ACS Photonics最新文献_第10页

Efficient Finite Element Modeling of Light Scattering in Symmetric Structures: A Nondegenerate Case

IF 6.5 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-26 DOI: 10.1021/acsphotonics.4c0247410.1021/acsphotonics.4c02474

Jingwei Wang, Lida Liu, Yuhao Jing, Zhongfei Xiong*, Dominik Kowal and Yuntian Chen*,

{"title":"Efficient Finite Element Modeling of Light Scattering in Symmetric Structures: A Nondegenerate Case","authors":"Jingwei Wang, Lida Liu, Yuhao Jing, Zhongfei Xiong*, Dominik Kowal and Yuntian Chen*, ","doi":"10.1021/acsphotonics.4c0247410.1021/acsphotonics.4c02474","DOIUrl":"https://doi.org/10.1021/acsphotonics.4c02474https://doi.org/10.1021/acsphotonics.4c02474","url":null,"abstract":"In recent years, advancements in optical scattering of nanostructures have significantly driven the development of telecommunications, medical imaging, detection, and novel light sources. However, due to the structural complexity of nanostructures, particularly metasurfaces and metamaterials, traditional methods of full-wave modeling for simulating optical scattering face substantial challenges due to increased degrees of freedom. In this work, we propose a symmetry-adapted finite element method to reduce the computational domain and enhance the efficiency of optical scattering simulations. By introducing the concepts of symmetry group and projection operator, we offer a formal and rigorous framework for decomposing the original problem, i.e., the incident condition, boundary constraints, and the finite element method implementation in decoupled subtasks. To demonstrate its broad applicability, we present three numerical examples: the enhancement of light confinement via quasi-bound states in the continuum in a photonic crystal slab, the scattering cross sections of incident configurations, and the calculation of transmission spectra in the metasurface. These examples illustrate the use of the symmetry finite element method under different symmetry conditions, including mirror symmetry, rotational symmetry, and the combination of Bloch’s theorem. Our method significantly reduces computation time and memory usage, thereby greatly improving the computational efficiency. Given the universality of symmetry principles, our method has important applications in the optical analysis and design of symmetric photonic devices, especially for symmetric yet large-sized optical structures.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"12 4","pages":"2053–2061 2053–2061"},"PeriodicalIF":6.5,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832902","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

Efficient Finite Element Modeling of Light Scattering in Symmetric Structures: A Nondegenerate Case

IF 7 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-26 DOI: 10.1021/acsphotonics.4c02474

Jingwei Wang, Lida Liu, Yuhao Jing, Zhongfei Xiong, Dominik Kowal, Yuntian Chen

{"title":"Efficient Finite Element Modeling of Light Scattering in Symmetric Structures: A Nondegenerate Case","authors":"Jingwei Wang, Lida Liu, Yuhao Jing, Zhongfei Xiong, Dominik Kowal, Yuntian Chen","doi":"10.1021/acsphotonics.4c02474","DOIUrl":"https://doi.org/10.1021/acsphotonics.4c02474","url":null,"abstract":"In recent years, advancements in optical scattering of nanostructures have significantly driven the development of telecommunications, medical imaging, detection, and novel light sources. However, due to the structural complexity of nanostructures, particularly metasurfaces and metamaterials, traditional methods of full-wave modeling for simulating optical scattering face substantial challenges due to increased degrees of freedom. In this work, we propose a symmetry-adapted finite element method to reduce the computational domain and enhance the efficiency of optical scattering simulations. By introducing the concepts of symmetry group and projection operator, we offer a formal and rigorous framework for decomposing the original problem, i.e., the incident condition, boundary constraints, and the finite element method implementation in decoupled subtasks. To demonstrate its broad applicability, we present three numerical examples: the enhancement of light confinement via quasi-bound states in the continuum in a photonic crystal slab, the scattering cross sections of incident configurations, and the calculation of transmission spectra in the metasurface. These examples illustrate the use of the symmetry finite element method under different symmetry conditions, including mirror symmetry, rotational symmetry, and the combination of Bloch’s theorem. Our method significantly reduces computation time and memory usage, thereby greatly improving the computational efficiency. Given the universality of symmetry principles, our method has important applications in the optical analysis and design of symmetric photonic devices, especially for symmetric yet large-sized optical structures.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"57 14 1","pages":""},"PeriodicalIF":7.0,"publicationDate":"2025-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143713807","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

