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IEEE Photonics Technology Letters最新文献

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Simultaneous Triple-Wavelength Operation of a Diode-Pumped Nd: GSAG Laser at 1.4 μm 1.4 μm二极管泵浦Nd: GSAG激光器三波长同步工作
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-02 DOI: 10.1109/LPT.2026.3669098
Haotian Huang;Jing Xia;Rui Yang;Nguyentuan Anh;Yuzhao Li;Yanfei Lü
{"title":"Simultaneous Triple-Wavelength Operation of a Diode-Pumped Nd: GSAG Laser at 1.4 μm","authors":"Haotian Huang;Jing Xia;Rui Yang;Nguyentuan Anh;Yuzhao Li;Yanfei Lü","doi":"10.1109/LPT.2026.3669098","DOIUrl":"https://doi.org/10.1109/LPT.2026.3669098","url":null,"abstract":"We present a Nd:Gd3Sc2Al3O12(Nd:GSAG) laser operating at three wavelengths via the 4F3/2 → 4I13/2 transition. The gain-to-loss balance condition for simultaneous triple-wavelength operation was analyzed numerically using a birefringent filter (BRF). Experimentally, a continuous-wave (CW) emission at 1402 nm, 1426 nm and 1440 nm was demonstrated. Under an incident pump power of 20 W at 808 nm, the laser obtained a maximum total output power of 2.23 W, corresponding to an optical-to-optical conversion efficiency of 11.2%. To the best of our knowledge, this study theoretically establishes, for the first time, the equal-threshold condition for simultaneous operation of a triple-wavelength laser using a single loss element.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"755-758"},"PeriodicalIF":2.5,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362308","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
Angle Multiplexed Brewster Controlled Multiband Absorber for Optical Sensing 用于光学传感的角度复用布鲁斯特控制多波段吸收器
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-02 DOI: 10.1109/LPT.2026.3669218
Parvendra Kumar;Gaurav Varshney;Pushpa Giri;Shivendra Kumar Jaiswal
{"title":"Angle Multiplexed Brewster Controlled Multiband Absorber for Optical Sensing","authors":"Parvendra Kumar;Gaurav Varshney;Pushpa Giri;Shivendra Kumar Jaiswal","doi":"10.1109/LPT.2026.3669218","DOIUrl":"https://doi.org/10.1109/LPT.2026.3669218","url":null,"abstract":"Tin resonators can confine the coupled electromagnetic dipolar field. The interaction of patterned Tin based ultrathin metasurface to optical wave can provide the incident angle dependent multiband resonances offering narrow line-shape optical absorption in visible range. The proposed metasurface can provide a high modulation sensitivity for incident angle. Moreover, the proposed metasurface can provide the Brewster controlled resonances in different plane of polarization of the incident optical wave. Numerical study shows that proposed metasurface can be utilized for refractive index sensing and in the detection of air-borne pathogenic viruses, and blood, cervical and skin cancer.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"767-770"},"PeriodicalIF":2.5,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147440557","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
Direct Detection Φ-OTDR System Based on the Different Pulse Width Method 基于不同脉宽法的直接检测Φ-OTDR系统
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-02 DOI: 10.1109/LPT.2026.3669735
Yuhuai Huang;Xiaopeng Dong;Peichao Chen
{"title":"Direct Detection Φ-OTDR System Based on the Different Pulse Width Method","authors":"Yuhuai Huang;Xiaopeng Dong;Peichao Chen","doi":"10.1109/LPT.2026.3669735","DOIUrl":"https://doi.org/10.1109/LPT.2026.3669735","url":null,"abstract":"Conventional vibration demodulation typically utilizes nearby sample points in conjunction with pulses having relatively wide width for demodulation, which has drawbacks, including inconsistent spatial positions corresponding to adjacent sampling points and limited spatial resolution. This research proposes a novel quantitative vibration demodulation technique based on direct detection <inline-formula> <tex-math>$Phi $ </tex-math></inline-formula>-OTDR to address this issue. At a set repetition frequency, this technique alternately emits optical pulses with comparable but different pulse lengths. To precisely demodulate the vibration phase, it obtains two optical intensity signals at the same fiber position, which have different initial phases but virtually similar vibration-induced phase shifts. Compared with the conventional demodulation method, the proposed technique achieves a signal-to-noise ratio (SNR) improvement of 9.4 dB. By not relying on the data acquisition card’s (DAQ) sampling rate, this technique reduces the acquisition system’s cost and performance requirements while avoiding the spatial resolution deterioration associated with conventional demodulation using nearby sampling points.