phenomenon is related to the free spectral range (FSR) of the fringes. Additionally, spectral features such as wavelength and amplitude of fringe peaks usually present nonlinear relationships with the target physical variable, in this case temperature. Here, it is shown that by using a random forest (RF) regression it is possible to overcome several FSR ambiguities, to widen the measurement range by a factor of 8 from 5.2 to 49.6 °C, with a RMSE of 0.04554 °C and a MAE of 0.0317 °C.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 2","pages":"101-104"},"PeriodicalIF":2.3,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142858985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Photonics Technology Letters Information for Authors
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3469509
{"title":"IEEE Photonics Technology Letters Information for Authors","authors":"","doi":"10.1109/LPT.2024.3469509","DOIUrl":"https://doi.org/10.1109/LPT.2024.3469509","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"36 21","pages":"C3-C3"},"PeriodicalIF":2.3,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10799120","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142821180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improvement of Antistatic Discharge Performance of 1.3-μm AlGaInAs/InP Semiconductor Lasers
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3517423
Mingjun Dai;Hui Lv;Chao Niu;Yunlong Du
{"title":"Improvement of Antistatic Discharge Performance of 1.3-μm AlGaInAs/InP Semiconductor Lasers","authors":"Mingjun Dai;Hui Lv;Chao Niu;Yunlong Du","doi":"10.1109/LPT.2024.3517423","DOIUrl":"https://doi.org/10.1109/LPT.2024.3517423","url":null,"abstract":"Electrostatic discharge (ESD) failure is a reliability concern for InP-based semiconductor lasers. An analysis of ESD-induced failures in AlGaInAs/InP-based DFB semiconductor lasers reveals that the primary degradation mechanism is optical absorption in the active layer at the laser facet. XPS results demonstrate that device failures caused by ESD can be effectively mitigated through surface cleaning and passivation, with this effect attributed to a reduction in non-radiative recombination at the facet.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 3","pages":"129-132"},"PeriodicalIF":2.3,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142905833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters 为作者提供的信息
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2024-12-13 DOI: 10.1109/LPT.2024.3488227
{"title":"IEEE Photonics Technology Letters Information for Authors","authors":"","doi":"10.1109/LPT.2024.3488227","DOIUrl":"https://doi.org/10.1109/LPT.2024.3488227","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"36 23","pages":"C3-C3"},"PeriodicalIF":2.3,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10799139","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142821241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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