Ruiqi Jiang, Yongfeng Jia, Fuxing Dai, Xuming Shi, Zhaotan Gao, Zhangxinyu Zhou, Hangrui Shi, Zhihao Wu, Yi Sun, Guoqiang Luo, Jin Wang, Fang Wang, Lin Wang, Jinzhong Zhang, Zhigao Hu, Junhao Chu, Weida Hu
{"title":"Ferroelectric Polarization Enhanced Performance and Broadband Photodetector for Neural Network Recognition","authors":"Ruiqi Jiang, Yongfeng Jia, Fuxing Dai, Xuming Shi, Zhaotan Gao, Zhangxinyu Zhou, Hangrui Shi, Zhihao Wu, Yi Sun, Guoqiang Luo, Jin Wang, Fang Wang, Lin Wang, Jinzhong Zhang, Zhigao Hu, Junhao Chu, Weida Hu","doi":"10.1002/lpor.202500298","DOIUrl":"https://doi.org/10.1002/lpor.202500298","url":null,"abstract":"The polarization electric field provided by ferroelectric materials can achieve precise control of the carrier concentration in van der Waals semiconductors, providing a more flexible, convenient, and efficient new approach for improving the performance and intelligent application of photodetectors. The UV-midinfrared photodetector with a sandwich structure of <span data-altimg=\"/cms/asset/bce2ecc1-c753-479e-983c-5c7625b4c791/lpor70010-math-0001.png\"></span><math altimg=\"urn:x-wiley:18638880:media:lpor70010:lpor70010-math-0001\" display=\"inline\" location=\"graphic/lpor70010-math-0001.png\">\u0000<semantics>\u0000<msub>\u0000<mtext>BP/MoS</mtext>\u0000<mn>2</mn>\u0000</msub>\u0000$text{BP/MoS}_2$</annotation>\u0000</semantics></math>/CIPS, leverages the spontaneous polarization and <span data-altimg=\"/cms/asset/58df755e-f503-4e01-ad90-76db71822c09/lpor70010-math-0002.png\"></span><math altimg=\"urn:x-wiley:18638880:media:lpor70010:lpor70010-math-0002\" display=\"inline\" location=\"graphic/lpor70010-math-0002.png\">\u0000<semantics>\u0000<msup>\u0000<mtext>Cu</mtext>\u0000<mo>+</mo>\u0000</msup>\u0000$text{Cu}^+$</annotation>\u0000</semantics></math> ion migration within CIPS to modify the electric dipole moment at the interface between BP and <span data-altimg=\"/cms/asset/38ec741c-0679-468f-a625-1eb181fb2599/lpor70010-math-0003.png\"></span><math altimg=\"urn:x-wiley:18638880:media:lpor70010:lpor70010-math-0003\" display=\"inline\" location=\"graphic/lpor70010-math-0003.png\">\u0000<semantics>\u0000<msub>\u0000<mtext>MoS</mtext>\u0000<mn>2</mn>\u0000</msub>\u0000$text{MoS}_2$</annotation>\u0000</semantics></math>. This modification induces changes in the built-in electric field between BP and <span data-altimg=\"/cms/asset/bcc1a19e-9896-43cf-8382-e5379629aa01/lpor70010-math-0004.png\"></span><math altimg=\"urn:x-wiley:18638880:media:lpor70010:lpor70010-math-0004\" display=\"inline\" location=\"graphic/lpor70010-math-0004.png\">\u0000<semantics>\u0000<msub>\u0000<mtext>MoS</mtext>\u0000<mn>2</mn>\u0000</msub>\u0000$text{MoS}_2$</annotation>\u0000</semantics></math>, facilitating carrier separation and migration, thereby suppressing dark current and enhancing detectivity. Through gate voltage control, the device achieves an order-of-magnitude improvement in photocurrent, which demonstrates high specific blackbody detectivity, reaching up to 1.17 <span data-altimg=\"/cms/asset/00984309-8cf5-40cd-b397-1804c4281e08/lpor70010-math-0005.png\"></span><math altimg=\"urn:x-wiley:18638880:media:lpor70010:lpor70010-math-0005\" display=\"inline\" location=\"graphic/lpor70010-math-0005.png\">\u0000<semantics>\u0000<mrow>\u0000<mo>×</mo>\u0000<mspace width=\"0.33em\"></mspace>\u0000<msup>\u0000<mn>10</mn>\u0000<mn>10</mn>\u0000</msup>\u0000</mrow>\u0000$times 10^{10}$</annotation>\u0000</semantics></math> cm in the infrared region. Furthermore, high-resolution images of letters are achieved by the <span data-altimg=\"/cms/asset/f2543b12-cc56-4ef2-addc-0bb4c660ec09/lpor70010-math-0006.png\"></span><math altimg=\"urn:x-wiley:18638880:media:lpor70010:lpor70010-math-0006\" display=\"inline\" location=\"graphic/lpor70010-math-0006.png\">\u0000<semantics>\u0000<msub>\u0000<mtext>BP/MoS</mtext>\u0000<mn>2</mn>\u0000</msub>\u0000$","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"35 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144114386","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}
