Laser & Photonics Reviews最新文献

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Efficient Spectral Broadening and Few‐Cycle Pulse Generation with Multiple Thin Liquid Films 利用多层液体薄膜实现高效频谱展宽和少周期脉冲发生
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-06 DOI: 10.1002/lpor.202301191
Jiacheng Huang, Xiang Lu, Feilong Hu, Yu Deng, Jie Long, Jiajun Tang, Lixin He, Qingbin Zhang, Pengfei Lan, Peixiang Lu
{"title":"Efficient Spectral Broadening and Few‐Cycle Pulse Generation with Multiple Thin Liquid Films","authors":"Jiacheng Huang, Xiang Lu, Feilong Hu, Yu Deng, Jie Long, Jiajun Tang, Lixin He, Qingbin Zhang, Pengfei Lan, Peixiang Lu","doi":"10.1002/lpor.202301191","DOIUrl":"https://doi.org/10.1002/lpor.202301191","url":null,"abstract":"High‐energy, few‐cycle laser pulses are essential for numerous applications in the fields of ultrafast optics and strong‐field physics, due to their ultrafast temporal resolution and high peak intensity. In this work, different from the traditional hollow‐core fibers and multiple thin solid plates, the generation of an octave‐spanning supercontinuum broadening is demonstrated by utilizing multiple ultrathin liquid films (MTLFs) as the nonlinear media. The continuum covers a range from 380 to 1050 nm, corresponding to a Fourier transform limit pulse width of 2.5 fs when 35 fs Ti: sapphire laser pulse is applied on the MTLFs. The output pulses are compressed to 3.9 fs by employing chirped mirrors. Furthermore, a continuous high‐order harmonic spectrum up to the 33rd order is realized by subjecting the compressed laser pulses to interact with Kr gas. The utilization of flowing liquid films eliminates permanent optical damage and enables wider and stronger spectrum broadening. Therefore, this MTLFs scheme provides new solutions for the generation of highly efficient supercontinuum and nonlinear pulse compression, with potential applications in the fields of strong‐field physics and attosecond science.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142144393","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
Gouy Phase Induced Optical Skyrmion Transformation in Diffraction Limited Scale 衍射有限尺度下的古伊相诱导光学天壤转换
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-06 DOI: 10.1002/lpor.202400327
Jian Chen, Xi Shen, Qiwen Zhan, Cheng-Wei Qiu
{"title":"Gouy Phase Induced Optical Skyrmion Transformation in Diffraction Limited Scale","authors":"Jian Chen, Xi Shen, Qiwen Zhan, Cheng-Wei Qiu","doi":"10.1002/lpor.202400327","DOIUrl":"https://doi.org/10.1002/lpor.202400327","url":null,"abstract":"Optical skyrmions are topologically stable quasiparticles that can be constructed with electric field, spin angular momentum, polarization Stokes vector, pseudospin, etc. In this letter, both theoretical and experimental studies are carried out to reveal the role of Gouy phase in the topology transformation during the tight focusing of Stokes skyrmions. The Stokes skyrmionic beam can be constructed by superposing two orthogonally polarized components with orthogonal spatial modes. The Gouy phase produced in the focused field depends on the orbital angular momentum carried by the high order mode component of the incident Stokes skyrmionic beam. While the beam size of the focused field is diffraction limited, the variation of the Stokes vectors in the skyrmion topology is in the sub-diffraction limited scale. The presented results shed light on the understanding of the topology transformation between the incident and the tightly focused fields, paving the way for engineering the optical skyrmions in micro-nano scale and their applications in information processing, quantum technology, metrology, etc.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142843","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
Radiation Dynamics and Manipulation of Extreme Terahertz Surface Wave on a Metal Wire 金属线上极端太赫兹表面波的辐射动力学与操控
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-05 DOI: 10.1002/lpor.202400954
Jianshuo Wang, Zhijun Zhang, Shiyi Zhou, Zhiyong Qin, Changhai Yu, Yuteng Cao, Yan Lv, Jiaming Chen, Huali Huang, Weiwei Liu, Jiansheng Liu
