Nature PhotonicsPub Date : 2024-08-05DOI: 10.1038/s41566-024-01485-0
Fatih Ömer Ilday
{"title":"Driven by feedback, unlimited by diffraction","authors":"Fatih Ömer Ilday","doi":"10.1038/s41566-024-01485-0","DOIUrl":"10.1038/s41566-024-01485-0","url":null,"abstract":"By exploiting nonlinear feedback arising from the interaction of ultrafast laser pulses, self-organized nanolines that appear to defy the limits of diffraction are shown to cut, dice, and structure optical materials, fabricating true zero-order sapphire waveplates and crystalline micro-prisms.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 8","pages":"771-772"},"PeriodicalIF":32.3,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141891736","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}
Nature PhotonicsPub Date : 2024-08-05DOI: 10.1038/s41566-024-01487-y
Su-Hyun Gong, Je-Hyung Kim
{"title":"A leap to highly efficient 2D quantum emitters","authors":"Su-Hyun Gong, Je-Hyung Kim","doi":"10.1038/s41566-024-01487-y","DOIUrl":"10.1038/s41566-024-01487-y","url":null,"abstract":"A plasmonic platform and a dual gate are integrated in a single-photon emitter made of two-dimensional materials. The combination enables engineered radiative and nonradiative decays, leading to a device quantum efficiency of up to 90%.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 8","pages":"773-774"},"PeriodicalIF":32.3,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141891566","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":"Visible to mid-wave infrared PbS/HgTe colloidal quantum dot imagers","authors":"Ge Mu, Yimei Tan, Cheng Bi, Yanfei Liu, Qun Hao, Xin Tang","doi":"10.1038/s41566-024-01492-1","DOIUrl":"10.1038/s41566-024-01492-1","url":null,"abstract":"Photodetection over a broad spectral range is necessary for multispectral sensing and imaging. Despite the fact that broadband single-element detectors with high performance have been demonstrated with various low-dimensional materials, broadband focal plane array imagers have been rarely reported. Here we propose a stacked lead sulfide/mercury telluride colloidal quantum dot photodetector configuration with optimized graded energy gaps. This architecture allows for ultrabroadband spectral response from 0.4 to 5.0 µm, with responsivity values of 0.23, 0.31, 0.83 and 0.71 A W−1 at 0.4, 0.7, 2.2 and 4.2 µm, respectively. We also fabricate a focal plane array imager with a resolution of 640 × 512, a low photoresponse non-uniformity down to 6% and a noise equivalent temperature difference as low as 34 mK. We demonstrate broadband imaging by simultaneously capturing both short-wave infrared and mid-wave infrared information, as well as multispectral imaging in the red, green, blue, short-wave infrared and mid-wave infrared channels, using a set of optical filters. Graded-energy-gap lead sulfide/mercury telluride stacked quantum dots enable photodetection and imaging in a focal plane array configuration from the visible (0.4 µm) to the mid-wave infrared (about 5 µm) region.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 11","pages":"1147-1154"},"PeriodicalIF":32.3,"publicationDate":"2024-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141891891","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}
Nature PhotonicsPub Date : 2024-08-02DOI: 10.1038/s41566-024-01481-4
Niels Radmacher, Oleksii Nevskyi, José Ignacio Gallea, Jan Christoph Thiele, Ingo Gregor, Silvio O. Rizzoli, Jörg Enderlein
{"title":"Doubling the resolution of fluorescence-lifetime single-molecule localization microscopy with image scanning microscopy","authors":"Niels Radmacher, Oleksii Nevskyi, José Ignacio Gallea, Jan Christoph Thiele, Ingo Gregor, Silvio O. Rizzoli, Jörg Enderlein","doi":"10.1038/s41566-024-01481-4","DOIUrl":"10.1038/s41566-024-01481-4","url":null,"abstract":"In this study, we integrate a single-photon detector array into a confocal laser scanning microscope, enabling the combination of fluorescence-lifetime single-molecule localization microscopy with image scanning microscopy. This unique combination delivers a twofold improvement in lateral localization accuracy for single-molecule localization microscopy (SMLM) and maintains its