Laser & Photonics Reviews最新文献

{"title":"Simultaneous Probing of Electron Density and Temperature Dynamics Inside Air Plasma with Intense Terahertz Pulses (Laser Photonics Rev. 19(1)/2025)","authors":"Minghao Zhang, Guoyang Wang, Yizhuo Zhang, Wen Xiao, Cunlin Zhang, Yi Liu, Vladimir Tikhonchuk, Liangliang Zhang","doi":"10.1002/lpor.202570002","DOIUrl":"https://doi.org/10.1002/lpor.202570002","url":null,"abstract":"","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"1 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142935829","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}

{"title":"NIR-to-NIR Lifetime Based Thermometry with the Thermally Elongated Luminescence Kinetics Driven by Structural Phase Transition in LiYO2:Yb3+","authors":"Muhammad T. Abbas, Maja Szymczak, Vasyl Kinzhybalo, Marek Drozd, Lukasz Marciniak","doi":"10.1002/lpor.202401108","DOIUrl":"https://doi.org/10.1002/lpor.202401108","url":null,"abstract":"Among the various techniques used in luminescence thermometry, luminescence kinetics is considered the least sensitive to perturbations related to the optical properties of the medium containing the phosphor. For this reason, temperature sensing and imaging using lifetime-based luminescence thermometers are of high interest for a wide range of specific applications. However, for most such thermometers, an increase in temperature leads to a shortening in lifetime, which can hinder the specificity and accuracy of the readout. In this work, an approach is presented that utilizes a thermally induced increase in the symmetry of the host material associated with a structural phase transition in LiYO₂:Yb³⁺. Consequently, the lifetime of the excited level ²F_5/2 of the Yb³⁺ ion is thermally prolonged, achieving a relative sensitivity of 0.5%/K. The phase transition temperature can be controlled by adjusting the dopant concentration. Additionally, thermal changes in the emission spectrum enable the use of LiYO₂:Yb³⁺ for ratiometric temperature readout with a relative sensitivity of 5.3%/K at 280K for LiYO₂:5%Yb³⁺.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"9 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142936526","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}

{"title":"Integrated Arbitrary Multimode TM‐Pass Polarizer Based on Anisotropic Optical Manipulation (Laser Photonics Rev. 19(1)/2025)","authors":"Xudong Zhou, Li Chen, Hongtao Liao, Yongheng Jiang, Huifu Xiao, Jianhong Yang, Mingrui Yuan, Yu He, Yong Zhang, Yikai Su, Yonghui Tian","doi":"10.1002/lpor.202570001","DOIUrl":"https://doi.org/10.1002/lpor.202570001","url":null,"abstract":"","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"48 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142935584","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}

{"title":"Efficient Emission of Lanthanide Ion in Double Perovskite Nanocrystals Enabled by Synergistic Effect of Energy Level Modulation and Crystal-Field Engineering","authors":"Songchao Bai, Gencai Pan, Chao Li, Yinhua Wang, Xueguo Li, Jiwei Wang, Gang Yang, Yongsheng Zhu","doi":"10.1002/lpor.202401614","DOIUrl":"https://doi.org/10.1002/lpor.202401614","url":null,"abstract":"Trivalent lanthanide (Ln³⁺) ions with ladderlike 4f energy levels, as dopants, can endow luminescent matrix with more diverse optoelectronic properties, and a wider application. However, their luminescent intensity is usually limited by the parity forbidden transition rule and the energy level mismatch between the host and dopant. Herein, Ln³⁺ ions doped Cs₂Na_1-xK_xY_0.97Sb_0.03Cl₆ nanocrystals (NCs) are prepared, and the photoluminescence quantum yields of all samples with visible and near-infrared emissions have surprisingly reached over 50%, therein, the value of Tb³⁺ doped Cs₂Na_0.6K_0.4Y_0.97Sb_0.03Cl₆ NCs is dramatically up to 83.3%, which is a new breakthrough in the field of lead-free perovskite NCs. From the first principles calculations, crystal structure, and spectroscopic analysis, this benefits from the synergistic effect of deformation energy levels provided by Sb³⁺ ions doping and crystal field environment distortion induced K⁺ ions doping. That is, the localized distortion of the crystal field induced by K⁺ ions doping causes energy level splitting of Sb³⁺ ions, resulting in more effective energy transfer efficiency from the host to Ln³⁺ ions, simultaneously introducing opposite odd parity, and breaking the forbidden transition rule, promoting luminescence intensity of Ln³⁺ ions. This work will open a route to develop efficient Ln³⁺ ions doped luminescent materials.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"74 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142936422","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}

