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Single Pixel Optical Encryption in Atmospheric Turbulence 大气湍流中的单像素光学加密
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-13 DOI: 10.1109/LPT.2025.3579541
Yin Cheng;Jun Ke;Yusen Liao
{"title":"Single Pixel Optical Encryption in Atmospheric Turbulence","authors":"Yin Cheng;Jun Ke;Yusen Liao","doi":"10.1109/LPT.2025.3579541","DOIUrl":"https://doi.org/10.1109/LPT.2025.3579541","url":null,"abstract":"Atmospheric turbulence causes random distortions in optical signals transmitted through the air. This paper proposes a method to improve image recovery using a single-pixel detector and a deep learning network designed to reduce turbulence effects in optical communication. Hadamard patterns are used to encrypt light from a target into ciphertext, which is measured by the single-pixel detector. Differential calculations then retrieve a degraded image after decryption. To enhance image quality, we incorporate a channel attention mechanism in the DeepRFTECA network for better feature fusion and use a ResFFT-Conv block to effectively integrate residual information. This approach ensures secure transmission and high-quality image recovery, demonstrated with remote sensing data and optical experiments.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 18","pages":"1061-1064"},"PeriodicalIF":2.3,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144519334","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
High-Sensitivity Strain Sensor Using Chaotic Correlation FLRD With Weak Fiber Bragg Grating 基于弱光纤光栅的混沌相关FLRD高灵敏度应变传感器
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-13 DOI: 10.1109/LPT.2025.3579495
Xiaomin Fu;Weijie Ding;Linlin Fan;Ruixin Yang;Juanfen Wang;Yuxin Bai;Lingzhen Yang
{"title":"High-Sensitivity Strain Sensor Using Chaotic Correlation FLRD With Weak Fiber Bragg Grating","authors":"Xiaomin Fu;Weijie Ding;Linlin Fan;Ruixin Yang;Juanfen Wang;Yuxin Bai;Lingzhen Yang","doi":"10.1109/LPT.2025.3579495","DOIUrl":"https://doi.org/10.1109/LPT.2025.3579495","url":null,"abstract":"A weak fiber Bragg grating is used as the sensing element. The relationship between the ring down time of autocorrelation curves of the chaotic laser and the wavelength shift of the FBG caused by strain is analyzed theoretically and experimentally. The effect of strain on the central wavelength of the FBG is characterized by the ring down time of autocorrelation curve of the reflected and transmitted signals of the fiber loop cavity. The reflected signal achieves a maximal sensitivity of 0.67731 ns/<inline-formula> <tex-math>$mu varepsilon $ </tex-math></inline-formula> in the 0-<inline-formula> <tex-math>$100mu varepsilon $ </tex-math></inline-formula> and 500-<inline-formula> <tex-math>$600mu varepsilon $ </tex-math></inline-formula> ranges, where spectral interaction is weak, while the transmitted signal provides a maximal sensitivity of 0.1093 ns/<inline-formula> <tex-math>$mu varepsilon $ </tex-math></inline-formula> in the 100-<inline-formula> <tex-math>$500mu varepsilon $ </tex-math></inline-formula> range. With an 8.2 m fiber loop cavity, this dual-signal method significantly extends the measurement range while maintaining high sensitivity throughout the detection range.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 18","pages":"1065-1068"},"PeriodicalIF":2.3,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144519327","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
Visible Light Positioning Using a Single LED and a Single Rotatable Photodetector 使用单个LED和单个可旋转光电探测器进行可见光定位
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-12 DOI: 10.1109/LPT.2025.3578979
Hanyang Shi;Caiyi Wang;Yan Zhao
