Laser & Photonics Reviews最新文献

英文中文

Planarized Sidewall-Integrated Metafibers for Enhanced Evanescent Field Interaction via Long-Range Resonant Near-Field Coupling 通过远距离共振近场耦合增强倏逝场相互作用的平面化侧壁集成超光纤

IF 11 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.202502639

Chao Zeng, Ding Luo, Xiaotong Zhang, Boqiang Zhang, Jincheng Hu, Ruixue Si, Chenxu Liu, Chenyang Zhao, Xin Xie, Yueqing Du, Xuetao Gan, Jianlin Zhao, Yanxiao Sun, Dong Mao

Metafibers, optical fibers integrated with metasurfaces, have recently emerged as a transformative platform for miniaturized fiber-optic components with advanced functionalities. However, existing metafibers are largely limited to fiber tip integration, where metasurfaces interact dominantly with localized guided modes, thus failing to exploit the inherent potential of fiber sidewalls for long-range evanescent field interaction. Here, we propose a novel metafiber paradigm—integrating metasurfaces on planarized fiber sidewalls—to fully harness the evanescent field mechanism. To this end, we develop a robust in situ fabrication method via a fiber-substrate planarization strategy, enabling direct, large-area, and high-fidelity metasurface patterning on side-polished fibers (SPFs). Numerical simulations reveal that long-range resonant near-field coupling drives cumulative amplification of the evanescent field within the metasurface layer, leading to significant enhancement of both linear and nonlinear optical responses. As a proof of concept, we present a nonlinear metafiber by integrating a 1-cm-long gold nanorod-based metasurface onto an SPF, demonstrating a high-performance saturable absorber (SA). This metafiber SA enables all-fiber ultrafast lasers across all soliton regimes with ultralow mode-locking thresholds. This work establishes a universal methodology for planarized sidewall-integrated metafibers, reshaping the landscape of metafibers, and provides a versatile lab-on-fiber platform for enhanced linear and nonlinear optics.

超光纤，与超表面集成的光纤，最近成为具有先进功能的小型化光纤组件的变革性平台。然而，现有的超光纤很大程度上局限于光纤尖端集成，其中超表面主要与局部引导模式相互作用，因此未能利用光纤侧壁的固有潜力进行远程倏逝场相互作用。在这里，我们提出了一种新的超纤维范式——在平面化的纤维侧壁上集成超表面——以充分利用倏逝场机制。为此，我们通过纤维-衬底平面化策略开发了一种强大的原位制造方法，可以在侧面抛光纤维（SPFs）上实现直接，大面积和高保真的超表面图案。数值模拟表明，长距离谐振近场耦合驱动超表层内倏逝场的累积放大，导致线性和非线性光学响应的显著增强。作为概念验证，我们通过将1厘米长的金纳米棒基超表面集成到SPF上，提出了一种非线性超纤维，展示了一种高性能的饱和吸收剂（SA）。这种超光纤SA使全光纤超快激光器能够跨越所有孤子区域，具有超低锁模阈值。这项工作为平面侧壁集成超光纤建立了一种通用的方法，重塑了超光纤的格局，并为增强的线性和非线性光学提供了一个多功能的光纤实验室平台。

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引用次数: 0

Microscale Intrinsic Fiber Mode Vernier Photothermal Spectroscopy Gas Sensing (Laser Photonics Rev. 20(2)/2026) 微尺度本征光纤模式游标光热光谱气体传感（激光光子学Rev. 20(2)/2026）

IF 1 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.70797

Zhongke Zhao, Chuanwen Qian, Wenjun Ni, Chunyong Yang, Sixiang Ran, Likang Zhang, Perry Ping Shum

Photothermal Gas Sensing

A novel modal Vernier photothermal spectroscopy technique based on a dual-mode anti-resonant hollow-core fiber (BHCF) is demonstrated. The 1 mm-long BHCF-based Fabry-Pérot cavity achieves a minimum detection limit of 12 ppb for acetylene gas, exhibiting rapid response and long-term stability. This compact sensor effectively addresses the challenge of limited light-matter interaction length in intrinsic fiber sensors, offering great promise for highly sensitive gas sensing applications. See Research Article e02114 by Wenjun Ni and co-workers for more details.