Optical Tweezers with Optical Vortex Based on Deep Learning

IF 6.5 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.5c0013710.1021/acsphotonics.5c00137

Zhe Shen*, and , Ning Liu,

{"title":"Optical Tweezers with Optical Vortex Based on Deep Learning","authors":"Zhe Shen*,  and , Ning Liu, ","doi":"10.1021/acsphotonics.5c0013710.1021/acsphotonics.5c00137","DOIUrl":"https://doi.org/10.1021/acsphotonics.5c00137https://doi.org/10.1021/acsphotonics.5c00137","url":null,"abstract":"Optical tweezers with structured light expand the degrees of freedom of particle manipulation. However, studies of structured optical tweezers are usually accompanied by complex theoretical models, strict simulation conditions, and uncertain experimental factors, which may bring about high time costs and insufficiently precise results. In this work, we proposed a bidirectional neural network model for the analysis and design of optical tweezers with optical vortices, as a typical structured light beam. The deep learning network derived from the convolutional neural network was optimized to fit the optical vortex tweezers model. In analyzing optical forces, the network can achieve over 98% accuracy and improve computational efficiency by more than 20 times. In further analyzing particle trajectories, the network can also achieve over 95.5% accuracy. Meanwhile, in optical tweezers with vortex-like beams, our network can still predict particle motion behavior with a high accuracy of up to 96.2%. Our network can inversely design optical vortex tweezers on demand with 95.4% accuracy. In addition, the experimental results in optical tweezers with a plasmonic vortex can be analyzed by the proposed model, which can be used to achieve arbitrary optical manipulation. Our work demonstrates that the proposed deep learning network can provide an effective algorithmic platform for the analysis and design of optical tweezers and is expected to promote the application of optical tweezers in biomedicine.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"12 4","pages":"2212–2218 2212–2218"},"PeriodicalIF":6.5,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832785","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

Optical Tweezers with Optical Vortex Based on Deep Learning 基于深度学习的带光学涡旋的光学镊子

IF 7 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.5c00137

Zhe Shen, Ning Liu

{"title":"Optical Tweezers with Optical Vortex Based on Deep Learning","authors":"Zhe Shen, Ning Liu","doi":"10.1021/acsphotonics.5c00137","DOIUrl":"https://doi.org/10.1021/acsphotonics.5c00137","url":null,"abstract":"Optical tweezers with structured light expand the degrees of freedom of particle manipulation. However, studies of structured optical tweezers are usually accompanied by complex theoretical models, strict simulation conditions, and uncertain experimental factors, which may bring about high time costs and insufficiently precise results. In this work, we proposed a bidirectional neural network model for the analysis and design of optical tweezers with optical vortices, as a typical structured light beam. The deep learning network derived from the convolutional neural network was optimized to fit the optical vortex tweezers model. In analyzing optical forces, the network can achieve over 98% accuracy and improve computational efficiency by more than 20 times. In further analyzing particle trajectories, the network can also achieve over 95.5% accuracy. Meanwhile, in optical tweezers with vortex-like beams, our network can still predict particle motion behavior with a high accuracy of up to 96.2%. Our network can inversely design optical vortex tweezers on demand with 95.4% accuracy. In addition, the experimental results in optical tweezers with a plasmonic vortex can be analyzed by the proposed model, which can be used to achieve arbitrary optical manipulation. Our work demonstrates that the proposed deep learning network can provide an effective algorithmic platform for the analysis and design of optical tweezers and is expected to promote the application of optical tweezers in biomedicine.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"96 1","pages":""},"PeriodicalIF":7.0,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143695082","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

Maneuverable Optical Selection of Multi-Branch Exciton-Polariton Modes in Disk-Shaped Perovskite Microcavities

IF 7 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.4c02319

Yifan Dong, Hao Wu, Xiaokun Zhai, Baili Li, Qixian Xie, Zhenyu Xiong, Peicheng Liu, Yanmei Li, Yuan Ren

