Laser & Photonics Reviews最新文献

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Nonstoichiometry Tailored Energy Flow Pathway Toward Multicolor Dynamic Thermo‐Stimulated Luminescence (DTSL) and Smart Optical Information Storage 多色动态热激发光(DTSL)和智能光信息存储的非化学计量定制能量流途径
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202501049
Xiangyu Wang, Hengbo Liu, Dongling Geng, Jia Li, Jiawen Fan, Liwei Wu, Ying Zhang, Junming Liu, Jiao Cui, Jun Lin, Yingdong Han, Tong Wei, Wei Huang
{"title":"Nonstoichiometry Tailored Energy Flow Pathway Toward Multicolor Dynamic Thermo‐Stimulated Luminescence (DTSL) and Smart Optical Information Storage","authors":"Xiangyu Wang, Hengbo Liu, Dongling Geng, Jia Li, Jiawen Fan, Liwei Wu, Ying Zhang, Junming Liu, Jiao Cui, Jun Lin, Yingdong Han, Tong Wei, Wei Huang","doi":"10.1002/lpor.202501049","DOIUrl":"https://doi.org/10.1002/lpor.202501049","url":null,"abstract":"Luminescent materials, with their multidimensional photon modulation and sensitivity to intrinsic/extrinsic stimuli, underpin emerging technologies spanning ultrahigh‐density data storage, high‐power lighting, and ultra‐sensitive detection. While static luminescence dominates conventional applications, dynamic luminescent systems offer superior information capacity through spatiotemporal light evolution and multiplexing. However, this paradigm shift is hindered by activator paucity and similar luminescence kinetics that confine most systems to monochromatic intensity variations. Here, this chromatic stagnation is broken through a dynamic thermo‐stimulated luminescence (DTSL) platform exhibiting temperature‐gated temporal evolution of dual‐emission intensity ratios, enabling quantized and visible chromatic transitions from green→cyan→blue. It originates from the dynamic interplay between blue emission (derived from deep‐level oxygen vacancy centers) and green luminescence (generated by Eu<jats:sup>2</jats:sup>⁺ activators) and thus tunable relative intensity, under the premise of the concerted modulation of defect concentration and energy level positioning. Mechanism studies reveal that nonstoichiometric doping creates a hierarchical defect architecture, where controlled energy partitioning between deep and shallow defects governs the time‐resolved chromatic trajectory. Beyond establishing a general framework for dynamic luminescence design, the work rationally manipulates the fundamental relationship between defect architecture and photonic information, opening previously unfeasible multicolor DTSL avenues for optical multiplexing.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"51 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electro‐Optic‐Locked, Frequency‐Agile Integrated Pockels Laser Driving Ultra‐Precise Ranging 电光锁定,频率灵活集成口袋激光驱动超精确测距
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202500245
Yilin Wu, Shuai Shao, Xiaojun Han, Qiyin Xue, Sigang Yang, Hongwei Chen, Minghua Chen
{"title":"Electro‐Optic‐Locked, Frequency‐Agile Integrated Pockels Laser Driving Ultra‐Precise Ranging","authors":"Yilin Wu, Shuai Shao, Xiaojun Han, Qiyin Xue, Sigang Yang, Hongwei Chen, Minghua Chen","doi":"10.1002/lpor.202500245","DOIUrl":"https://doi.org/10.1002/lpor.202500245","url":null,"abstract":"Integrated semiconductor lasers drive advancements in modern information society, with their transition to III‐V/external cavity structures enhancing coherence and tunability for diverse coherent detection applications. However, challenges remain in key aspects of integrated lasers including close‐to‐carrier frequency noise and chirp nonlinearity. This work presents an electro‐optic‐locked, frequency‐agile integrated Pockels laser to address these problems. It applies a self‐injection locking architecture based on lithium niobate on insulator platform, combining a 10‐MHz tuning operation and an over‐4‐GHz chirp bandwidth. Leveraging the Pockels dynamics for real‐time electro‐optic locking, it realizes an integral linewidth of 2.58 kHz @ 1 ms and a relative chirp nonlinearity of , which sets a record in integrated Pockels lasers. This Pockels laser directly drives precise ranging, where consistent results across 100 measurements are achieved for both 26‐m LiDAR ranging and 20‐km fiber ranging, featuring centimeter‐level resolutions. Furthermore, its long‐term coherence is highlighted by demonstrating signal‐to‐noise ratio improvement via coherent pulse accumulation. Unifying high coherence, broadband and precise tunability, and high‐speed operation, this Pockels laser opens up new opportunities in LiDAR and fiber sensing, and is expected to promote microwave photonics, quantum computing and beyond.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"20 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing Realism in Holographic Augmented Reality Displays Through Occlusion Handling 通过遮挡处理增强全息增强现实显示的真实感