光热气体传感

引用次数: 0

Broadband III-V/Lithium Niobate Actively Mode-Locked Lasers 宽带III-V/铌酸锂主动锁模激光器

IF 11 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.202501886

Xujia Zhang, Yuyao Guo, Xiaotian Xue, Tianyi Li, Zekun Cui, Hao Li, Xianfeng Chen, Yuanlin Zheng, Jianping Chen, Kan Wu

Chip-scale optical frequency combs (OFCs) enable integrated solutions for various applications among optical communications, LiDAR, spectroscopy, and radio frequency signal generation. Among integrated OFC platforms, III-V semiconductor mode-locked lasers provide gigahertz repetition rates but often suffer from limited power and tunability due to narrow driving current ranges. Hybrid integration with thin-film lithium niobate (TFLN) has been explored to address these limitations, but previous III-V/TFLN mode-locked lasers exhibited narrow spectral widths, constrained by gain bandwidth and cavity dispersion. This work demonstrates broadband III-V/TFLN integrated actively mode-locked lasers at the telecom band, leveraging a broadband multiple-quantum-well reflective semiconductor optical amplifier (RSOA). A mode-locked laser with a high-reflectivity TFLN mirror generates a 45-nm-span spectrum with a 10-dB bandwidth of 19.1 nm and a beat-note contrast exceeding 60 dB, while another laser with a low-reflectivity RSOA output facet achieves an off-chip output power of 26 mW with a 10-dB bandwidth of 11.4 nm. Numerical simulations based on the Haus's master equation and the generalized nonlinear Schrödinger equation confirm the role of slight inhomogeneous gain in supporting stretched-state pulse solutions and overcoming dispersion-limited spectral narrowing. This work demonstrates outstanding spectral performance and provides a promising route toward broadband, high-power OFC sources for integrated photonic applications.

芯片级光学频率梳（OFCs）为光通信、激光雷达、光谱学和射频信号生成等各种应用提供集成解决方案。在集成OFC平台中，III-V型半导体锁模激光器提供千兆赫兹的重复频率，但由于驱动电流范围窄，功率和可调性往往有限。为了解决这些限制，已经探索了与薄膜铌酸锂（TFLN）的混合集成，但是以前的III-V/TFLN锁模激光器由于受到增益带宽和腔色散的限制，光谱宽度很窄。这项工作展示了宽带III-V/TFLN集成主动锁模激光器在电信频段，利用宽带多量子阱反射半导体光放大器（RSOA）。采用高反射率TFLN反射镜的锁模激光器可产生45 nm的频谱，10 dB带宽为19.1 nm，拍音对比度超过60 dB，而采用低反射率RSOA输出面的激光器可实现26 mW的片外输出功率，10 dB带宽为11.4 nm。基于Haus主方程和广义非线性Schrödinger方程的数值模拟证实了微非均匀增益在支持拉伸态脉冲解和克服色散受限谱窄化中的作用。这项工作展示了出色的频谱性能，并为集成光子应用的宽带、高功率OFC源提供了一条有前途的途径。

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引用次数: 0

Direct Water Thermal Exchange for Laser-Driven Lighting: Achieving Miniature Super-Bright Green Light Source for Underwater Illumination and Broadcast Communication 激光驱动照明的直接水热交换：实现水下照明和广播通信的微型超亮绿色光源

IF 11 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.202503254

Yu-Yan Wang, Jia-Ying Zhao, Yue Zhai, Yu-Bin Kang, Juan Kang, Qiang-Qiang Zhu, Le Wang

Underwater laser-driven lighting is limited by the poor heat dissipation of color converters, which causes luminance saturation and prevents miniaturization. This study presents a direct water thermal exchange method, allowing both the color converter and laser diode to dissipate heat directly into the surrounding water. A water-contact green-emitting Y₃(Al,Ga)₅O₁₂:Ce³⁺ (YAGG:Ce³⁺) phosphor-in-glass (PiG) with a sandwich waterproof structure (SW-PiG) was thus developed as the color converter, maintaining 89% of its luminous intensity even after 40 days of immersion in 80°C seawater. The SW-PiG achieved an underwater illuminance of 2.5 × 10⁵ lux at 15 cm under blue laser excitation, which is 14 times higher than that of a conventional heatsink-based setup (1.8 × 10⁴ lux). Notably, no luminescence saturation was observed even at 25 W laser excitation, while the conventional setup suffered thermal rupture at just 3.5 W. Finally, a miniature, super-bright green light source was demonstrated, highlighting its potential to improve personal diving safety and enable wide-area (60° divergence angle, >40 meters) underwater point-to-multipoint broadcast communication across diverse applications.