{"title":"Radiation Dynamics and Manipulation of Extreme Terahertz Surface Wave on a Metal Wire","authors":"Jianshuo Wang, Zhijun Zhang, Shiyi Zhou, Zhiyong Qin, Changhai Yu, Yuteng Cao, Yan Lv, Jiaming Chen, Huali Huang, Weiwei Liu, Jiansheng Liu","doi":"10.1002/lpor.202400954","DOIUrl":"https://doi.org/10.1002/lpor.202400954","url":null,"abstract":"Recent reports on sub-terahertz (THz) generation from a laser-irradiated wire might have evaded the most essential contents of the wire radiation dynamics. Here, the origin of terahertz generation from a metal wire is revisited and a comprehensive diagnosis of the terahertz radiation from a 100 µm-diameter tungsten wire irradiated by an intense femtosecond laser is implemented. For the first time, the long-neglected but more efficient high-frequency terahertz radiation is experimentally observed of which the spectra, polarization, tunability, and wire-length-dependent intensification are investigated comprehensively. A new picture of the wire radiation dynamics is presented to reveal the origin of the extreme terahertz surface wave, its evolution, and radiation mechanism. This extremely intense and ultrashort half-cycle surface wave is spontaneously induced by a laser-driven transient charge-separation field and evolves into a multi-cycle surface wakefield structure as it propagates along the wire owing to the self-interaction between the surface wave and its carrier, the surface current. By manipulating the coupling and transport dynamics of the surface wave on the wire, tunable and intensified THz radiation covering a wide range from 0.1 to 20 THz has been realized, paving the way for broad applications such as terahertz acceleration, bio-medicine, nonlinear THz science and beyond.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142860","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
Unusual Nonlinear Absorption Switching in Mixed‐Halide Perovskites by Light‐Induced Halide Segregation 通过光诱导卤化物偏析实现混合卤化物包晶石中非同寻常的非线性吸收切换
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-05 DOI: 10.1002/lpor.202400564
Guan‐Feng Gao, Ze‐Kai Chen, Ke‐Sheng Lin, Ze‐Lin Li, Hao‐Tian Gu, Yu Gao, Yu Miao, Yongbo Wu, Xiaowen Hu, Lakshminarayana Polavarapu, Xiao‐Fang Jiang
{"title":"Unusual Nonlinear Absorption Switching in Mixed‐Halide Perovskites by Light‐Induced Halide Segregation","authors":"Guan‐Feng Gao, Ze‐Kai Chen, Ke‐Sheng Lin, Ze‐Lin Li, Hao‐Tian Gu, Yu Gao, Yu Miao, Yongbo Wu, Xiaowen Hu, Lakshminarayana Polavarapu, Xiao‐Fang Jiang","doi":"10.1002/lpor.202400564","DOIUrl":"https://doi.org/10.1002/lpor.202400564","url":null,"abstract":"Mixed‐halide perovskites (MHPs) have emerged as important semiconductor materials for optoelectronic devices due to the bandgap tunability by halide composition. However, their device applications are hampered by light‐induced ion migration and halide segregation, leading to the formation of lower bandgap domains with red‐shifted photoluminescence. Previous studies of phase segregation in MHPs have predominantly focused on their linear optical properties. Herein, nonlinear absorption (NLA) properties of MAPbBr<jats:sub>2</jats:sub>I films before and after femtosecond laser irradiation are investigated using the Micro‐I‐scan technique. An unusual NLA switching from reverse‐saturable absorption (RSA) to saturable absorption (SA) under intense laser illumination is found. It is unveiled that the initial RSA originates from two‐photon absorption in uniform bromide‐rich regions of as‐prepared film whereas the SA occurs due to state filling effect in the newly generated low bandgap I‐rich phases under laser irradiation. The switching threshold and effective NLA coefficient are highly dependent on the distribution of halide ions, which is controllable through the laser illumination time. Furthermore, an all‐optical logic gate scheme is demonstrated based on the unusual NLA switching. The results not only unveil that halide segregation results in NLA switching in MHPs but also pave the way for the realization of MHPs‐based nonlinear photonic devices.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142378","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
Ultrasensitive Terahertz Fingerprint Retrieval with Multiple‐BIC‐Enabled Meta‐Sensors 利用多 BIC 元传感器进行超灵敏太赫兹指纹检索
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-05 DOI: 10.1002/lpor.202400825