{"title":"3D Terahertz Confocal Imaging with Chromatic Metasurface","authors":"Xiaolong You, Rajour Tanyi Ako, Sharath Sriram, Withawat Withayachumnankul","doi":"10.1002/lpor.202401011","DOIUrl":"https://doi.org/10.1002/lpor.202401011","url":null,"abstract":"Terahertz confocal imaging allows 3D see-through of a non-metallic object with high resolution. Conventional methods acquiring 3D images of thick objects suffer from limited depth-of-field, constrained depth resolution, and/or inconsistent spatial resolution at different depths. To address these limitations, the intrinsic chromatic aberration of a typical focusing metasurface is exploited to achieve frequency-dependent focal lengths. An object located within this extended focal range can be readily 3D inspected by performing 2D raster scans. A rigorous analysis reveals that the focal spot maintains a constant waist diameter of 2.4 mm (equivalent to 2.2<span data-altimg=\"/cms/asset/199d96d8-9b3c-41ae-916f-9bf46c897bd9/lpor202401011-math-0001.png\"></span><mjx-container ctxtmenu_counter=\"2\" ctxtmenu_oldtabindex=\"1\" jax=\"CHTML\" role=\"application\" sre-explorer- style=\"font-size: 103%; position: relative;\" tabindex=\"0\"><mjx-math aria-hidden=\"true\" location=\"graphic/lpor202401011-math-0001.png\"><mjx-semantics><mjx-msub data-semantic-children=\"0,1\" data-semantic- data-semantic-role=\"greekletter\" data-semantic-speech=\"lamda 0\" data-semantic-type=\"subscript\"><mjx-mi data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"italic\" data-semantic- data-semantic-parent=\"2\" data-semantic-role=\"greekletter\" data-semantic-type=\"identifier\"><mjx-c></mjx-c></mjx-mi><mjx-script style=\"vertical-align: -0.15em;\"><mjx-mn data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"normal\" data-semantic- data-semantic-parent=\"2\" data-semantic-role=\"integer\" data-semantic-type=\"number\" size=\"s\"><mjx-c></mjx-c></mjx-mn></mjx-script></mjx-msub></mjx-semantics></mjx-math><mjx-assistive-mml display=\"inline\" unselectable=\"on\"><math altimg=\"urn:x-wiley:18638880:media:lpor202401011:lpor202401011-math-0001\" display=\"inline\" location=\"graphic/lpor202401011-math-0001.png\" xmlns=\"http://www.w3.org/1998/Math/MathML\"><semantics><msub data-semantic-=\"\" data-semantic-children=\"0,1\" data-semantic-role=\"greekletter\" data-semantic-speech=\"lamda 0\" data-semantic-type=\"subscript\"><mi data-semantic-=\"\" data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"italic\" data-semantic-parent=\"2\" data-semantic-role=\"greekletter\" data-semantic-type=\"identifier\">λ</mi><mn data-semantic-=\"\" data-semantic-annotation=\"clearspeak:simple\" data-semantic-font=\"normal\" data-semantic-parent=\"2\" data-semantic-role=\"integer\" data-semantic-type=\"number\">0</mn></msub>$lambda _{0}$</annotation></semantics></math></mjx-assistive-mml></mjx-container> at 275 GHz) and migrates 68.1 mm (equivalent to 62.4<span data-altimg=\"/cms/asset/a75a3dbe-670c-4aac-bceb-98a34cdf80e9/lpor202401011-math-0002.png\"></span><mjx-container ctxtmenu_counter=\"3\" ctxtmenu_oldtabindex=\"1\" jax=\"CHTML\" role=\"application\" sre-explorer- style=\"font-size: 103%; position: relative;\" tabindex=\"0\"><mjx-math aria-hidden=\"true\" location=\"graphic/lpor202401011-math-0002.png\"><mjx-semantics><mjx-msub data-semantic-children=\"0,1\" data","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"46 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142935286","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}