{"title":"Visible Light Positioning Using a Single LED and a Single Rotatable Photodetector","authors":"Hanyang Shi;Caiyi Wang;Yan Zhao","doi":"10.1109/LPT.2025.3578979","DOIUrl":"https://doi.org/10.1109/LPT.2025.3578979","url":null,"abstract":"We investigate an indoor VLP system consisting of a single LED and a single rotatable photodetector (PD) based on the received signal strength (Liu et al., 2022). Based on the VLP system, we propose a least-square (LS) positioning algorithm. In order to analyse the influence of rod length and each rotation angle on the positioning accuracy, the Cramér-Rao lower bound (CRLB) on the positioning error of the VLP system is derived. We take advantage of the derived CRLB to choose the appropriate rod length and each rotation angle. In our VLP system, we only need to rotate the PD 4 times to achieve centimeter-level positioning accuracy. Simulation and practical experiment results show that in terms of positioning accuracy and receiver rotation times, our VLP system is significantly superior to the VLP system (Liu et al., 2022). Moreover, there is no positioning blind spots in our VLP system.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 18","pages":"1033-1036"},"PeriodicalIF":2.3,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144481843","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
Quantum Dot-Based Visible Light Communication System for Microalgal Density Analysis 基于量子点的可见光通信微藻密度分析系统
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-11 DOI: 10.1109/LPT.2025.3578611
Hua Xiao;Mingxin Liu;Kishwar Khan;Wensong Wang;Caiming Sun
{"title":"Quantum Dot-Based Visible Light Communication System for Microalgal Density Analysis","authors":"Hua Xiao;Mingxin Liu;Kishwar Khan;Wensong Wang;Caiming Sun","doi":"10.1109/LPT.2025.3578611","DOIUrl":"https://doi.org/10.1109/LPT.2025.3578611","url":null,"abstract":"This research presents a visible light communication (VLC) system integrated with quantum dots (QDs), which utilizes light emissions across the blue, green, yellow, and red spectra to assess microalgal density under various conditions. The bit error rate (BER) of the VLC system serves as an intermediary metric to determine microalgal density by analyzing the linear and nonlinear trends of BERs under different data rates and light colors. The maximum average accuracies achieved for <italic>E. marina</i> and <italic>I. galbana</i> samples are 0.97 and 0.98, respectively, when using blue and yellow light. The proposed method offers high feasibility and flexible color options for microalgal density assessment, with potential applications in smart microalgae cultivation and marine environmental monitoring.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 17","pages":"1001-1004"},"PeriodicalIF":2.3,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144481836","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
High-Order Modes Assisted Ultra-Long Silicon Multimode Waveguide Grating Antennas 高阶模辅助超长硅多模波导光栅天线
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-11 DOI: 10.1109/LPT.2025.3578641
Zhipeng Ma;Kang Li;Yu Zhang;Jian Wang
{"title":"High-Order Modes Assisted Ultra-Long Silicon Multimode Waveguide Grating Antennas","authors":"Zhipeng Ma;Kang Li;Yu Zhang;Jian Wang","doi":"10.1109/LPT.2025.3578641","DOIUrl":"https://doi.org/10.1109/LPT.2025.3578641","url":null,"abstract":"Waveguide grating antennas (WGAs) are key transmitting components for integrated optical phased arrays (OPAs). However, the typical WGAs in 220 nm silicon-on-insulator (SOI) platform suffer from high perturbation loss for TE<sub>0</sub> mode. In this letter, we experimentally demonstrated two ultra-long silicon multimode WGAs by TE<sub>1</sub> and TM<sub>1</sub> modes. We also fabricated two high-performance mode (de)multiplexers for generating TE<sub>1</sub> and TM<sub>1</sub> modes input. The optimized TE<sub>1</sub>-WGA and TM<sub>1</sub>-WGA losses are 3.58 dB/mm and 1.10 dB/mm at 1550 nm wavelength, while the measured losses are as low as 3.22 dB/mm and 1.59 dB/mm. The corresponding beam divergences with 3 mm antenna lengths are 0.0286° and 0.0267° at 1550 nm wavelength, respectively. To the best of our knowledge, this is the first demonstration of high-order mode multiplexed WGAs.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 17","pages":"1005-1008"},"PeriodicalIF":2.3,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144481937","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
High-Resolution Prism/(TiO2/SiO2)3/MoSe2 Bloch Surface Wave Biosensor Based on Bragg Structure 基于Bragg结构的高分辨率Prism/(TiO2/SiO2)3/MoSe2 Bloch表面波生物传感器