Quanlong Yang, Zhibo Yao, Lei Xu, Yapeng Dou, Lingli Ba, Fan Huang, Quan Xu, Longqing Cong, Jianqiang Gu, Junliang Yang, Mohsen Rahmani, Jiaguang Han, Ilya Shadrivov
{"title":"Ultrasensitive Terahertz Fingerprint Retrieval with Multiple‐BIC‐Enabled Meta‐Sensors","authors":"Quanlong Yang, Zhibo Yao, Lei Xu, Yapeng Dou, Lingli Ba, Fan Huang, Quan Xu, Longqing Cong, Jianqiang Gu, Junliang Yang, Mohsen Rahmani, Jiaguang Han, Ilya Shadrivov","doi":"10.1002/lpor.202400825","DOIUrl":"https://doi.org/10.1002/lpor.202400825","url":null,"abstract":"Bound states in the continuum (BICs) are an excellent platform enabling highly efficient light–matter interaction in applications for lasing, nonlinear generation, and sensing. However, the current focus in implementing BICs has primarily been on single sharp resonances, limiting the extent of electric field enhancement for multiple resonances. In this study, experimental demonstrations are conducted to showcase how metasurfaces can enable the control of symmetry‐broken and Friedrich–Wintgen BICs by leveraging the asymmetry of split resonant rings. This approach allows for the existence of multiple free‐control BIC resonances and tailored enhancement of controlling light–matter interactions. Further experiments are conducted to validate the effectiveness and performance of meta‐sensors for the identification of the distinct fingerprint of <jats:italic>α</jats:italic>‐lactose with high sensitivity using only one single metasurface. These findings present a novel and efficient platform for the development of miniaturized and chip‐scale photonics devices with intense light–matter interaction.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142377","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
Colloidal Copper(I) Iodide Cluster‐Based Scintillators for High‐Resolution X‑Ray Imaging 用于高分辨率 X 射线成像的碘化铜(I)簇基胶体闪烁体
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-05 DOI: 10.1002/lpor.202400963
Jingfei Ni, Qian Cao, Kang Xiao, Kun Gang, Shujuan Liu, Xiangmei Liu, Qiang Zhao
{"title":"Colloidal Copper(I) Iodide Cluster‐Based Scintillators for High‐Resolution X‑Ray Imaging","authors":"Jingfei Ni, Qian Cao, Kang Xiao, Kun Gang, Shujuan Liu, Xiangmei Liu, Qiang Zhao","doi":"10.1002/lpor.202400963","DOIUrl":"https://doi.org/10.1002/lpor.202400963","url":null,"abstract":"Copper(I) halide cluster‐based coordination compounds have attracted significant attention in the development of novel scintillators due to their mild synthesis methods, high luminescence efficiency, tunable emission wavelength, high‐Z element incorporation, and large structural diversity. However, a major obstacle for these crystalline materials with covalent/coordination network structures is their insolubility, which poses significant challenges for the low‐cost and large‐scale production of scintillation films. In this study, copper(I) iodide and benzotriazole derivative ligands with diverse cationic substituents are employed to fabricate all‐in‐one (AIO) colloidal copper(I) iodide cluster‐based scintillator suspensions. These suspensions, characterized by distinctive ionic and coordination bonds, are synthesized via confined growth in the presence of polyvinylpyrrolidone (PVP). Furthermore, they demonstrate exceptional compatibility with polymer matrices, facilitating the production of uniform and flexible scintillation films with highly efficient radioluminescence through blade coating. The resulting films achieved an excellent spatial resolution of 17 lp mm<jats:sup>−1</jats:sup>. This surfactant‐assisted fabrication method for colloidal scintillators, combined with microelectronic printing for film preparation, demonstrates significant potential for developing flexible scintillation films for high‐resolution X‐ray imaging.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142715","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
Realizing Near‐Unity Photoluminescence Quantum Yield in Metal Halide RbCdCl3:Mn2+ Crystals via Phase Transformation Engineering 通过相变工程实现金属卤化物 RbCdCl3:Mn2+ 晶体的近极光量子产率
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-05 DOI: 10.1002/lpor.202401147
Yan Song, Zhen Jia, Pifu Gong, Zhigang Wang, Changchun Yuan, Mingxing Chen, Jing Zhao, Xinhui Li, Yanjiao Zhang, Mingjun Xia