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202501052
Woongseob Han, Chanseul Lee, Jae‐Hyeung Park
{"title":"Enhancing Realism in Holographic Augmented Reality Displays Through Occlusion Handling","authors":"Woongseob Han, Chanseul Lee, Jae‐Hyeung Park","doi":"10.1002/lpor.202501052","DOIUrl":"https://doi.org/10.1002/lpor.202501052","url":null,"abstract":"In this paper, an occlusion‐capable holographic augmented‐reality (AR) display is proposed, and its ability to enhance AR imagery through occlusion is demonstrated. Holographic displays can generate ideal 3D virtual images and have recently shown rapid advancements, particularly in noise reduction through learning‐based approaches. However, these displays still face challenges in improving image quality for AR scenarios because holographic virtual images are simply superimposed onto the real world, leading to a loss of contrast and visibility. To address this, occlusion optics, which can mask designated areas of the real world, is incorporated into holographic AR displays. The proposed system employs a folded 4f system with a digital micromirror device and sequentially operates as both a real‐world mask and an active Fourier filter. This approach transforms traditionally translucent holographic images into perceptually opaque ones while simultaneously eliminating unwanted noise terms from pixelated holographic displays. Furthermore, active Fourier filtering expands the virtual image field of view through time‐multiplexed operation and supports a novel binary hologram optimization algorithm that performs especially well for sparse virtual content. The implementation successfully achieves opaque holographic 3D image presentation, significantly improving contrast and image quality while producing highly realistic 3D AR scenes with optically cast shadows.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"93 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mitigating Carrier Accumulation for Highly Efficient and Stable Extended Shortwave Photodiode Based on PbSe Colloidal Quantum Dots 基于PbSe胶体量子点的高效稳定扩展短波光电二极管的减载流子积累
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202500420
Ruiguang Chang, Qiuyang Yin, Minghui Wan, Qiulei Xu, Zhenghui Wu, Huaibin Shen
{"title":"Mitigating Carrier Accumulation for Highly Efficient and Stable Extended Shortwave Photodiode Based on PbSe Colloidal Quantum Dots","authors":"Ruiguang Chang, Qiuyang Yin, Minghui Wan, Qiulei Xu, Zhenghui Wu, Huaibin Shen","doi":"10.1002/lpor.202500420","DOIUrl":"https://doi.org/10.1002/lpor.202500420","url":null,"abstract":"Extended shortwave (eSWIR: 2–2.8 µm) photodiodes based on PbSe colloidal quantum dots (CQDs) have emerged recently. Though the quality of eSWIR PbSe CQDs has been improved significantly, the PbSe CQD‐based photodiodes showed low external quantum efficiency (EQE) and poor stability under self‐driven photovoltaic mode, due to the residual reactive oxygen species (ROS) and carrier accumulation at interfaces. In this work, the ROS is removed by immerging the ZnO layer with 1,2‐ethanodithiol solvent before deposition of PbSe CQD layer, so that the storage stability of the photodiodes improved dramatically. On the other hand, a novel strategy is introduced to mitigate the carrier accumulation, in which a thin p‐type interlayer is inserted into the electron extraction interface. This strategy is universally effective in suppressing the carrier extraction barriers induced by Fermi level equilibration effects at interfaces. Finally, PbSe photodiodes achieve a record zero‐bias EQE of 17% in the eSWIR region. Due to the suppressed noise, the PbSe photodiodes in self‐driven mode demonstrate a specific detectivity of 5.7 Jones at the first excitonic peak of <jats:italic>λ</jats:italic> = 2.35 µm, which is comparable to self‐driven eSWIR photodiodes based on bulk InGaAs. Besides, this strategy also dramatically improved the working stability of the photodiodes.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"40 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unprecedented Mixed Low‐Dimensional Metal Halide Double Perovskite for Stable and Efficient X‐Ray Detection 前所未有的混合低维金属卤化物双钙钛矿,用于稳定和高效的X射线探测