{"title":"Maneuverable Optical Selection of Multi-Branch Exciton-Polariton Modes in Disk-Shaped Perovskite Microcavities","authors":"Yifan Dong, Hao Wu, Xiaokun Zhai, Baili Li, Qixian Xie, Zhenyu Xiong, Peicheng Liu, Yanmei Li, Yuan Ren","doi":"10.1021/acsphotonics.4c02319","DOIUrl":"https://doi.org/10.1021/acsphotonics.4c02319","url":null,"abstract":"Exciton-polaritons are composite bosonic quasiparticles formed by the strong coupling of photons and excitons, possessing a hybrid light-matter nature. Under certain conditions, they can achieve Bose–Einstein condensation at room temperature. Additionally, the information carried by photons leaking during their recombination process can be detected in real space. In this paper, halide perovskite materials are utilized within an optical microcavity to design a microdisk with a radius of 3 μm for confining exciton-polaritons. This approach achieves room-temperature condensation of exciton-polaritons in a perovskite crystal potential well and allows for the control of modes with symmetric petal-like shapes. We experimentally and theoretically demonstrate that controlling the relative position of the pump beam and the microdisk enables simultaneous switching of the angular and radial modes of exciton-polaritons, which manifest in real space as petal modes with different numbers of petals and layers. We have achieved the switching between the following modes: low-order petal modes with angular quantum numbers l = 1 and l = 2, characterized by single-orbit petal structures, and high-order petal modes with an angular quantum number l = 7, characterized by multiradial-node petal structures. Polaritons in these modes condense at multiple energy levels of the two lower branches. This study has important implications for the research and development of room-temperature exciton-polariton-based optical logic devices.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"17 1","pages":""},"PeriodicalIF":7.0,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703507","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

Enhanced Delayed Fluorescence in Nonlocal Metasurfaces: The Role of Electronic Strong Coupling

IF 6.5 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.5c0012410.1021/acsphotonics.5c00124

Yu-Chen Wei*, Chih-Hsing Wang, Konstantinos S. Daskalakis, Pi-Tai Chou, Shunsuke Murai and Jaime Gómez Rivas*,

{"title":"Enhanced Delayed Fluorescence in Nonlocal Metasurfaces: The Role of Electronic Strong Coupling","authors":"Yu-Chen Wei*, Chih-Hsing Wang, Konstantinos S. Daskalakis, Pi-Tai Chou, Shunsuke Murai and Jaime Gómez Rivas*, ","doi":"10.1021/acsphotonics.5c0012410.1021/acsphotonics.5c00124","DOIUrl":"https://doi.org/10.1021/acsphotonics.5c00124https://doi.org/10.1021/acsphotonics.5c00124","url":null,"abstract":"Strong light-matter coupling has garnered significant attention for its potential to optimize optoelectronic responses. In this study, we designed open cavities featuring nonlocal metasurfaces composed of aluminum nanoparticle arrays. The surface lattice resonances in these metasurfaces exhibit electronic strong coupling with the boron difluoride curcuminoid derivative, which is known for its highly efficient thermally activated delayed fluorescence in the near-infrared. Our results show that delayed fluorescence induced by triplet–triplet annihilation can be enhanced by a factor of 2.0–2.6 in metasurfaces that are either tuned or detuned to the molecular electronic transition. We demonstrate that delayed fluorescence enhancements in these systems primarily stem from increased absorption in the organic layer caused by the nanoparticle array, while strong coupling has negligible effects on reverse intersystem crossing rates, aligning with previous studies. We support these findings with finite-difference-time-domain simulations. This study elucidates how light-matter interactions affect delayed fluorescence, highlighting the potential applications in optoelectronic devices.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"12 4","pages":"2193–2202 2193–2202"},"PeriodicalIF":6.5,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsphotonics.5c00124","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832841","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}

引用次数: 0

Enhanced Delayed Fluorescence in Nonlocal Metasurfaces: The Role of Electronic Strong Coupling

IF 7 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.5c00124

Yu-Chen Wei, Chih-Hsing Wang, Konstantinos S. Daskalakis, Pi-Tai Chou, Shunsuke Murai, Jaime Gómez Rivas