{"title":"Tailored Metal-Oxygen Bonding in Amorphous Perovskite CoSnO3 for Broadband Ultrafast Laser State Active Manipulation","authors":"Linghao Kong, Hongwei Chu, Shang Gao, Zhongben Pan, Han Pan, Ying Li, Kong Gao, Shengzhi Zhao, Dechun Li","doi":"10.1002/lpor.202401834","DOIUrl":"https://doi.org/10.1002/lpor.202401834","url":null,"abstract":"Amorphous perovskite CoSnO₃ has attracted significant attention due to its unique properties and various modification methods. However, modifying metal-oxygen bonds on the nonlinear optical (NLO) characteristics remains uncharted. In this study, a dehydration method is employed to convert the metal-hydroxyl bonds (M─OH) of hydroxide CoSn(OH)₆ into metal-oxygen bonds (M─O), successfully preparing amorphous CoSnO₃ with oxygen vacancies. Subsequently, effective regulation of the metal-oxygen bonds in amorphous CoSnO₃ is achieved through an ion exchange strategy, yielding Fe-doped CoSnO₃ (Fe-CoSnO₃). Comprehensive characterization and analysis revealed that the regulation of metal-oxygen bonds accelerated the electron transition rate, resulting in a fast recovery time of ≈245.1 fs for Fe-CoSnO₃, accompanied by a significant boost in broadband NLO properties. Notably, when Fe-CoSnO₃ is utilized as a saturable absorber (SA), it exhibited superior mode-locking characteristics compared to CoSnO₃ in the range of 1–2 µm. Specifically at the communication band of 1.5 µm, the dynamic switching between single-wavelength and dual-wavelength mode-locking operations is achieved. With the ultrafast laser state manipulation, a digital encoding is also demonstrated. This work confirmed that the tailoring of metal-oxygen bonds makes Fe-CoSnO₃ an excellent NLO material for ultrafast optical applications, and this tailoring strategy provides new insights for designing advanced NLO materials.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"21 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142929381","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}

{"title":"Chirp‐Managed, High‐Energy, Low‐Repetition Mamyshev Oscillator Based on Hollow Core Fiber","authors":"Jikun Yan, Duanyang Xu, Di Lin, Hans Christian H. Mulvad, Seyed Mohammad Abokhamis Mousavi, Yongmin Jung, David Richardson, Francesco Poletti, Lin Xu","doi":"10.1002/lpor.202401910","DOIUrl":"https://doi.org/10.1002/lpor.202401910","url":null,"abstract":"Mamyshev oscillator (MO) represents a powerful mode‐locking technique to produce high energy and ultrashort pulses from a fiber system. However, it is challenging to achieve low repetition rates directly from an oscillator while fully exploiting the outstanding characteristics of MOs due to the constraint of large dispersion and high nonlinearity of conventional solid‐core fibers. Here, a new method of combining a low‐dispersion and low‐nonlinearity hollow‐core fiber (HCF) with the MO is proposed to overcome the problem, achieving a reduction in repetition rate from 20 to 1 MHz and realizing sub‐50 fs pulses. Furthermore, the HCF provides anomalous dispersion and offers chirp management in the 1 MHz MO, effectively improving the pulse energy from 381 nJ (20 MHz all‐normal‐dispersion MO) to 514 nJ. The influence of intracavity chirp management is investigated by numerical simulations. To the best of our knowledge, it is the first time of realizing high‐energy sub‐50 fs pulses at 1 MHz repetition rate directly from an oscillator. The maximum peak power of the output pulses is more than 100 times higher than the previously reported low‐repetition ultrafast fiber lasers. This high‐performance laser has good potential for applications such as high‐precision micromachining, high‐order nonlinear microscopy imaging, and femtosecond‐laser‐assisted chemical ionization mass spectroscopy.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"14 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142929125","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}