simplicity. Moreover, the addition of lifetime information from our confocal laser scanning microscope eliminates chromatic aberration, particularly crucial for achieving few-nanometre resolution in SMLM. Our approach, named fluorescence-lifetime image scanning microscopy SMLM, is demonstrated through direct stochastic optical reconstruction microscopy and DNA point accumulation for imaging in nanoscale topography experiments on fluorescently labelled cells, showcasing both resolution enhancement and fluorescence-lifetime multiplexing capabilities. The integration of a single-photon detector array and imaging scanning microscopy in a confocal scanning microscope enables doubling the resolution of single-molecule localization microscopy.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 10","pages":"1059-1066"},"PeriodicalIF":32.3,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141877509","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}
Nature PhotonicsPub Date : 2024-08-02DOI: 10.1038/s41566-024-01483-2
Hui Li, Fei Chen, Haoyuan Jia, Ziyu Ye, Hang Zhou, Song Luo, Junheng Shi, Zhenrong Sun, Huailiang Xu, Hongxing Xu, Tim Byrnes, Zhanghai Chen, Jian Wu
{"title":"All-optical temporal logic gates in localized exciton polaritons","authors":"Hui Li, Fei Chen, Haoyuan Jia, Ziyu Ye, Hang Zhou, Song Luo, Junheng Shi, Zhenrong Sun, Huailiang Xu, Hongxing Xu, Tim Byrnes, Zhanghai Chen, Jian Wu","doi":"10.1038/s41566-024-01483-2","DOIUrl":"10.1038/s41566-024-01483-2","url":null,"abstract":"Exciton polaritons—quasi-particle excitations consisting of strongly coupled photons and excitons—present fascinating possibilities for photonic circuits, owing to their strong nonlinearity, ultrafast reaction times and their ability to form macroscopic quantum states at room temperature via non-equilibrium condensation. Past implementations of transistors and logic gates with exciton polaritons have been mostly realized using the spatial propagation of polariton fluids, which place high demands on the fabrication of the microcavities and typically require complex manipulations. In this work we have implemented the full set of logical gate functionalities (that is, temporal AND, OR and NOT gates) in localized exciton polaritons at room temperature, on the basis of precisely controlling the interplay between polariton condensate and exciton reservoir dynamics, using a two-pulse excitation scheme. The dynamics intrinsically covers the cascadability required by the logical operations, enabling efficient information processing without the need for spatial flow. The temporal polariton logic gates demonstrate advantages in ultrafast switching, universality and simplified compatibility with other dimensional controls, showing great potential for building polariton logic networks in strongly coupled light–matter systems. Researchers have achieved AND, OR and NOT gates, using localized exciton polaritons at room temperature. The logic is based on temporal gates, rather than relying on the usual spatial propagation approaches.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 8","pages":"864-869"},"PeriodicalIF":32.3,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41566-024-01483-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141877557","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}
Nature PhotonicsPub Date : 2024-08-02DOI: 10.1038/s41566-024-01474-3
M. Galletti, R. Assmann, M. E. Couprie, M. Ferrario, L. Giannessi, A. Irman, R. Pompili, W. Wang
{"title":"Prospects for free-electron lasers powered by plasma-wakefield-accelerated beams","authors":"M. Galletti, R. Assmann, M. E. Couprie, M. Ferrario, L. Giannessi, A. Irman, R. Pompili, W. Wang","doi":"10.1038/s41566-024-01474-3","DOIUrl":"10.1038/s41566-024-01474-3","url":null,"abstract":"Plasma-wakefield-based acceleration technology has the potential to revolutionize the field of particle accelerators. By providing acceleration gradients orders of magnitude larger than conventional radiofrequency particle accelerators, this technology allows accelerators to be reduced to the centimetre length scale. It also provides a new compact approach for driving free-electron lasers, a valuable source of