{"title":"Enhanced Delayed Fluorescence in Nonlocal Metasurfaces: The Role of Electronic Strong Coupling","authors":"Yu-Chen Wei, Chih-Hsing Wang, Konstantinos S. Daskalakis, Pi-Tai Chou, Shunsuke Murai, Jaime Gómez Rivas","doi":"10.1021/acsphotonics.5c00124","DOIUrl":"https://doi.org/10.1021/acsphotonics.5c00124","url":null,"abstract":"Strong light-matter coupling has garnered significant attention for its potential to optimize optoelectronic responses. In this study, we designed open cavities featuring nonlocal metasurfaces composed of aluminum nanoparticle arrays. The surface lattice resonances in these metasurfaces exhibit electronic strong coupling with the boron difluoride curcuminoid derivative, which is known for its highly efficient thermally activated delayed fluorescence in the near-infrared. Our results show that delayed fluorescence induced by triplet–triplet annihilation can be enhanced by a factor of 2.0–2.6 in metasurfaces that are either tuned or detuned to the molecular electronic transition. We demonstrate that delayed fluorescence enhancements in these systems primarily stem from increased absorption in the organic layer caused by the nanoparticle array, while strong coupling has negligible effects on reverse intersystem crossing rates, aligning with previous studies. We support these findings with finite-difference-time-domain simulations. This study elucidates how light-matter interactions affect delayed fluorescence, highlighting the potential applications in optoelectronic devices.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"33 1","pages":""},"PeriodicalIF":7.0,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143703506","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-Healing Behavior of Piezoelectric Crystals Studied Using Polarized Light

IF 6.5 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.4c0224310.1021/acsphotonics.4c02243

Nishkarsh Kumar, Jeeban Kumar Nayak*, Surojit Bhunia*, Shubham Chandel, Asima Pradhan, C. Malla Reddy and Nirmalya Ghosh,

{"title":"Self-Healing Behavior of Piezoelectric Crystals Studied Using Polarized Light","authors":"Nishkarsh Kumar, Jeeban Kumar Nayak*, Surojit Bhunia*, Shubham Chandel, Asima Pradhan, C. Malla Reddy and Nirmalya Ghosh, ","doi":"10.1021/acsphotonics.4c0224310.1021/acsphotonics.4c02243","DOIUrl":"https://doi.org/10.1021/acsphotonics.4c02243https://doi.org/10.1021/acsphotonics.4c02243","url":null,"abstract":"It is challenging to quantify the self-healing efficiency in crystalline materials with atomic precision. Organic crystals with self-healing capabilities are of particular interest due to their wide-ranging potential applications. In this study, we present a comprehensive polarization Mueller matrix analysis of a self-healing crystal. Our results not only probe and quantify the crystal’s various optical properties but also offer new insights into its self-healing mechanism. We observe that the mechanical stress-induced changes of the microscopic polarization properties of the crystal are manifested as the reduction of anisotropic parameters, e.g., diattenuation and retardance, in the imperfectly healed and fractured crystal. This reduction in amplitude and phase anisotropy parameters is interpreted as the manifestation of the photoelastic effect, where some remnant strain within the broken crystal leads to the alteration of the dielectric tensor of the anisotropic crystal. These alterations, in turn, explain changes in the macroscopic piezoelectric polarization through the orientation of the permanent dipoles and the generation of stress-induced surface charges, which leads to the autonomous self-healing of the crystal. Beyond its remarkable self-healing properties, the crystal also exhibits rich optical properties, e.g., strong polarization anisotropy effects, nonlinear properties, etc.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"12 4","pages":"1840–1848 1840–1848"},"PeriodicalIF":6.5,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832782","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-Healing Behavior of Piezoelectric Crystals Studied Using Polarized Light

IF 7 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.4c02243

Nishkarsh Kumar, Jeeban Kumar Nayak, Surojit Bhunia, Shubham Chandel, Asima Pradhan, C. Malla Reddy, Nirmalya Ghosh

