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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 : 2025-03-17 DOI: 10.1109/LPT.2025.3539161
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引用次数: 0
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters for Authors
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-03-17 DOI: 10.1109/LPT.2025.3539157
{"title":"IEEE Photonics Technology Letters Information for Authors","authors":"","doi":"10.1109/LPT.2025.3539157","DOIUrl":"https://doi.org/10.1109/LPT.2025.3539157","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 2","pages":"C3-C3"},"PeriodicalIF":2.3,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10929789","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143637955","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 空白页
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-03-17 DOI: 10.1109/LPT.2025.3539138
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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 : 2025-03-17 DOI: 10.1109/LPT.2025.3525943
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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 : 2025-03-17 DOI: 10.1109/LPT.2025.3539154
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引用次数: 0
High-Speed Water-Cooled Rotary Solid-State Laser With Reduced Thermal Effects 具有低热效应的高速水冷旋转固体激光器
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-03-14 DOI: 10.1109/LPT.2025.3551131
Zhuanglin Qian;Minghai Wang;Xuan Lv;Ying Wang;Peifeng Chen
{"title":"High-Speed Water-Cooled Rotary Solid-State Laser With Reduced Thermal Effects","authors":"Zhuanglin Qian;Minghai Wang;Xuan Lv;Ying Wang;Peifeng Chen","doi":"10.1109/LPT.2025.3551131","DOIUrl":"https://doi.org/10.1109/LPT.2025.3551131","url":null,"abstract":"This study introduces a high-speed water-cooled rotary laser with an innovative cooling mechanism. Thermal analysis confirms the system’s exceptional heat dissipation capabilities. Compared to traditional rotary disk lasers, this laser fully utilizes high thermal conductivity efficiency of water cooling and low absorption coefficient of the gain medium to reduce thermal stress. We introduce a novel “quasi-rotation” mechanism for the water-cooled rotary laser to resolve the issue of water pipe entanglement. To achieve this, we propose an eccentric rotation design that utilizes a single motor to deliver uniform, high-speed rotation with exceptional stability. Initial experiments demonstrate a maximum output power of 76.5 W, a slope efficiency of 58.2%, and a power conversion efficiency of 52.4%. Output power is primarily limited by the available pump power in our lab. We also analyze the impact of water temperature and rotation speed on output power. Both continuous and pulsed pumping experiments further validate the system’s robust thermal management. Overall, our results highlight the significant potential of “quasi-rotating” water-cooled laser technology to enhance the power output of solid-state lasers.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 7","pages":"429-432"},"PeriodicalIF":2.3,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143654920","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
Anti-Crosstalk Fiber-Optic Liquid Level Sensor Based on Hollow-Core Bragg Fiber 基于空心布拉格光纤的抗串扰光纤液位传感器
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-03-14 DOI: 10.1109/LPT.2025.3551497
Qing Chang;Feng Zhou;Cun Chang;Qi Sheng;Liangtao Hou;Jianwei Li
{"title":"Anti-Crosstalk Fiber-Optic Liquid Level Sensor Based on Hollow-Core Bragg Fiber","authors":"Qing Chang;Feng Zhou;Cun Chang;Qi Sheng;Liangtao Hou;Jianwei Li","doi":"10.1109/LPT.2025.3551497","DOIUrl":"https://doi.org/10.1109/LPT.2025.3551497","url":null,"abstract":"In this letter, we develop a novel fiber-optic sensor based on a hollow-core Bragg fiber (HCBF) for high-precision detection of liquid level. The intensity responses of anti-resonance reflecting optical waveguide are theoretically analyzed in terms of level and refractive index (RI) of liquid. Simultaneous measurements are conducted and the obvious intensity variations as the changed liquid level are exhibited, with near-zero RI crosstalk. The average liquid level sensitivity reaches −11.24 dB/cm in the range of <inline-formula> <tex-math>$0 sim 4$ </tex-math></inline-formula> cm, with high linearity. Additionally, high repeatability and low temperature intensity drift guarantee the measurement error can be constrained within 0.03 mm.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 8","pages":"469-472"},"PeriodicalIF":2.3,"publicationDate":"2025-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143777857","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
P-Metal Geometry Impacts Micro-LEDs Efficiency: Current Spreading and Light Extraction p金属几何形状对微型led效率的影响：电流扩散和光提取
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-03-12 DOI: 10.1109/LPT.2025.3568789
Shi-Biao Liu;Mai-Jia Lin;Tao-Ming Liu;Wen-An Guo;Hua-Xin Xiong;Yue Lin;Yu-Han Su;Hao-Chung Kuo;Yi-Jun Lu;Ting-Zhu Wu;Zhong Chen
