理学最新文献 - Book学术

Face-to-face integrated tandem quantum-dot LEDs with high performance and multifunctionality

Light-Science & Applications Pub Date : 2025-04-25 DOI: 10.1038/s41377-025-01835-9

Haotao Li, Jiming Wang, Shuming Chen

{"title":"Face-to-face integrated tandem quantum-dot LEDs with high performance and multifunctionality","authors":"Haotao Li, Jiming Wang, Shuming Chen","doi":"10.1038/s41377-025-01835-9","DOIUrl":"https://doi.org/10.1038/s41377-025-01835-9","url":null,"abstract":"The realization of solution-processed tandem quantum-dot LEDs (QLEDs) remains a technical challenge due to the limitations of inefficient interconnect layer and the damage caused by multiple solution processes. Here, we develop a high performance tandem QLED by face-to-face integrating a top-emitting QLED with a transparent QLED. The top and bottom units can be addressed independently, thereby enabling the tandem QLED to operate in series, parallel, and color-tunable modes for multifunctionality. In series mode, QLEDs demonstrate an ultra-low turn-on voltage of 3.3 V and a record-breaking external quantum efficiency of 60.7%. In parallel mode, QLEDs achieve an impressive brightness of over 4.8 × 106 cd m-2. In color-tunable mode, the color, brightness, and color temperature can all be adjusted with a color tuning range of 114% NSTC. Moreover, both series and parallel connections contribute to an improved stability, resulting in a T95 lifetime of nearly 30,000 h at 1000 cd m-2, which is an improvement of approximately 2.8 times over control devices. Our work offers a feasible solution for achieving multifunctional tandem QLEDs with the advantages of solution processed, high efficiency, high brightness, long lifetime and full color tunability for various light source applications.","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"09 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143872627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A 3.584 Tbps coherent receiver chip on InP-LiNbO3 wafer-level integration platform

Light-Science & Applications Pub Date : 2025-04-25 DOI: 10.1038/s41377-025-01821-1

Xiaojun Xie, Chao Wei, Xingchen He, Yake Chen, Chenghao Wang, Jihui Sun, Lin Jiang, Jia Ye, Xihua Zou, Wei Pan, Lianshan Yan

{"title":"A 3.584 Tbps coherent receiver chip on InP-LiNbO3 wafer-level integration platform","authors":"Xiaojun Xie, Chao Wei, Xingchen He, Yake Chen, Chenghao Wang, Jihui Sun, Lin Jiang, Jia Ye, Xihua Zou, Wei Pan, Lianshan Yan","doi":"10.1038/s41377-025-01821-1","DOIUrl":"https://doi.org/10.1038/s41377-025-01821-1","url":null,"abstract":"The rapid advancement of the thin-film lithium niobate (LiNbO3) platform has established it as a premier choice for high-performance photonics integrated circuits. However, the scalability and cost-efficiency of this platform are hindered by the reliance on chip-level fabrication and integration for passive and active components, necessitating a robust wafer-level LiNbO3 heterogeneous integration platform. Despite its critical role in enabling ultrahigh-speed optical interconnects, as well as optical mmWave/THz sensing and communication, the realization of ultrahigh-speed photodiodes and optical coherent receivers on the LiNbO₃ platform remains an unresolved challenge. This is primarily due to the challenges associated with the large-scale integration of direct-bandgap materials. To address these challenges, we have developed a scalable, high-speed InP-LiNbO₃ wafer-level heterogeneous integration platform. This platform facilitates the fabrication of ultrahigh-speed photodiodes with a bandwidth of 140 GHz, capable of receiving high-quality 100-Gbaud pulse amplitude modulation (PAM4) signals. Moreover, we demonstrate a seven-channel, single-polarization I–Q coherent receiver chip with an aggregate receiving capacity of 3.584 Tbit s-1. This coherent receiver exhibits a balanced detection bandwidth of 60 GHz and a common mode rejection ratio (CMRR) exceeding 20 dB. It achieves receiving capacities of 600 Gbit s-1 λ-1 with a 100-Gbaud 64-QAM signal and 512 Gbit s-1 λ-1 with a 128-Gbaud 16-QAM signal. Furthermore, energy consumption as low as 9.6 fJ bit-1 and 13.5 fJ bit-1 is achieved for 200 Gbit s-1 and 400 Gbit s-1 capacities, respectively. Our work provides a viable pathway toward enabling Pbps hyperscale data center interconnects, as well as optical mmWave/THz sensing and communication.","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143872626","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unlocking body-surface physiological evolution via IR-temperature dual sensing with single chalcogenide fiber