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"771-774"},"PeriodicalIF":2.5,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147440680","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 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-04-17 DOI: 10.1109/LPT.2026.3681014
{"title":"Blank Page","authors":"","doi":"10.1109/LPT.2026.3681014","DOIUrl":"https://doi.org/10.1109/LPT.2026.3681014","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 5","pages":"C4-C4"},"PeriodicalIF":2.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11483175","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147696164","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
IEEE Photonics Technology Letters Information for Authors IEEE Photonics Technology Letters for Authors
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-04-17 DOI: 10.1109/LPT.2026.3681012
{"title":"IEEE Photonics Technology Letters Information for Authors","authors":"","doi":"10.1109/LPT.2026.3681012","DOIUrl":"https://doi.org/10.1109/LPT.2026.3681012","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 5","pages":"C3-C3"},"PeriodicalIF":2.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11483176","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147696209","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
IEEE Photonics Technology Letters publication information IEEE Photonics Technology Letters出版信息
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-03-01 Epub Date: 2026-04-17 DOI: 10.1109/LPT.2026.3681008
{"title":"IEEE Photonics Technology Letters publication information","authors":"","doi":"10.1109/LPT.2026.3681008","DOIUrl":"https://doi.org/10.1109/LPT.2026.3681008","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 5","pages":"C2-C2"},"PeriodicalIF":2.5,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11483268","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147696751","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
O-Band TO Optical Switch Based on Silica Platform 基于二氧化硅平台的o波段TO光开关
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-27 DOI: 10.1109/LPT.2026.3669087
Minghui Zhou;Yuexin Yin;Guoyan Zeng;Xinru Xu;Daming Zhang
{"title":"O-Band TO Optical Switch Based on Silica Platform","authors":"Minghui Zhou;Yuexin Yin;Guoyan Zeng;Xinru Xu;Daming Zhang","doi":"10.1109/LPT.2026.3669087","DOIUrl":"https://doi.org/10.1109/LPT.2026.3669087","url":null,"abstract":"Optical switch plays an important role in the modern optical communication. In this letter, we demonstrate an O band <inline-formula> <tex-math>$8times 8$ </tex-math></inline-formula> switch array based on 2% <inline-formula> <tex-math>$Delta $ </tex-math></inline-formula> silica platform. The <inline-formula> <tex-math>$8times 8$ </tex-math></inline-formula> switch array is designed with BENES topology having 20 balanced Mach–Zehnder interferometer based switch elements. At 1310 nm, the switch shows good performance. The on-chip loss is lower than 1.18 dB and the crosstalk is better than −16.32 dB. The rise time (10%-90%) and fall time (90%-10%) of the switch are both 1.3 ms at 1310 nm. The transmission experiments of 10 Gbps on-off keying are successfully realized.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"743-746"},"PeriodicalIF":2.5,"publicationDate":"2026-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362310","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
Particle Manipulation Based on Multiple Optical Potential Wells Using Optical Fiber Tweezers 基于光纤镊子的多光势阱粒子操纵
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-23 DOI: 10.1109/LPT.2026.3666869
Kai Zhang;Hongwei Li;Youxing Li;Tingting Yuan;Xiaotong Zhang;Libo Yuan