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202500276
Wenhui Wu, Guirong Chen, Yueying Wang, Jianbo Wu, Zeng‐Kui Zhu, Panpan Yu, Ying Zeng, Hui‐Ping Xiao, Huawei Yang, Lijun Xu, Kuanhai Li, Yong Wang, Junhua Luo
{"title":"Unprecedented Mixed Low‐Dimensional Metal Halide Double Perovskite for Stable and Efficient X‐Ray Detection","authors":"Wenhui Wu, Guirong Chen, Yueying Wang, Jianbo Wu, Zeng‐Kui Zhu, Panpan Yu, Ying Zeng, Hui‐Ping Xiao, Huawei Yang, Lijun Xu, Kuanhai Li, Yong Wang, Junhua Luo","doi":"10.1002/lpor.202500276","DOIUrl":"https://doi.org/10.1002/lpor.202500276","url":null,"abstract":"Double perovskites have shown great promise for direct X‐ray detection due to their nontoxic nature and excellent phase stability. However, mixed low‐dimensional double perovskites are still a virgin land with direct X‐ray detection. Here, a millimeter‐scale mixed low‐dimensional double perovskite (4‐AP)<jats:sub>5</jats:sub>AgBi<jats:sub>3</jats:sub>Br<jats:sub>20</jats:sub> (1, 4‐AP = 4‐amidinopyridine) is successfully synthesized with a coexistence of 1D–0D structural motifs. Noteworthily, the 0D motif is isolated {BiBr₆} octahedra and the 1D unit is the infinite chain ({AgBi₂Br₁₄}<jats:sub>∞</jats:sub>). This is the first reported mixed low‐dimensional (1D–0D) structure in Ag‐Bi double perovskite. The unique 1D‐0D architecture incorporates N─H···Br hydrogen bonding and π–π interactions, which enhances material stability, restricts ion migration, and raises the ionic mobility activation energy (<jats:italic>E</jats:italic><jats:sub>a</jats:sub>) to 0.87 eV in the parallel direction (∥). Furthermore, 1 single crystal detector exhibits high sensitivity (1567.0 µC Gy<jats:sup>−1</jats:sup> cm<jats:sup>−2</jats:sup>, ∥), and an ultra‐low detection limit (38.1 nGy s<jats:sup>−1</jats:sup>, ∥) which is more than 100 times lower than the conventional medical diagnostic value of 5.5 µGy s<jats:sup>−1</jats:sup>. In addition, 1 detector further achieves ultralow dark current drift (3.42 × 10<jats:sup>−9</jats:sup> nA cm<jats:sup>−1</jats:sup> s<jats:sup>−1</jats:sup> V<jats:sup>−1</jats:sup>, at 100 V, ∥). This study knocks on the door of novel mixed low‐dimensional double perovskite with stable and efficient X‐ray detection performances.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"7 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Circularly Polarized Luminescent Halide Perovskites: Research Progress and Prospective 圆偏振发光卤化物钙钛矿:研究进展与展望
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202402178
Ming Yuan, Xuebing Wen, Xiao‐Fang Jiang, Lakshminarayana Polavarapu, Guofu Zhou, Xiaowen Hu
{"title":"Circularly Polarized Luminescent Halide Perovskites: Research Progress and Prospective","authors":"Ming Yuan, Xuebing Wen, Xiao‐Fang Jiang, Lakshminarayana Polavarapu, Guofu Zhou, Xiaowen Hu","doi":"10.1002/lpor.202402178","DOIUrl":"https://doi.org/10.1002/lpor.202402178","url":null,"abstract":"Halide perovskites have recently emerged as promising candidates for circularly polarized light (CPL) emission due to their outstanding optical properties. While ligand‐induced chiral perovskites exhibit CPL activity, their practical application is hindered by intrinsically low luminescence dissymmetry factors (g<jats:sub>lum</jats:sub>) and suboptimal luminescence quantum yields. To address these challenges and advance perovskite‐based chiroptical devices, innovative strategies have been explored. This review systematically summarizes recent progress in CPL emission in achiral perovskites, focusing on four key approaches: i) photonic crystal engineering, ii) chiral material assistance, iii) nanostructure morphology control, and iv) external‐field manipulation. The merits and limitations of each method, highlighting unresolved challenges in materials design and device integration, are critically analyzed. Finally, an outlook on emerging directions for achieving fundamental advances in CPL devices is presented for next‐generation photonic and spintronic applications.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"37 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Next Generation Biophotonics Technologies for Clinical Applications in Detecting Gastric Cancer: A Comprehensive Review 新一代生物光子学技术在胃癌检测中的临床应用综述
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202401612
Jodie Chuan Yue Foo, Rabia'tul A'dawiah, Keertana Vinod Ram, Nuraini Zailani, Derrick Yong, Jayakumar Perumal, Malini Olivo, U. S. Dinish