Light-Science & Applications Pub Date : 2025-04-25 DOI: 10.1038/s41377-025-01840-y

Yanqing Fu, Shiliang Kang, Gangjie Zhou, Xinxiang Huang, Linling Tan, Chengwei Gao, Shixun Dai, Changgui Lin

{"title":"Unlocking body-surface physiological evolution via IR-temperature dual sensing with single chalcogenide fiber","authors":"Yanqing Fu, Shiliang Kang, Gangjie Zhou, Xinxiang Huang, Linling Tan, Chengwei Gao, Shixun Dai, Changgui Lin","doi":"10.1038/s41377-025-01840-y","DOIUrl":"https://doi.org/10.1038/s41377-025-01840-y","url":null,"abstract":"Improvements to body-surface physiological monitoring ability including real-time, accuracy and integration, are essential to meet the expansive demands for personal healthcare. As part of this, simultaneous monitoring of sweat metabolites and body temperature offers an exciting path to maximizing diagnostic precision and minimizing morbidity rates. Herein, we report a high-performance biomarker-temperature sensor made of a single As3Se5Te2 chalcogenide glass fiber to monitor physiology evolution on body-surface. The sensor integrates efficient thermal resistance and fiber evanescent wave effects, permitting the independent sensing of temperature and biomarkers with an ultrahigh temperature coefficient of resistance (−5.84% K–1), rapid temperature response (0.3 s) and excellent IR sensing sensitivity. Moreover, by attaching a fiber to the wrist, we demonstrate simultaneous observation of both sweat metabolite (urea and lactate) and temperature changes during exercise. This illuminating sensing method will provide crucial capabilities in physiological monitoring and pave the way for advanced personalized diagnostic.","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143872625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Deterministic resonance fluorescence improvement of single quantum dots by optimized surface passivation 通过优化表面钝化改善单量子点的确定性共振荧光

Light-Science & Applications Pub Date : 2025-04-22 DOI: 10.1038/s41377-025-01838-6

Junyi Zhao, Runze Liu, Gengyan Zou, Zhenxuan Ge, Qihang Zhang, Yukun Qiao, Xing Ding, Guoqiu Jiang, Yiyang Lou, Yongpeng Guo, Tunghsun Chung, Yuming He, Chaoyang Lu, Yongheng Huo, Jianwei Pan

引用次数: 0

Characterizing G-type antiferromagnetism quantitatively with optical second harmonic generation 用光学二次谐波发生定量表征 G 型反铁磁性

Light-Science & Applications Pub Date : 2025-04-22 DOI: 10.1038/s41377-025-01849-3

Shuai Xu, Cheng Ma, Kui-juan Jin, Qinghua Zhang, Sisi Huang, Yiru Wang, Xu He, Jiesu Wang, Donggang Xie, Qiulin Zhang, Er-Jia Guo, Chen Ge, Can Wang, Xiulai Xu, Lin Gu, Meng He, Guozhen Yang

{"title":"Characterizing G-type antiferromagnetism quantitatively with optical second harmonic generation","authors":"Shuai Xu, Cheng Ma, Kui-juan Jin, Qinghua Zhang, Sisi Huang, Yiru Wang, Xu He, Jiesu Wang, Donggang Xie, Qiulin Zhang, Er-Jia Guo, Chen Ge, Can Wang, Xiulai Xu, Lin Gu, Meng He, Guozhen Yang","doi":"10.1038/s41377-025-01849-3","DOIUrl":"https://doi.org/10.1038/s41377-025-01849-3","url":null,"abstract":"Antiferromagnetism has become a promising candidate for the next generation electronic devices due to its thermal stability, low energy consumption, and fast switching speed. However, the canceling of the net magnetic moment in antiferromagnetic order presents great challenge on quantitative characterization and modulation, hindering its investigation and application. In this work, utilizing the optical second harmonic generation (SHG) in a wide temperature range, the integrated differential phase contrast scanning transmission electron microscopy, and first-principles calculations, we performed a quantitative study on the evolution of non-collinear antiferromagnetic order in BiFeO3 films with a series of strains. We found that the antiferromagnetic coupling was significantly enhanced, featured by the increase of Néel temperature from 428 K to 646 K, and by one order of enhancement of SHG intensity contributed from the G-type antiferromagnetic order by strain manipulation from -2.4% to +0.6%. We attributed the enhancement of the antiferromagnetic coupling to the enhancement of the superexchange interaction as the Fe-O-Fe bond angle approaches 180° when the in-plane lattice constants increase, which might also result in a tendency from a non-collinear antiferromagnetic order to a collinear one. Our work not only bridges the antiferromagnetic order and the strain manipulation in epitaxial multiferroics, more importantly, also paves a way for quantitative characterization by SHG technology and the precise manipulation of antiferromagnetism.","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143857442","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sidelobe-free deterministic 3D nanoscopy with λ/33 axial resolution