high-brilliance ultrashort coherent radiation within the infrared to X-ray spectral range for the study of subatomic matter, ultrafast dynamics of complex systems and X-ray nonlinear optics, among other applications. Several laboratories around the world are working on the realization of these new light sources, exploring different configurations for the plasma wakefield driver beam, plasma stage design and operational regime. This Review describes the operating principles of plasma accelerators, an overview of recent experimental milestones for plasma-driven free-electron lasers in self-amplified spontaneous emission and seeded configurations, and highlights the remaining major challenges in the field. This Review examines the principles of operation and progress made in developing free-electron lasers that feature plasma-wakefield-acceleration technology.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 8","pages":"780-791"},"PeriodicalIF":32.3,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141877508","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}
Nature PhotonicsPub Date : 2024-08-02DOI: 10.1038/s41566-024-01496-x
Jisu Yoo, Kyunghoon Lee, U. Jeong Yang, Hyeon Hwa Song, Jae Hong Jang, Gwang Heon Lee, Megalamane S. Bootharaju, Jun Hee Kim, Kiwook Kim, Soo Ik Park, Jung Duk Seo, Shi Li, Won Seok Yu, Jong Ik Kwon, Myoung Hoon Song, Taeghwan Hyeon, Jiwoong Yang, Moon Kee Choi
{"title":"Highly efficient printed quantum dot light-emitting diodes through ultrahigh-definition double-layer transfer printing","authors":"Jisu Yoo, Kyunghoon Lee, U. Jeong Yang, Hyeon Hwa Song, Jae Hong Jang, Gwang Heon Lee, Megalamane S. Bootharaju, Jun Hee Kim, Kiwook Kim, Soo Ik Park, Jung Duk Seo, Shi Li, Won Seok Yu, Jong Ik Kwon, Myoung Hoon Song, Taeghwan Hyeon, Jiwoong Yang, Moon Kee Choi","doi":"10.1038/s41566-024-01496-x","DOIUrl":"10.1038/s41566-024-01496-x","url":null,"abstract":"Highly efficient and high-definition displays with deformable form factors are highly desirable for next-generation electronic devices. Despite the unique advantages of quantum dots (QDs), including high photoluminescence quantum yield, wide colour range and high colour purity, developing a QD patterning process for high-definition pixels and efficient QD light-emitting diodes (QLEDs) is in its early stages. Here we present highly efficient QLEDs through ultrahigh-definition double-layer transfer printing of a QD/ZnO film. Surface engineering of viscoelastic stamps enables double-layer transfer printing that can create RGB pixelated patterns with 2,565 pixels per inch and monochromic QD patterns with ~20,526 pixels per inch. The close packing of both QDs and ZnO nanoparticles by double-layer transfer printing substantially minimizes the leakage current, enhancing the external quantum efficiency of our devices to 23.3%. Furthermore, we demonstrate highly efficient wearable QLEDs fabricated by our technique. This study paves the way for the development of highly efficient, full-colour QD displays via the transfer printing technique, demonstrating great promise for next-generation display technologies. Transfer printing of a quantum dot–ZnO film with a surface-functionalized viscoelastic stamp enables the realization of RGB QLED pixels with a resolution of 2,500 pixels per inch and a peak external quantum efficiency of 23.3% for green-emitting devices.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 10","pages":"1105-1112"},"PeriodicalIF":32.3,"publicationDate":"2024-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141877510","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}
Nature PhotonicsPub Date : 2024-07-31DOI: 10.1038/s41566-024-01493-0
Fei Xia, Kyungduk Kim, Yaniv Eliezer, SeungYun Han, Liam Shaughnessy, Sylvain Gigan, Hui Cao