水下激光驱动照明受到颜色转换器散热不良的限制，导致亮度饱和，阻碍小型化。本研究提出了一种直接水热交换方法，允许颜色转换器和激光二极管将热量直接散发到周围的水中。因此，开发了一种具有夹层防水结构的水接触绿色发光Y3(Al,Ga) 5012:Ce3+ (YAGG:Ce3+)玻璃中磷（PiG）作为颜色转换器，即使在80°C的海水中浸泡40天后，其发光强度仍保持89%。在蓝色激光激发下，SW-PiG在水下15厘米处的照度达到2.5 × 105勒克斯，比传统的基于散热器的设置（1.8 × 104勒克斯）高14倍。值得注意的是，即使在25 W的激光激发下也没有观察到发光饱和，而传统装置在3.5 W的激光激发下也会发生热破裂。最后，演示了一种微型超亮绿色光源，突出了其提高个人潜水安全性的潜力，并实现了跨各种应用的广域（60°发散角，40米）水下点对多点广播通信。

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引用次数: 0

Mutual Coherence Enhanced Dual-Comb Spectroscopy by Raman Gain Modulation (Laser Photonics Rev. 20(2)/2026) 拉曼增益调制增强互相干双梳光谱学（激光光子学Rev. 20(2)/2026）

IF 1 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.70794

Shaowei Huang, Xinru Cao, Wei Long, Zhi Cheng, Yatan Xiong, Yingjuan Shi, Yan Feng, Fu Yang, Dijun Chen, Jiqiao Liu, Jiaqi Zhou, Weibiao Chen

Novel Dual-Comb Spectroscopy

In Research Article e01971, Jiaqi Zhou, Weibiao Chen, and colleagues propose a mutual coherence enhanced dual-comb spectroscopy system by Raman gain modulation, which operates without active feedback stabilization or post-processing. This approach offers advantages over previously reported methods in terms of low complexity, high stability, and outstanding technical scalability, which make it a viable and practical solution for field-deployable applications.

在研究论文e01971中，周佳琦、陈伟标等提出了一种基于拉曼增益调制的互相干增强双梳光谱系统，该系统无需主动反馈稳定或后处理。与之前报道的方法相比，这种方法在低复杂性、高稳定性和出色的技术可扩展性方面具有优势，这使其成为可现场部署应用程序的可行且实用的解决方案。

引用次数: 0

High-Fidelity Solution Decomposition Fluorescence Tomography in the Presence of Background Interference (Laser Photonics Rev. 20(2)/2026) 背景干扰下高保真溶液分解荧光层析成像（激光光子学vol . 20(2)/2026）

IF 1 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.70793

Jianru Zhang, Linlin Li, Qian Hu, Jieying Zhang, Yanan Wu, Liangtao Gu, Jianfeng Li, Fuyou Li, Xingjun Zhu, Jiahua Jiang, Wuwei Ren

High-Fidelity 3D Fluorescence Imaging with Background Suppression

The cover image depicts the use of solution-decomposition fluorescence molecular tomography technology (SD-FMT) in future surgery. In Research Article e01013, Xingjun Zhu, Jiahua Jiang, Wuwei Ren and co-workers posit that SD-FMT has truly shifted the reconstruction paradigm of the very ill-posed 3D fluorescence reconstruction problem at centimeter-level depth. Background interference and the important fluorescence labeled tumor margin can be disentangled to show lesions more accurately.

高保真三维荧光成像与背景抑制

引用次数: 0

Issue Information: Laser & Photon. Rev. 20(2)/2026 发行信息：Laser & Photon。启20 (2)/ 2026

IF 1 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.70795

引用次数: 0

Topological Charge Tunable High-Purity Vortex Fiber Laser (Laser Photonics Rev. 20(2)/2026) 拓扑电荷可调谐高纯度涡旋光纤激光器（激光光子学Rev. 20(2)/2026）

IF 1 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-22 DOI: 10.1002/lpor.70796

Enlin Cai, Jie Wang, Shuaiyi Zhang, Jianqiu Xu, Min Chen

Tunable High-Purity Vortex Lasers

This cover art illustrates the generation of a tunable, high-purity vortex laser. A complex multimode beam emerges from the large-mode-area fiber. It then passes through a Talbot filter, where a specific vortex phase structure is selectively reconstructed and purified. The final output is a pristine, ring-shaped vortex beam, showcasing the powerful synergy between active fiber amplification and intelligent spatial mode control. See Research Article e02011 by Shuaiyi Zhang, Min Chen and co-workers for more details.

可调谐高纯度涡旋激光器

引用次数: 0

All-Optical Circle Fitting via Vortex-Antivortex Convolution Merging Within a Single Metasurface 单曲面内涡-反涡卷积合并的全光圆拟合

IF 11 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-21 DOI: 10.1002/lpor.202502257

Haotian Zheng, Haiyang Ren, Pengcheng Huo, Yanzeng Zhang, Haocun Qi, Yaqi Jin, Le Tan, Lizhi Fang, Qingbin Fan, Yan-qing Lu, Ting Xu