Tian Jin, Shruti Sundar, Yu‐Hang Liu, Chaim Glück, Quanyu Zhou, Zhenyue Chen, Michael Reiss, Lin Tang, Bruno Weber, Daniel Razansky
{"title":"Coordinated Two‐Photon Fluorescence and Optoacoustic Microscopy of Neural, Vascular, and Cellular Dynamics in the Mouse Brain","authors":"Tian Jin, Shruti Sundar, Yu‐Hang Liu, Chaim Glück, Quanyu Zhou, Zhenyue Chen, Michael Reiss, Lin Tang, Bruno Weber, Daniel Razansky","doi":"10.1002/lpor.202500102","DOIUrl":"https://doi.org/10.1002/lpor.202500102","url":null,"abstract":"Imaging techniques capable of visualizing the nervous and vascular systems are essential for uncovering the fundamental mechanisms underlying brain functions. To enable visualization of both systems at the microscale with a streamlined imaging setup, dual‐modal two‐photon fluorescence optoacoustic microscopy (TPOAM) is developed for imaging neuronal calcium activity concurrently with label‐free hemodynamic detection. TPOAM achieves sub‐micron lateral resolution and real‐time multi‐plane imaging capability with temporal resolution down to 100 ms, enabled by a rapid spiral scanning strategy. We subsequently demonstrate in vivo real‐time imaging of murine neuronal activity, cerebral vasculature, and putative leukocyte flow dynamics with the system. TPOAM thus offers a comprehensive platform for studying neural, vascular, and cellular dynamics in the brain.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"20 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113584","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":"Ultra‐Compact Beam Switching Nanolasers","authors":"Xinghong Chen, Mingxuan Gu, Jiankai Tang, Yungang Sang, Bingrui Xiang, Kong Zhang, Guanjie Zhang, Xingyuan Wang, Wei Tao, Xuhan Guo, Linjie Zhou, Wengang Wu, Yifei Mao","doi":"10.1002/lpor.202500413","DOIUrl":"https://doi.org/10.1002/lpor.202500413","url":null,"abstract":"The miniaturization and integration of beam control devices is a key focus in the field. Conventional methods alter the refractive index to modulate the eigenmode of optical cavities, but due to weak nonlinearity, large devices are needed for sufficient light modulation. Metasurfaces are currently an important solution for miniaturized devices, but in which the generation and modulation of light waves can only be performed separately. Here, a miniaturized beam switching device is proposed that utilizes phase change material (Sb<jats:sub>2</jats:sub>Se<jats:sub>3</jats:sub>) to select between different bound states in the continuum (BICs). This device achieves simultaneous light generation and beam switching (33°) in a compact size of 25 × 25 µm<jats:sup>2</jats:sup>, with a low threshold of 6.6 kW cm⁻<jats:sup>2</jats:sup>. It also offers dynamic wavelength tunability up to 296 nm. This method provides efficient control of light by dynamically manipulating topological properties, overcoming the challenges of weak nonlinearity in conventional systems. Additionally, integrating phase change materials with nanolasers enables direct modulation of lasing properties, presenting a new approach for dynamic light control at the nanoscale. The phase change material‐based process is simple, direct, and compatible, offering advantages for on‐chip optoelectronic integration.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"15 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144104315","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}
Peiji Zhou, Hong Zhang, Yuheng Liu, Yuhan Sun, Ting Li, Xiaochuan Xu, Yi Zou