{"title":"Particle Manipulation Based on Multiple Optical Potential Wells Using Optical Fiber Tweezers","authors":"Kai Zhang;Hongwei Li;Youxing Li;Tingting Yuan;Xiaotong Zhang;Libo Yuan","doi":"10.1109/LPT.2026.3666869","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666869","url":null,"abstract":"We have constructed an integrated optical fiber tweezers (OFTs) platform based on double-core fibers (DCF) and Coreless fiber (CF), which is designed for trapping multiple particles. In this configuration, the DCF-guided LP01 mode generates two mirror-symmetric Bessel-like beams within the CF. These beams form multiple independent optical potential well arrays at the end face of the CF. Using this OTFs, we successfully achieved stable trapping of three yeast cells. Furthermore, through precise optical power control, we demonstrated the trapping and dynamic rearrangement of three yeast cells.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"723-726"},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147299658","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 Reconfigurable All-Fiber Femtosecond Source With Low Jitter and Programmable Pulse Picking 具有低抖动和可编程脉冲采集的可重构全光纤飞秒源
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-23 DOI: 10.1109/LPT.2026.3666897
Hui Liu;Xinze Rao;Tian Zhang;Jian Dai;Kun Xu
{"title":"A Reconfigurable All-Fiber Femtosecond Source With Low Jitter and Programmable Pulse Picking","authors":"Hui Liu;Xinze Rao;Tian Zhang;Jian Dai;Kun Xu","doi":"10.1109/LPT.2026.3666897","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666897","url":null,"abstract":"We demonstrate a reconfigurable all-fiber femtosecond source with tunable repetition rates from 100 MHz to 1 GHz. The system establishes a rigid 1 GHz time grid via a dispersion-managed passive interleaver, followed by self-synchronized steep-edge electro-optic gating (rise time <40 ps) to temporally decouple switching noise from the signal. This architecture achieves arbitrary pulse picking with single-pulse granularity while experimentally preserving the seed’s intrinsic stability. Hybrid phase noise measurements confirm an integrated RMS timing jitter below 10 fs [1 kHz–1 MHz] and a 38.4 dB extinction ratio. This versatile platform provides oscillator-limited timing fidelity for arbitrary pulse patterns, offering a robust tool for precision-driven applications such as high-speed sampling systems and time-resolved biological imaging.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"775-778"},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147440689","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 Hybrid Neural-Evolutionary Design Framework of All-Dielectric Magnetic-Toroidal Fano Metasurfaces 全介电磁-环形范诺超表面的混合神经进化设计框架
IF 2.5 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2026-02-23 DOI: 10.1109/LPT.2026.3666808
Kai Li;Zhang Chen;Renjing Xu;Renjie Wang
{"title":"A Hybrid Neural-Evolutionary Design Framework of All-Dielectric Magnetic-Toroidal Fano Metasurfaces","authors":"Kai Li;Zhang Chen;Renjing Xu;Renjie Wang","doi":"10.1109/LPT.2026.3666808","DOIUrl":"https://doi.org/10.1109/LPT.2026.3666808","url":null,"abstract":"The design of nanophotonic devices (e.g., metasurfaces) is computationally demanding due to time-consuming electromagnetic simulations. Here, we propose an end-to-end bidirectional design framework integrating a deep learning surrogate model with differential evolution algorithm for all-dielectric metasurfaces exhibiting Fano resonance. Firstly, a multipole decomposition analysis is conducted to reveal the dominance of magnetic dipole and toroidal dipole at the resonance wavelengths, elucidating potential physical mechanisms. Then, a surrogate model trained with finite-difference time-domain (FDTD) data achieves millisecond-level reflectance spectrum prediction with 4.46% average error (99.55% similarity to FDTD), achieving a 38,<inline-formula> <tex-math>$000times $ </tex-math></inline-formula> speedup. Finally, integrated with differential evolution algorithm, it enables inverse design of user-defined spectral features within 10 seconds. This work will promote the design and optimization of high-dimensional parameters, accelerate the inverse design of complex metasurfaces, and reduce trial-and-error costs.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"38 11","pages":"735-738"},"PeriodicalIF":2.5,"publicationDate":"2026-02-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362305","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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