{"title":"Nonlinear optical encoding enabled by recurrent linear scattering","authors":"Fei Xia, Kyungduk Kim, Yaniv Eliezer, SeungYun Han, Liam Shaughnessy, Sylvain Gigan, Hui Cao","doi":"10.1038/s41566-024-01493-0","DOIUrl":"10.1038/s41566-024-01493-0","url":null,"abstract":"Optical information processing and computing can potentially offer enhanced performance, scalability and energy efficiency. However, achieving nonlinearity—a critical component of computation—remains challenging in the optical domain. Here we introduce a design that leverages a multiple-scattering cavity to passively induce optical nonlinear random mapping with a continuous-wave laser at a low power. Each scattering event effectively mixes information from different areas of a spatial light modulator, resulting in a highly nonlinear mapping between the input data and output pattern. We demonstrate that our design retains vital information even when the readout dimensionality is reduced, thereby enabling optical data compression. This capability allows our optical platforms to offer efficient optical information processing solutions across applications. We demonstrate our design’s efficacy across tasks, including classification, image reconstruction, keypoint detection and object detection, all of which are achieved through optical data compression combined with a digital decoder. In particular, high performance at extreme compression ratios is observed in real-time pedestrian detection. Our findings open pathways for novel algorithms and unconventional architectural designs for optical computing. An optical accelerator is designed to leverage a multiple-scattering cavity to passively induce optical nonlinear random mapping with a continuous-wave laser at a constant low power (~21 mW), providing a new avenue for optical computing.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 10","pages":"1067-1075"},"PeriodicalIF":32.3,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41566-024-01493-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141857712","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}
Nature PhotonicsPub Date : 2024-07-31DOI: 10.1038/s41566-024-01486-z
Robin R. Jones, John F. Kerr, Hyunah Kwon, Samuel R. Clowes, Ruidong Ji, Emilija Petronijevic, Liwu Zhang, G. Dan Pantoș, Brian Smith, Tim Batten, Peer Fischer, Daniel Wolverson, David L. Andrews, Ventsislav K. Valev
{"title":"Chirality conferral enables the observation of hyper-Raman optical activity","authors":"Robin R. Jones, John F. Kerr, Hyunah Kwon, Samuel R. Clowes, Ruidong Ji, Emilija Petronijevic, Liwu Zhang, G. Dan Pantoș, Brian Smith, Tim Batten, Peer Fischer, Daniel Wolverson, David L. Andrews, Ventsislav K. Valev","doi":"10.1038/s41566-024-01486-z","DOIUrl":"10.1038/s41566-024-01486-z","url":null,"abstract":"Chirality conferral is fundamental for understanding the origin of life, and it is of direct importance for synthesizing new pharmaceuticals in the face of growing antibiotic resistance. Human-made, self-assembling nanostructures replicate the biological chirality conferral processes utilizing covalent and non-covalent bonds. However, chirality conferral from one form of matter to another via electromagnetic fields is more subtle and less explored. Here we report chirality conferral between gold nanohelices and achiral molecules (crystal violet). This conferral enables the experimental observation of a physical effect predicted in 1979—hyper-Raman optical activity. To benefit from Fermi’s golden rule, the chirality conferral system was designed as doubly resonant, with the nanohelices and molecules resonating at the fundamental frequency and at the second-harmonic, respectively. We provide a theoretical framework for our results that expands the original mathematical formalism to include surface-enhanced hyper-Raman scattering and the chirality conferral process. Our results demonstrate that field-driven chirality conferral mechanisms are opening up entire fields of research, as exemplified by the discovery of a physical phenomenon. Theoretically predicted in 1979, hyper-Raman optical activity is now experimentally observed through chirality conferral from the electromagnetic field of chiral plasmonic gold nanohelices to crystal violet molecules that are achiral, sparking new science at the organic–inorganic interface.","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"18 9","pages":"982-989"},"PeriodicalIF":32.3,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s41566-024-01486-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141857603","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}