Circle fitting is a fundamental operation in recognition, localization, and measurement tasks across diverse scientific and technical domains. Traditionally, this process relies on image acquisition and subsequent digital processing, typically implemented via integrated electronic circuits. However, the inherent latency from sequential post-processing poses a significant challenge, particularly in applications that require real-time responsiveness or involve high-throughput data processing. Inspired by the Hough gradient method widely used in computer vision and leveraging the real-time, post-processing-free nature of optical computing, we propose an all-optical circle fitting technique based on a metasurface-integrated 4f spatial filtering system. A pair of optical vortex–antivortex kernels are compactly merged within a single dielectric metasurface, allowing simultaneous gradient extraction and intersection accumulation via passive optical convolution. The proposed framework demonstrates high robustness, accurately detecting circular features across a broad range of radii and structural imperfections. This work establishes a platform for integrated optical shape analysis and underscores the promise of metasurface-enabled optical computing in real-time machine vision and advanced metrology.

圆拟合是识别、定位和测量任务中的一项基本操作，涉及多个科学和技术领域。传统上，这一过程依赖于图像采集和随后的数字处理，通常通过集成电子电路实现。然而，顺序后处理的固有延迟带来了重大挑战，特别是在需要实时响应或涉及高吞吐量数据处理的应用程序中。受计算机视觉中广泛使用的霍夫梯度方法的启发，利用光学计算的实时性和无后处理的特性，我们提出了一种基于超表面集成4f空间滤波系统的全光圆拟合技术。一对光学涡旋-反涡旋核被紧密地合并在一个单一的介质超表面上，通过被动光学卷积允许同时提取梯度和交叉积累。所提出的框架具有高鲁棒性，可以准确地检测大范围半径和结构缺陷的圆形特征。这项工作为集成光学形状分析建立了一个平台，并强调了在实时机器视觉和先进计量中支持超表面的光学计算的前景。

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引用次数: 0

Thermo‐Enhanced Ratiometric Optical Fiber Sensor with Superior Anti‐Interference for Operando Temperature Monitoring in Sodium‐Ion Battery 用于钠离子电池工作温度监测的具有优异抗干扰性能的热增强比例光纤传感器

IF 11 1区物理与天体物理 Q1 OPTICS

Laser & Photonics Reviews

Pub Date : 2026-01-21 DOI: 10.1002/lpor.202502062

Sijie Su, Pengyuan Dong, Fanquan He, Jinjian Yu, Chenghao Yang, Jiulin Gan, Enhai Song, Qinyuan Zhang

Ratiometric luminescent‐material‐based optical fiber temperature sensors (OFTSs) are crucial for advancing emerging sensing applications. However, the thermal quenching and laser‐induced thermal effects in sensing materials pose significant challenges to their practical applications. Herein, by utilizing a phonon‐assisted upconversion (UC) mechanism, thermo‐enhanced near‐infrared UC emissions and inhibited thermal effects are presented in Y 2 Mo 4 O 15 :Yb 3+ /Nd 3+ . Based on thermally coupled emissions of 807/880 nm in this material, a thermo‐enhanced ratiometric OFTS with excellent accuracy ( δ max = 0.12°C), high relative sensitivity ( S Rmax = 1.97%°C −1 ) and low detection limit ( δT min = 0.04°C) is demonstrated. The OFTS exhibits exceptional long‐term operational stability and superior anti‐interference performance against mechanical deformations, pump power variations, and ambient light crosstalk. Furthermore, by non‐destructively embedding this OFTS into a sodium‐ion battery (SIB), the internal states of the SIB during operation can be monitored in real time; thus, the battery's failure under a low operating temperature, performance degradation during long‐term cycling, and thermal runaway risk induced by over‐discharge are revealed. This work not only provides new insights into the design of high‐performance OFTS but also presents a thermo‐enhanced OFTS for safety evaluation in commercial batteries.

基于比率发光材料的光纤温度传感器（OFTSs）对于推进新兴传感应用至关重要。然而，传感材料的热猝灭和激光诱导热效应对其实际应用提出了重大挑战。本文利用声子辅助上转换（UC）机制，在y2mo4o15: yb3 + /Nd 3+中呈现了热增强的近红外UC发射和抑制的热效应。基于该材料807/880 nm的热耦合发射，证明了一种具有优良精度（δ max = 0.12°C）、高相对灵敏度（S Rmax = 1.97%°C - 1）和低检出限（δ t min = 0.04°C）的热增强比率OFTS。OFTS表现出卓越的长期运行稳定性和卓越的抗机械变形、泵功率变化和环境光串扰性能。此外，通过非破坏性地将该OFTS嵌入到钠离子电池（SIB）中，可以实时监测SIB在运行过程中的内部状态；因此，揭示了电池在低工作温度下的失效、长期循环过程中的性能下降以及过放电引起的热失控风险。这项工作不仅为高性能OFTS的设计提供了新的见解，而且还提出了用于商用电池安全评估的热增强OFTS。

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