{"title":"Realizing Near‐Unity Photoluminescence Quantum Yield in Metal Halide RbCdCl3:Mn2+ Crystals via Phase Transformation Engineering","authors":"Yan Song, Zhen Jia, Pifu Gong, Zhigang Wang, Changchun Yuan, Mingxing Chen, Jing Zhao, Xinhui Li, Yanjiao Zhang, Mingjun Xia","doi":"10.1002/lpor.202401147","DOIUrl":"https://doi.org/10.1002/lpor.202401147","url":null,"abstract":"All‐inorganic metal halides have merged as auspicious materials for optoelectronic applications due to their predominant tunable and controlled photoluminescence (PL) properties. Despite substantial efforts and advances in the development of these all‐inorganic metal halides, considerable long‐term challenges remain to be solved to realize cutting‐edge material performances. Here, an all‐inorganic metal halide RbCdCl<jats:sub>3</jats:sub>, featuring a reversible structural phase transformation from non‐perovskite (orthorhombic‐phase) to perovskite (tetragonal‐phase) structure is reported. Intriguingly, via phase transformation regulation engineering, a near‐unity photoluminescence quantum yield (PLQY) along with large Stokes shift (275 nm) and long decay lifetime (14.69 ms) is achieved in RbCdCl<jats:sub>3</jats:sub>:Mn<jats:sup>2+</jats:sup> thermochromic fluorescent materials, comparing with the pristine non‐pervoskite structure with an initial PLQY of 3.1%. Moreover, the underlying PL switching mechanisms are systematically elucidated by the in situ optical characterizations and the first‐principles calculations. This work demonstrates a thermochromic fluorescent anti‐counterfeiting material based on the tunable and reversible photoluminescence switching and also provides a phase structure engineering in metal halides to broaden their manifold applications in optoelectronic fields.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142380","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
Integrated Quad‐Color Nanoprinting and Tri‐Channel Holographic Encryption Meta‐Marks with Printable Metasurfaces 集成四色纳米印刷和三通道全息加密元标记与可印刷元表面
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-05 DOI: 10.1002/lpor.202401045
Jintao Gong, Lingxing Xiong, Fei Zhang, Mingbo Pu, Minghui Hong, Xiangang Luo
{"title":"Integrated Quad‐Color Nanoprinting and Tri‐Channel Holographic Encryption Meta‐Marks with Printable Metasurfaces","authors":"Jintao Gong, Lingxing Xiong, Fei Zhang, Mingbo Pu, Minghui Hong, Xiangang Luo","doi":"10.1002/lpor.202401045","DOIUrl":"https://doi.org/10.1002/lpor.202401045","url":null,"abstract":"Optical metasurfaces offer innovative approaches to manipulate the amplitude, phase, frequency, and polarization of light in localized regions, thus paving the way for a viable technology that can be applied in various domains, including structural coloration, multiplexed holography, and high‐resolution displays. To address the escalating need for sophisticated encryption, a novel quadruple‐security flexible plasmonic anti‐counterfeiting platform is proposed that utilizes printable centimeter‐scale (0.6 cm) metasurfaces. These metasurfaces feature four distinct signatures: They appear as color images under ambient incoherent white light, while projecting up to three different holograms under red, green, or blue circularly polarized laser illumination. Such holographic color nanoprintings are not only easily authenticated but also difficult to imitate, offering enhanced security in anti‐counterfeiting applications. The design of these multifunctional metasurfaces, which encode information solely in the surface relief of a single polymeric material with a silver coating, allows for efficient mass production through UV nanoimprinting lithography. Given the superior performance of these multifunctional plasmonic metasurfaces, this work presents tremendous potential in various fields such as multi‐level information security, cost‐effective anti‐counterfeiting, and many others.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142379","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
Broadband and Reconfigurable Dual‐Mode Optical Switch with Low Power‐Consumption 低功耗宽带可重构双模光开关
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-05 DOI: 10.1002/lpor.202400427
Shijie Sun, Shangrong Li, Yuanhua Che, Tianhang Lian, Yushu Fu, Xibin Wang, Daming Zhang