{"title":"All‐Zero Tunneling Rates in an Ultra‐Dense Waveguide Array","authors":"Peiji Zhou, Hong Zhang, Yuheng Liu, Yuhan Sun, Ting Li, Xiaochuan Xu, Yi Zou","doi":"10.1002/lpor.202500207","DOIUrl":"https://doi.org/10.1002/lpor.202500207","url":null,"abstract":"Quantum tunneling, a well‐known phenomenon in finite deep potential wells, serves as the foundation for constructing scanning tunneling microscopes and tunneling diodes. While this phenomenon has proven valuable in integrated devices, it can pose challenges, introducing leakage current in electronic devices or unwanted crosstalk in optical counterparts. Current solutions effectively mitigate tunneling effects to the nearest neighbors; however, addressing tunneling to the 2<jats:sup>nd</jats:sup> and 3<jats:sup>rd</jats:sup> nearest neighbors remains an unresolved challenge in the context of multi‐quantum‐well systems. This study focuses on exploring periodic multi‐quantum‐well structures, aiming to uncover the possibility of achieving all‐zero tunneling rates (AZTR) through a square wave periodic drive. This discovery utilizing an on‐chip optical system is experimentally validated as an analogy. The results unequivocally demonstrate that the approach significantly enhances optical confinement compared to configurations with non‐all‐zero tunneling rates (NAZTR). This breakthrough not only introduces a novel method for suppressing tunneling in multi‐quantum‐well systems but also provides valuable insights into understanding tunneling behavior in quantum systems, holding promise for enhancing the integration density of on‐chip electronic and photonic systems.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"92 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113585","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}
Mengjie Jiang, Shi zhang, Shijian Tian, Kaixuan Zhang, Liu Yang, Dong Wang, Li Han, Libo Zhang, Shicong Hou, Sheng Ni, Kening Xiao, Changlong Liu, Jiale He, Huaizhong Xing, Lin Wang, Xiaoshuang Chen
{"title":"Broadband and Efficient Photon Harvesting of Ta2PdS6 Phototransistor for Imaging and Encoding","authors":"Mengjie Jiang, Shi zhang, Shijian Tian, Kaixuan Zhang, Liu Yang, Dong Wang, Li Han, Libo Zhang, Shicong Hou, Sheng Ni, Kening Xiao, Changlong Liu, Jiale He, Huaizhong Xing, Lin Wang, Xiaoshuang Chen","doi":"10.1002/lpor.202401999","DOIUrl":"https://doi.org/10.1002/lpor.202401999","url":null,"abstract":"High sensitivity and wide-band detection capability at room temperature are the major development trends of optoelectronic devices. 2D noble-transition-metal chalcogenides (NTMCs), a novel class of materials, have emerged with superior optoelectronic attributes compared to conventional 2D transition-metal dichalcogenides and zero-bandgap semimetals. These characteristics include exceptional ultra-high air stability, tunable bandgaps, and high photoresponsivity, positioning NTMCs as a leading material for photodiode applications. Herein, a multilayer Ta<sub>2</sub>PdS<sub>6</sub> photodetector is demonstrated, which has shown remarkable photoresponse across the 520–1550 nm spectrum, with particular effectiveness at 1550 nm, thereby underscoring its promise for optical communication. Moreover, integrating a tunable periodic logarithmic interdigital microstructure has facilitated the extraction of hot carriers from low-energy photons, enabling sub-bandgap terahertz photoconversion. This enabled room-temperature detection and imaging at 0.04–0.30 THz, with the responsivity of 49.6 V W<sup>−1</sup> (0.12 THz) and 7.4 V W<sup>−1</sup> (0.30 THz) at zero bias voltage, and response time faster than 4 µs. Significantly, the Ta<sub>2</sub>PdS<sub>6</sub> photodetector showcased in this study exhibits exceptional stability, a critical attribute for the practical deployment of optoelectronic devices. This work highlights the significant potential of NTMCs in advancing wide-band optoelectronics, laying a solid groundwork for the evolution of future technological innovations in the field.