{"title":"Next Generation Biophotonics Technologies for Clinical Applications in Detecting Gastric Cancer: A Comprehensive Review","authors":"Jodie Chuan Yue Foo, Rabia'tul A'dawiah, Keertana Vinod Ram, Nuraini Zailani, Derrick Yong, Jayakumar Perumal, Malini Olivo, U. S. Dinish","doi":"10.1002/lpor.202401612","DOIUrl":"https://doi.org/10.1002/lpor.202401612","url":null,"abstract":"Gastric cancer (GC) is a major global health concern, ranking as the fifth most common malignancy and one of the leading causes of cancer‐related deaths worldwide. This comprehensive review centers on the progress in biophotonics technologies for the early detection of GC over the last decade, aiming to address the constraints posed by traditional endoscopic tools and proteomics analytical methods for the detection. Herein, an array of diverse techniques such as, narrow band imaging, confocal laser endomicroscopy, Raman spectroscopy, surface enhanced Raman spectroscopy, Fourier transform infrared spectroscopy, diffuse reflectance spectroscopy, fluorescence spectroscopy, optical coherence tomography, polarization optical spectroscopy and other technologies are reviewed and their relative merits and demerits for GC detection and diagnosis are provided by comparing their sensitivity, ease of use, and methodology in operation. This paper explores the advancements and future perspectives of technical improvements needed in biophotonics technologies for the early detection of GC. Through interdisciplinary collaboration and validation studies, biophotonics technologies are envisioned to deliver the full spectrum of benefits for all stakeholders. This is anticipated to bring about a significant improvement in the early detection of GC with the potential for widespread clinical adoption.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"629 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nonvolatile Continuously Tunable Integrated Optical Router 非易失性连续可调集成光路由器
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202500281
Jingzhe Pang, Haonan Ren, Ran Chen, Yang Ren, Yangbo Wu, Qiyuan Yi, Li Shen, Shuang Zhang, Tun Cao
{"title":"Nonvolatile Continuously Tunable Integrated Optical Router","authors":"Jingzhe Pang, Haonan Ren, Ran Chen, Yang Ren, Yangbo Wu, Qiyuan Yi, Li Shen, Shuang Zhang, Tun Cao","doi":"10.1002/lpor.202500281","DOIUrl":"https://doi.org/10.1002/lpor.202500281","url":null,"abstract":"Reconfigurable optical routers integrated into waveguides are vital for on‐chip all‐optical connectivity, promising revolutionary flexibility and efficiency for classical and quantum optical information processing. Conventional reconfiguration methods (thermo‐optic, free carrier dispersion, Pockels effect) often suffer from bulky sizes or high static power consumption, limiting scalability. We demonstrate, for the first time, a nonvolatile continuously tunable integrated optical router on a CMOS‐backend silicon‐on‐insulator (SOI) platform. This router employs Mach‐Zehnder optical switches with antimony sulfide (Sb₂S₃) phase shifters. Utilizing the Sb₂S₃ cell's nonvolatile phase change via a doped silicon microheater enables continuous forward switching and over 7 bits (128 levels) of reverse switching with zero static power. The nearly pure phase tuning capability of 0.3 dB/π achieves a high extinction ratio exceeding 18 dB. The phase shifter exhibits an insertion loss below 0.6 dB and endured over 1500 switching cycles using electrical pulses of varying voltage/duration for Joule heating. Additionally, the phase shifter supports MHz‐speed volatile switching via the thermo‐optic effect. This continuously tunable method provides superior precision over traditional non‐volatile multilevel techniques and effectively mitigates accumulated transmission errors in large‐scale Optical Network‐on‐Chip (ONoC) systems, removing a major obstacle to practical optical communication and computing implementation.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"48 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144566008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A MHz−Level Swept Source by Time Stretching the Shot−Noise Limited Supercontinuum Based on a Mode−Locked Laser and the Application in Optical Coherence Tomography 基于锁模激光的脉冲噪声受限超连续谱时间拉伸MHz级扫频源及其在光学相干层析成像中的应用
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202500743
Laiyang Dang, Wenhao Zhu, Shuyuan Zhu, Yujia Li, Yihuan Shi, Qian Li, Feng Li, Dongmei Huang