{"title":"Self-Healing Behavior of Piezoelectric Crystals Studied Using Polarized Light","authors":"Nishkarsh Kumar, Jeeban Kumar Nayak, Surojit Bhunia, Shubham Chandel, Asima Pradhan, C. Malla Reddy, Nirmalya Ghosh","doi":"10.1021/acsphotonics.4c02243","DOIUrl":"https://doi.org/10.1021/acsphotonics.4c02243","url":null,"abstract":"It is challenging to quantify the self-healing efficiency in crystalline materials with atomic precision. Organic crystals with self-healing capabilities are of particular interest due to their wide-ranging potential applications. In this study, we present a comprehensive polarization Mueller matrix analysis of a self-healing crystal. Our results not only probe and quantify the crystal’s various optical properties but also offer new insights into its self-healing mechanism. We observe that the mechanical stress-induced changes of the microscopic polarization properties of the crystal are manifested as the reduction of anisotropic parameters, e.g., diattenuation and retardance, in the imperfectly healed and fractured crystal. This reduction in amplitude and phase anisotropy parameters is interpreted as the manifestation of the photoelastic effect, where some remnant strain within the broken crystal leads to the alteration of the dielectric tensor of the anisotropic crystal. These alterations, in turn, explain changes in the macroscopic piezoelectric polarization through the orientation of the permanent dipoles and the generation of stress-induced surface charges, which leads to the autonomous self-healing of the crystal. Beyond its remarkable self-healing properties, the crystal also exhibits rich optical properties, e.g., strong polarization anisotropy effects, nonlinear properties, etc.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"34 1","pages":""},"PeriodicalIF":7.0,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143695081","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

Maneuverable Optical Selection of Multi-Branch Exciton-Polariton Modes in Disk-Shaped Perovskite Microcavities

IF 6.5 1区物理与天体物理

ACS Photonics Pub Date : 2025-03-25 DOI: 10.1021/acsphotonics.4c0231910.1021/acsphotonics.4c02319

Yifan Dong, Hao Wu, Xiaokun Zhai, Baili Li, Qixian Xie, Zhenyu Xiong, Peicheng Liu, Yanmei Li and Yuan Ren*,

{"title":"Maneuverable Optical Selection of Multi-Branch Exciton-Polariton Modes in Disk-Shaped Perovskite Microcavities","authors":"Yifan Dong, Hao Wu, Xiaokun Zhai, Baili Li, Qixian Xie, Zhenyu Xiong, Peicheng Liu, Yanmei Li and Yuan Ren*, ","doi":"10.1021/acsphotonics.4c0231910.1021/acsphotonics.4c02319","DOIUrl":"https://doi.org/10.1021/acsphotonics.4c02319https://doi.org/10.1021/acsphotonics.4c02319","url":null,"abstract":"Exciton-polaritons are composite bosonic quasiparticles formed by the strong coupling of photons and excitons, possessing a hybrid light-matter nature. Under certain conditions, they can achieve Bose–Einstein condensation at room temperature. Additionally, the information carried by photons leaking during their recombination process can be detected in real space. In this paper, halide perovskite materials are utilized within an optical microcavity to design a microdisk with a radius of 3 μm for confining exciton-polaritons. This approach achieves room-temperature condensation of exciton-polaritons in a perovskite crystal potential well and allows for the control of modes with symmetric petal-like shapes. We experimentally and theoretically demonstrate that controlling the relative position of the pump beam and the microdisk enables simultaneous switching of the angular and radial modes of exciton-polaritons, which manifest in real space as petal modes with different numbers of petals and layers. We have achieved the switching between the following modes: low-order petal modes with angular quantum numbers l = 1 and l = 2, characterized by single-orbit petal structures, and high-order petal modes with an angular quantum number l = 7, characterized by multiradial-node petal structures. Polaritons in these modes condense at multiple energy levels of the two lower branches. This study has important implications for the research and development of room-temperature exciton-polariton-based optical logic devices.","PeriodicalId":23,"journal":{"name":"ACS Photonics","volume":"12 4","pages":"1910–1918 1910–1918"},"PeriodicalIF":6.5,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acsphotonics.4c02319","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143832774","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}

引用次数: 0