Light-Science & Applications Pub Date : 2025-04-21 DOI: 10.1038/s41377-025-01833-x

Binxiong Pan, Baoju Wang, Yue Ni, Qi Zhao, Yuqi Wang, Yuyan Cai, Qiuqiang Zhan

{"title":"Sidelobe-free deterministic 3D nanoscopy with λ/33 axial resolution","authors":"Binxiong Pan, Baoju Wang, Yue Ni, Qi Zhao, Yuqi Wang, Yuyan Cai, Qiuqiang Zhan","doi":"10.1038/s41377-025-01833-x","DOIUrl":"https://doi.org/10.1038/s41377-025-01833-x","url":null,"abstract":"Deterministic three-dimensional (3D) super-resolution microscopy can achieve light-matter interaction in a small volume, but usually with the axial extension distinctly more elongated than the lateral one. The isoSTED method combining two opposing objectives and multiple laser beams can offer high axial extension at λ/12 level, but at the cost of optical system complexity and inherent sidelobes. The high-order nonlinear effect by multiphoton excitation would benefit to achieve a sub-diffraction resolution as well as to suppress the sidelobes. Herein, to achieve an easy-to-use, sidelobe-free deterministic 3D nanoscopy with high axial resolution, we developed a purely physical deterministic strategy (UNEx-4Pi) by fusion of ultrahighly nonlinear excitation (UNEx) of photon avalanching nanoparticles and mirror-based bifocal vector field modulation (4Pi). The theoretical studies of UNEx-4Pi concept showed that the main peak of fluorescence spot became sharper and its large sidelobe height was suppressed with the increasing optical nonlinearity. In addition, the simplicity and robustness of UNEx-4Pi system were demonstrated utilizing a mirror-assisted single-objective bifocal self-interference strategy. Experimentally, UNEx-4Pi realized an extremely constringent focal spot without sidelobes observed, achieving an axial resolution up to λ/33 (26 nm) using one low-power CW beam. We also demonstrated the super-resolution ability of the UNEx-4Pi scheme to bioimaging and nuclear envelope of BSC-1 cells were stained and imaged at an axial resolution of 32 nm. The proposed UNEx-4Pi method will pave the way for achieving light-matter interaction in a highly confined space, thereby advancing cutting-edge technologies like deterministic super-resolution sensing, imaging, lithography, and data storage.","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143853095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

In situ characterization of laser-induced strong field ionization phenomena 激光诱导强场电离现象的原位表征

Light-Science & Applications Pub Date : 2025-04-21 DOI: 10.1038/s41377-025-01808-y

Noam Shlomo, Eugene Frumker

引用次数: 0

Hybrid strategy in compact tailoring of multiple degrees-of-freedom toward high-dimensional photonics 面向高维光子学的多自由度紧凑定制混合战略

Light-Science & Applications Pub Date : 2025-04-21 DOI: 10.1038/s41377-025-01857-3

Shiyun Zhou, Lang Li, Liliang Gao, Zhiyuan Zhou, Jinyu Yang, Shurui Zhang, Tonglu Wang, Chunqing Gao, Shiyao Fu