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"9 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144114384","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":"Speckle-Free 3D Holography in the Wigner Domain (Laser Photonics Rev. 19(10)/2025)","authors":"Dapu Pi, Yiqi Ye, Ke Cheng, Min Gu, Xinyuan Fang","doi":"10.1002/lpor.202570038","DOIUrl":"https://doi.org/10.1002/lpor.202570038","url":null,"abstract":"<p><b>Speckle-Free 3D Holograph</b></p><p>In article number 2401828, Xinyuan Fang and co-workers establish an ideal numerical light field mapping physical model from the hologram plane to the 3D image plane for speckle-free 3D holography in the Wigner domain. This model paves the way for the future implementation of speckle-free color 3D holography by harnessing advanced integrated photonic devices, and also offers an efficient and practical route for various optical applications, such as 3D display, optical encryption, beam shaping and optical computing.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"19 10","pages":""},"PeriodicalIF":9.8,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/lpor.202570038","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuting Xu, Zhen Chai, Xiaoqin Meng, Yan Xu, Jie Sun, Peng Zhou
{"title":"Silicon Nitride-Photonics-Enabled Optical Pumping for Optically Pumped Magnetometer (Laser Photonics Rev. 19(10)/2025)","authors":"Yuting Xu, Zhen Chai, Xiaoqin Meng, Yan Xu, Jie Sun, Peng Zhou","doi":"10.1002/lpor.202570039","DOIUrl":"https://doi.org/10.1002/lpor.202570039","url":null,"abstract":"<p><b>Optical Pumping</b></p><p>The cover feature highlights the key elements of the study by Zhen Chai and co-workers outlined in article number 2402292: a silicon nitride photonic integrated circuit (PIC), laser beams used for optical pumping, the spin precession of <sup>87</sup>Rb atoms, and the resulting signal. The design visually represents how the PIC transforms fiber-coupled 795 nm pump light into arrayed elliptically polarized beams, effectively manipulating atomic spin states within the vapor cell. This integration of photonic chips with atomic magnetometry opens new possibilities for compact, high-resolution quantum sensing applications.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"19 10","pages":""},"PeriodicalIF":9.8,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/lpor.202570039","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100735","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Chen Chen, Chunyi Niu, Wange Song, Shining Zhu, Tao Li, Din Ping Tsai
{"title":"Tunable Vector Polarization Transformation Enabled by Meta-Cavity","authors":"Chen Chen, Chunyi Niu, Wange Song, Shining Zhu, Tao Li, Din Ping Tsai","doi":"10.1002/lpor.202500434","DOIUrl":"https://doi.org/10.1002/lpor.202500434","url":null,"abstract":"Polarization transformation plays a key role in applications of photonics and quantum optics. Traditional bulky optical components are inadequate for miniaturized systems, while metasurfaces offer a revolutionary solution, but still face challenges with vector polarization tunability. Here, a tunable vector polarization transformation mechanism is introduced, utilizing a bifacial metasurfaces enabled meta-cavity. By adjusting the cavity length and phase modulations to achieve complex interferences of two spin light, diverse vector polarization transformations are demonstrated on higher-order and hybrid-order Poincaré spheres. The results outline a powerful paradigm to realize vector polarization transformations in a tunable way and can open new possibilities for applications in optical communications, encryption, and beyond.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"15 1","pages":""},"PeriodicalIF":11.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144114383","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}