{"title":"Broadband and Reconfigurable Dual‐Mode Optical Switch with Low Power‐Consumption","authors":"Shijie Sun, Shangrong Li, Yuanhua Che, Tianhang Lian, Yushu Fu, Xibin Wang, Daming Zhang","doi":"10.1002/lpor.202400427","DOIUrl":"https://doi.org/10.1002/lpor.202400427","url":null,"abstract":"Mode‐division multiplexing (MDM) technology, as a new way to increase the communication capacity of a single wavelength carrier, has attracted increasing attention. As a fundamental building block for MDM communication systems, multimode optical switch is playing an important role for routing the increasingly complex network. However, it is still very challenging to achieve a multimode optical switch with high flexibility and low power‐consumption in a large bandwidth. Here, a 1 × 2 dual‐mode optical switch is proposed and experimentally demonstrated, where the E<jats:sub>11</jats:sub> and E<jats:sub>21</jats:sub> modes can be switched output from either of the two output ports simultaneously or individually with low power‐consumption. For the proposed dual‐mode optical switch, three asymmetric Y‐junctions are used as mode (de)multiplexers, two Mach–Zehnder interferometers form a single‐mode switch matrix, and a 2 × 2 multimode interferometer is used as the waveguide crossing. The device is fabricated with simple photolithography and wet‐etching methods. The measurement results show that the driving powers of the device are lower than 8.4 mW, and the crosstalks are less than −12.4 dB in the wavelength range of 1500–1600 nm. By implementing the dynamic control of resources between the guided modes, the proposed device can greatly improve the flexibility and efficiency of reconfigurable MDM networks.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142142381","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
Self-Powered Perovskite/Si Bipolar Response Photodetector for Visible and Near-Infrared Dual-Band Imaging and Secure Optical Communication 用于可见光和近红外双波段成像及安全光通信的自供电 Perovskite/Si 双极响应光电探测器
IF 11 1区 物理与天体物理
Laser & Photonics Reviews Pub Date : 2024-09-04 DOI: 10.1002/lpor.202401331
Liukang Bian, Fengren Cao, Han Zhao, Fei Xiang, Haoxuan Sun, Meng Wang, Liang Li
{"title":"Self-Powered Perovskite/Si Bipolar Response Photodetector for Visible and Near-Infrared Dual-Band Imaging and Secure Optical Communication","authors":"Liukang Bian, Fengren Cao, Han Zhao, Fei Xiang, Haoxuan Sun, Meng Wang, Liang Li","doi":"10.1002/lpor.202401331","DOIUrl":"https://doi.org/10.1002/lpor.202401331","url":null,"abstract":"Vertically stacked wavelength modulation bipolar response photodetectors are expected to be applied in various fields because they enable bipolar detection and transmission within one device and do not require harsh operating conditions. However, the as-reported bipolar devices either need to change the detection mode (flipping the device or applying external bias) or have limited application effects. In this study, a self-powered FAPbI<sub>3</sub>/silicon hybrid visible and near-infrared bipolar response photodetector is reported, and the bipolar response is tuned by controlling the transmittance and interface contact of transparent electrodes. Moreover, unlike for photosensitive layers such as perovskites or organic compounds, the preparation of electrodes does not involve solvents, and array devices with different electrodes can be prepared in microregions without affecting adjacent regions. Then, an encrypted communication system that requires comprehensive consideration of the positive and negative states of different transparent electrode-based devices caused by 650-nm visible and 940-nm near-infrared transmission signals are designed, increasing the difficulty of decryption. A dual-band spectral imaging system that does not require additional voltage driving by combining the reflection of visible light and the penetration ability of near-infrared light is implemented, ensuring miniaturization and high integration of the visual imaging system.","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":null,"pages":null},"PeriodicalIF":11.0,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142130648","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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