{"title":"Hybrid strategy in compact tailoring of multiple degrees-of-freedom toward high-dimensional photonics","authors":"Shiyun Zhou, Lang Li, Liliang Gao, Zhiyuan Zhou, Jinyu Yang, Shurui Zhang, Tonglu Wang, Chunqing Gao, Shiyao Fu","doi":"10.1038/s41377-025-01857-3","DOIUrl":"https://doi.org/10.1038/s41377-025-01857-3","url":null,"abstract":"Tailoring multiple degrees-of-freedom (DoFs) to achieve high-dimensional laser field is crucial for advancing optical technologies. While recent advancements have demonstrated the ability to manipulate a limited number of DoFs, most existing methods rely on bulky optical components or intricate systems that employ time-consuming iterative methods and, most critically, the on-demand tailoring of multiple DoFs simultaneously through a compact, single element—remains underexplored. In this study, we propose an intelligent hybrid strategy that enables the simultaneous and customizable manipulation of six DoFs: wave vector, initial phase, spatial mode, amplitude, orbital angular momentum (OAM) and spin angular momentum (SAM). Our approach advances in phase-only property, which facilitates tailoring strategy experimentally demonstrated on a compact metasurface. A fabricated sample is tailored to realize arbitrary manipulation across six DoFs, constructing a 288-dimensional space. Notably, since the OAM eigenstates constitute an infinite dimensional Hilbert space, this proposal can be further extended to even higher dimensions. Proof-of-principle experiments confirm the effectiveness in manipulation capability and dimensionality. We envision that this powerful tailoring ability offers immense potential for multifunctional photonic devices across both classical and quantum scenarios and such compactness extending the dimensional capabilities for integration on-chip requirements.","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143853099","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Hybrid solar photovoltaic conversion and water desalination via quad-band fano-resonant optical coatings and superwicking cooling 通过四波段扇形谐振光学涂层和超排汗冷却实现太阳能光伏转换和海水淡化混合技术

Light-Science & Applications Pub Date : 2025-04-17 DOI: 10.1038/s41377-025-01796-z

Ran Wei, Tianshu Xu, Mingjiang Ma, Mohamed Elkabbash, Chunlei Guo

{"title":"Hybrid solar photovoltaic conversion and water desalination via quad-band fano-resonant optical coatings and superwicking cooling","authors":"Ran Wei, Tianshu Xu, Mingjiang Ma, Mohamed Elkabbash, Chunlei Guo","doi":"10.1038/s41377-025-01796-z","DOIUrl":"https://doi.org/10.1038/s41377-025-01796-z","url":null,"abstract":"Hybrid Photovoltaic/Thermal (HPT) systems simultaneously convert solar energy into electrical power and thermal energy. These systems are attractive as they enable the thermal management of PV cells to maintain optimal operating temperatures and maximize the overall solar energy conversion. Despite their advantages, HPT systems have been limited to storing solar energy in the form of heat or simple water/space heating, thus restricting the broader application scope of HPT systems, particularly in regions with abundant solar energy. Here, we introduce a device that expands the scope of HPT applications by realizing a hybrid PV/ water desalination system, achieved through the integration of a Fano-resonant optical coating (FROC) onto a silicon substrate, which is turned superwicking via femtosecond laser surface patterning. This configuration allows a single-junction amorphous silicon solar cell to operate under higher solar concentrations with much less heat conversion, achieving a temperature reduction of 101 °C and an efficiency improvement of 335.7% compared to a standalone photovoltaic system under the solar concentration of 5. At the same time, the interfacial water desalination achieves a 2 ({kg}{m}^{-2}{h}^{-1}) high evaporation rate. Over a 12-hour cycle, our HPT system showed a consistent performance, demonstrating a combined solar conversion efficiency of 79.6%. The demonstrated superwicking-FROC will pave the way for widespread adoption of HPT systems particularly in sunny coastal regions.","PeriodicalId":18069,"journal":{"name":"Light-Science & Applications","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143841467","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Large-scale cluster quantum microcombs

Light-Science & Applications Pub Date : 2025-04-16 DOI: 10.1038/s41377-025-01812-2

Ze Wang, Kangkang Li, Yue Wang, Xin Zhou, Yinke Cheng, Boxuan Jing, Fengxiao Sun, Jincheng Li, Zhilin Li, Bingyan Wu, Qihuang Gong, Qiongyi He, Bei-Bei Li, Qi-Fan Yang

引用次数: 0