{"title":"Abnormal Unidirectional Lasing from the Combined Effect of non-Hermitian Modulated Bound States in the Continuum and Fabry–Pérot Resonance","authors":"Yun-tuan Fang, Fan Bu, Sailing He","doi":"10.1002/lpor.202400964","DOIUrl":"https://doi.org/10.1002/lpor.202400964","url":null,"abstract":"To transform bound state-in-continuum (BIC)-related unidirectional radiation into BIC-related unidirectional lasing, a 1-D grating with a parity-time (PT)-symmetry configuration is proposed. Through non-Hermitian modulation, the BIC undergoes an asymmetric split in the –<i>k</i> and +<i>k</i> spaces. Abnormal phenomena have also been observed. The asymmetric BIC makes the grating either a gain cavity or a loss cavity depending on the incident direction of the plane wave. With plane wave incidence, the grating exhibits Fano resonance with energy conservation. However, for diverging light incident from a line source or a Gaussian source, the coupling of the gain cavity and loss cavity produces a new phenomenon, unidirectional and single-mode lasing with an interesting wavefront transformation from a diverging wave to a unidirectional plane wave. The physical mechanism is explained by the joint effect of the asymmetric PT-BICs and cavity resonance.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"34 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142929330","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}

{"title":"Adaptive Structured-Light 3D Surface Imaging with Cross-Domain Learning","authors":"Xinsheng Li, Shijie Feng, Wenwu Chen, Ziheng Jin, Qian Chen, Chao Zuo","doi":"10.1002/lpor.202401609","DOIUrl":"https://doi.org/10.1002/lpor.202401609","url":null,"abstract":"The rapid development of artificial intelligence (AI) technology is leading a paradigm shift in optical metrology, from physics- and knowledge-based modeling to data-driven learning. In particular, the integration of structured-light techniques with deep learning has garnered widespread attention and achieved significant success due to its capability to enable single-frame, high-speed, and high-accuracy 3D surface imaging. However, most algorithms based on deep neural networks (DNNs) face a critical challenge: <i>they assume the training and test data are independent and identically distributed, leading to performance degradation when applied across different image domains, especially when test images are acquired from unseen systems and environments</i>. A cross-domain learning framework for adaptive structured-light 3D imaging is proposed to address this challenge. This framework's adaptability is enhanced by a novel mixture-of-experts (MoE) architecture, capable of dynamically synthesizing a network by integrating contributions from multiple expert DNNs. Experimental results demonstrate the method exhibits superior generalization performance across diverse systems and environments over both “specialist” DNNs developed for fixed domains and “generalist” DNNs trained by brute-force approaches. This work offers fresh insights into substantially enhancing the generalization of deep-learning-based structured-light 3D imaging and advances the development of versatile, robust AI-driven optical metrology techniques.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"8 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142929331","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}

{"title":"α-Fe2O3 Nanocubes as High-Performance Anode for Supercapacitor","authors":"Umisha Singh, Mitali Patra, Amit K. Chakraborty, Shobha Shukla, Sumit Saxena","doi":"10.1002/adsu.202400704","DOIUrl":"https://doi.org/10.1002/adsu.202400704","url":null,"abstract":"The ability to store charge through both Faradaic and non-Faradaic mechanisms in transition metal oxide-based nanomaterials have made them a popular choice for use as electrode materials in energy storage devices. Of these nanostructured iron oxides, especially Fe₂O_3, forms one of the most preferred choices of material as supercapacitor anode due to low cost, non-toxicity, high abundance and availability of variable oxidation states. In this study, the synthesis of nanostructured Fe₂O₃ nanocubes is presented via the hydrothermal method using a mixed solvent system. The annealed α-Fe₂O₃ nanocubes show a superior specific capacitance of 908 F g⁻¹ as compared to 796 F g⁻¹ for the as prepared samples at a current density of 2A g⁻¹, The high specific capacity of Fe₂O₃ nanocubes can be ascribed to the availability and exposure of active sites for charge storage, low charge transfer resistance (Rct) and reversible electrochemical reactions involving Fe²⁺/Fe³⁺ ions. Further, the assembled two-electrode asymmetric device α-Fe₂O₃//NiO shows the energy density of 25.31Wh Kg⁻¹ at a power density of 759.3 W Kg⁻¹, with capacitance retention of 70% after 1000 cycles. These findings underscore the viability of α-Fe₂O₃ nanocubes as a promising material for the development of next-generation supercapacitors, with profound implications for the advancement of sustainable energy storage solutions.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"1 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142929382","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}