{"title":"A MHz−Level Swept Source by Time Stretching the Shot−Noise Limited Supercontinuum Based on a Mode−Locked Laser and the Application in Optical Coherence Tomography","authors":"Laiyang Dang, Wenhao Zhu, Shuyuan Zhu, Yujia Li, Yihuan Shi, Qian Li, Feng Li, Dongmei Huang","doi":"10.1002/lpor.202500743","DOIUrl":"https://doi.org/10.1002/lpor.202500743","url":null,"abstract":"The performance of swept−source optical coherence tomography (SS−OCT) is fundamentally limited by a critical trade‐off between achievable imaging range and imaging speed. Current supercontinuum broadening swept source is usually above tens of MHz, which severely restricts the detection distance and application scope of the SS−OCT system. Here, a MHz−level mode−locked laser supercontinuum−based SS−OCT is first presented, with an axial resolution of 11.4 µm and a long imaging range with a 6 dB sensitivity roll−off length of 119 mm. A low−repetition−rate mode‐locked laser with 5.7 MHz is built as the seed laser based on low‐nonlinear large‐mode‐area fiber (LMAF), which is then used to achieve low‐noise and high‐coherence spectral broadening through all‐normal dispersion (ANDi) fiber. A single−pulse operation with long−term stability and self−starting can be achieved without any active feedback control. Notable, the average cross−correlation coefficient between different scanning cycles is as high as 0.997, and the coefficient of variation (CV) is 0.074%, indicating that the constructed swept source has excellent repeatability and high coherence. This work demonstrates the possibility of generating the low−repetition−rate mode−locked laser and MHz swept laser with high coherence and low noise characteristics, which contributes to the development of ultrafast laser and applications of SS−OCT.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"79 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Competitive Growth of Sb2Se3 Micro‐Nanostructures Advancing Full‐Color Polarization Imaging in Scattering Environments Sb2Se3微纳米结构的竞争生长促进了散射环境下的全彩色偏振成像
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2025-07-05 DOI: 10.1002/lpor.202500711
Tao He, Peng Wan, Peng Guo, Huijie Feng, Yun Wei, Daning Shi, Caixia Kan, Mingming Jiang
{"title":"Competitive Growth of Sb2Se3 Micro‐Nanostructures Advancing Full‐Color Polarization Imaging in Scattering Environments","authors":"Tao He, Peng Wan, Peng Guo, Huijie Feng, Yun Wei, Daning Shi, Caixia Kan, Mingming Jiang","doi":"10.1002/lpor.202500711","DOIUrl":"https://doi.org/10.1002/lpor.202500711","url":null,"abstract":"Low‐dimensional semiconductors, which exhibit strong anisotropy of electrical conductance and optical response, provide a forward‐looking candidate to guide the future advancement of next‐generation polarization‐sensitive photodetection and imaging systems. However, the narrow operating bandwidths that result in serious loss of spectral information limit their employment in polychromatic settings. Herein, full‐color polarization imaging utilizing an anisotropic Sb<jats:sub>2</jats:sub>Se<jats:sub>3</jats:sub> microwire photodetector is demonstrated. Leveraging a vapor‐solid phase deposition method with spatially confined regulation, this study competitively grows low‐dimensional Sb<jats:sub>2</jats:sub>Se<jats:sub>3</jats:sub> single crystals featuring high‐stability, environmental friendliness, broadband response, noteworthy electrical, and optoelectrical anisotropies, which rejuvenate its potential in the realm of polarization‐sensitive photodetection. Designed for self‐biased operation, an Sb₂Se₃ microwire Schottky‐junction photodetector achieves broadband photodetection from ultraviolet to near‐infrared wavelengths, positioning it competitively among analogous devices. Remarkably, the detector demonstrates strong polarization‐sensitive detection across the full visible to near‐infrared spectrum (400–1000 nm), achieving an outstanding polarization anisotropy ratio exceeding 8.5. Leveraging its strong polarization sensitivity (&gt;8.5 anisotropy ratio), the detector achieves high‐fidelity RGB polarized imaging, as demonstrated through successful reconstruction of targets in light‐scattering environments. By developing newly‐designed synthesis strategies for van der Waals layered materials, this study enables next‐generation full‐spectrum photodetectors with high polarization sensitivity, addressing critical needs in advanced optical systems.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"152 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144565900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","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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