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-11 DOI: 10.1109/LPT.2025.3578543
Moamen Shahbazi;Keyhan Hosseini;Mohammad Razaghi
{"title":"High-Resolution Prism/(TiO2/SiO2)3/MoSe2 Bloch Surface Wave Biosensor Based on Bragg Structure","authors":"Moamen Shahbazi;Keyhan Hosseini;Mohammad Razaghi","doi":"10.1109/LPT.2025.3578543","DOIUrl":"https://doi.org/10.1109/LPT.2025.3578543","url":null,"abstract":"A dielectric Bragg structure is utilized based on a one-dimensional photonic crystal of alternating TiO<sub>2</sub>/SiO<sub>2</sub> layers as a sensor. MoSe<sub>2</sub> termination layer is exploited to excite a Bloch surface wave (BSW) at its interface with the analyte. The light source excites the biosensor through a MgF<sub>2</sub> prism at a wavelength of 1100 nm. The proposed biosensor operates based on the variation of the resonance angle due to changes in the refractive index of the biological material, i.e. from 1.33 to 1.34. For ten MoSe<sub>2</sub> monolayers, the detection sensitivity is obtained as 287 (°/RIU) with a linear regression coefficient of 0.9953. Correspondingly, the maximum and average values of the figure of merit (FoM) amount to 7316 and 6913(1/RIU), respectively. By decreasing the number of monolayers, the linearity improves and the FoM increases remarkably at the cost of a reduction in the average sensitivity. Such large FoMs provide ultra-high resolutions to distinguish between analytes with very close refractive indices. This is useful in detecting slight changes in the cell concentrations within a host medium. No grating is used in the proposed sensor, which simplifies the fabrication process.","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 17","pages":"985-988"},"PeriodicalIF":2.3,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144481925","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 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 : 2025-06-10 DOI: 10.1109/LPT.2025.3565432
{"title":"IEEE Photonics Technology Letters publication information","authors":"","doi":"10.1109/LPT.2025.3565432","DOIUrl":"https://doi.org/10.1109/LPT.2025.3565432","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 10","pages":"C2-C2"},"PeriodicalIF":2.3,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11029672","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255732","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
Women in Engineering 工程领域的女性
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-10 DOI: 10.1109/LPT.2025.3572235
{"title":"Women in Engineering","authors":"","doi":"10.1109/LPT.2025.3572235","DOIUrl":"https://doi.org/10.1109/LPT.2025.3572235","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 12","pages":"683-683"},"PeriodicalIF":2.3,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11029641","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255651","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
=Introducing IEEE Collabratec =介绍IEEE collabatec
IF 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-10 DOI: 10.1109/LPT.2025.3572233
{"title":"=Introducing IEEE Collabratec","authors":"","doi":"10.1109/LPT.2025.3572233","DOIUrl":"https://doi.org/10.1109/LPT.2025.3572233","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 12","pages":"684-684"},"PeriodicalIF":2.3,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11029683","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255711","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 2.3 3区 工程技术
IEEE Photonics Technology Letters Pub Date : 2025-06-10 DOI: 10.1109/LPT.2025.3565446
{"title":"IEEE Photonics Technology Letters publication information","authors":"","doi":"10.1109/LPT.2025.3565446","DOIUrl":"https://doi.org/10.1109/LPT.2025.3565446","url":null,"abstract":"","PeriodicalId":13065,"journal":{"name":"IEEE Photonics Technology Letters","volume":"37 11","pages":"C2-C2"},"PeriodicalIF":2.3,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11029643","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144255726","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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