{"title":"P-Metal Geometry Impacts Micro-LEDs Efficiency: Current Spreading and Light Extraction","authors":"Shi-Biao Liu;Mai-Jia Lin;Tao-Ming Liu;Wen-An Guo;Hua-Xin Xiong;Yue Lin;Yu-Han Su;Hao-Chung Kuo;Yi-Jun Lu;Ting-Zhu Wu;Zhong Chen","doi":"10.1109/LPT.2025.3568789","DOIUrl":"https://doi.org/10.1109/LPT.2025.3568789","url":null,"abstract":"P-metal geometry has a significant impact on chip current spreading, which, in turn, affects the optoelectronic characteristics of the devices. We designed and fabricated a series of <inline-formula> <tex-math>$37~mu $ </tex-math></inline-formula>m square mesa of micro-LED green chips with different P-metal geometries (ring-shaped, disk-shaped, and cross shaped), and subsequently investigated their optoelectronic characteristics. The results demonstrate that the optimal optoelectronic characteristics are achieved when the P-metal is cross-shaped, with an external quantum efficiency of up to 18.85%. This represents improvements of 12.20% and 3.52% compared to devices with ring-shaped and disk-shaped P-metals, respectively. The analysis suggests that this is because the cross-shaped P-metal structure is better suited to the square mesa and results in a more uniform spreading of the chip current. COMSOL and TracePro simulations were used to analyze the current spreading and light output of chips with different P-metal geometries and verify our hypothesis. This study is expected to be significant in the design and fabrication of micro-LED chips.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 15","pages":"837-840"},"PeriodicalIF":2.3,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144125422","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
A Polarization-Insensitive 3 dB Power Splitter Based On Inverse-Designed Subwavelength Pixelated Structure 基于反设计亚波长像素化结构的偏振不敏感3db功率分路器
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-03-12 DOI: 10.1109/LPT.2025.3550542
Lei Zhang;Hongzhe Ouyang;Yaxin Yu;Jiao Zhang;Min Zhu;Shengbao Wu;Jinbiao Xiao
{"title":"A Polarization-Insensitive 3 dB Power Splitter Based On Inverse-Designed Subwavelength Pixelated Structure","authors":"Lei Zhang;Hongzhe Ouyang;Yaxin Yu;Jiao Zhang;Min Zhu;Shengbao Wu;Jinbiao Xiao","doi":"10.1109/LPT.2025.3550542","DOIUrl":"https://doi.org/10.1109/LPT.2025.3550542","url":null,"abstract":"The polarization-independent power splitters (PIPSs) are essential for enabling efficient integration in photonic circuits. In this letter, we propose and experimentally demonstrate an ultra-compact, broadband 3 dB PIPS, whose design is based on a sub-wavelength pixelated structure with a footprint of <inline-formula> <tex-math>$2.5times ,, 1.5~mu $ </tex-math></inline-formula>m2. The initial pixelated structure is carefully designed to enhance algorithm robustness of the optimization process, thereby improving efficiency and avoiding local optima. The experimental results show that the insertion loss of both TE0 and TM0 is lower than 1.5 dB within the wavelength range of 1480-1580 nm, while the beam splitting ratio between the two output ports remains above 75%. In addition, the fabrication tolerance of the device is examined to ensure low insertion loss and reflection loss. This ultra-compact on-chip device demonstrates significant potential for advancing high-density integration in optical circuits.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 7","pages":"433-436"},"PeriodicalIF":2.3,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143654907","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
310-km FM-Conversion A-RoF-Transmission Experiment Using Chirped Fiber Bragg Gratings 利用啁啾光纤布拉格光栅的310公里调频转换a - rof传输实验
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-03-12 DOI: 10.1109/LPT.2025.3550504
Toshiaki Shitaba;Ryo Miyatake;Youichi Fukada;Akihiro Tanabe;Kaito Okada;Masayoshi Sekiguchi;Tomoaki Yoshida
{"title":"310-km FM-Conversion A-RoF-Transmission Experiment Using Chirped Fiber Bragg Gratings","authors":"Toshiaki Shitaba;Ryo Miyatake;Youichi Fukada;Akihiro Tanabe;Kaito Okada;Masayoshi Sekiguchi;Tomoaki Yoshida","doi":"10.1109/LPT.2025.3550504","DOIUrl":"https://doi.org/10.1109/LPT.2025.3550504","url":null,"abstract":"The world’s longest transmission distance for a commercial frequency modulation (FM)-conversion analog-radio over-fiber system exceeds 300 km. This system multiplexes community antenna television /broadcasting satellite / communication satellite video signals with frequencies from 90 MHz to 2.1 GHz, converts them into optical signals, and transmits them from the broadcaster building to customer houses. In the FM-conversion system, dispersion compensating fibers (DCFs) are used to compensate for the chromatic dispersion generated in the transmission optical fiber. However, due to the risk of DCF depletion in the long term, it is necessary to consider alternative dispersion-compensation configuration. Therefore, we propose a chirped fiber Bragg grating (CFBG) dispersion-compensation configuration and conducted an FM-conversion long-distance- transmission experiment using this configuration and evaluated its applicability. We clarified that the carrier-to-noise ratio is improved by arranging CFBGs in front of the transmission fiber, compared with using DCFs.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 8","pages":"437-440"},"PeriodicalIF":2.3,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143688084","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
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