Light, science & applications最新文献_第2页

Micro-patterning of spintronic emitters enables ultrabroadband structured terahertz radiation. 自旋电子发射器的微图案化实现了超宽带结构化太赫兹辐射。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-09-05 DOI: 10.1038/s41377-024-01579-y

Hou-Tong Chen

引用次数: 0

Ultra-low loss silicon nitride becomes even cooler. 超低损耗的氮化硅温度更低。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-09-05 DOI: 10.1038/s41377-024-01576-1

Dawn T H Tan, Xavier X Chia

引用次数: 0

Telecom-band multiwavelength vertical emitting quantum well nanowire laser arrays. 电信波段多波长垂直发射量子阱纳米线激光阵列。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-09-04 DOI: 10.1038/s41377-024-01570-7

Xutao Zhang, Fanlu Zhang, Ruixuan Yi, Naiyin Wang, Zhicheng Su, Mingwen Zhang, Bijun Zhao, Ziyuan Li, Jiangtao Qu, Julie M Cairney, Yuerui Lu, Jianlin Zhao, Xuetao Gan, Hark Hoe Tan, Chennupati Jagadish, Lan Fu

{"title":"Telecom-band multiwavelength vertical emitting quantum well nanowire laser arrays.","authors":"Xutao Zhang, Fanlu Zhang, Ruixuan Yi, Naiyin Wang, Zhicheng Su, Mingwen Zhang, Bijun Zhao, Ziyuan Li, Jiangtao Qu, Julie M Cairney, Yuerui Lu, Jianlin Zhao, Xuetao Gan, Hark Hoe Tan, Chennupati Jagadish, Lan Fu","doi":"10.1038/s41377-024-01570-7","DOIUrl":"10.1038/s41377-024-01570-7","url":null,"abstract":"Highly integrated optoelectronic and photonic systems underpin the development of next-generation advanced optical and quantum communication technologies, which require compact, multiwavelength laser sources at the telecom band. Here, we report on-substrate vertical emitting lasing from ordered InGaAs/InP multi-quantum well core-shell nanowire array epitaxially grown on InP substrate by selective area epitaxy. To reduce optical loss and tailor the cavity mode, a new nanowire facet engineering approach has been developed to achieve controlled quantum well nanowire dimensions with uniform morphology and high crystal quality. Owing to the strong quantum confinement effect of InGaAs quantum wells and the successful formation of a vertical Fabry-Pérot cavity between the top nanowire facet and bottom nanowire/SiO2 mask interface, stimulated emissions of the EH11a/b mode from single vertical nanowires from an on-substrate nanowire array have been demonstrated with a lasing threshold of ~28.2 μJ cm-2 per pulse and a high characteristic temperature of ~128 K. By fine-tuning the In composition of the quantum wells, room temperature, single-mode lasing is achieved in the vertical direction across a broad near-infrared spectral range, spanning from 940 nm to the telecommunication O and C bands. Our research indicates that through a carefully designed facet engineering strategy, highly ordered, uniform nanowire arrays with precise dimension control can be achieved to simultaneously deliver thousands of nanolasers with multiple wavelengths on the same substrate, paving a promising and scalable pathway towards future advanced optoelectronic and photonic systems.","PeriodicalId":18093,"journal":{"name":"Light, science & applications","volume":"13 1","pages":"230"},"PeriodicalIF":19.4,"publicationDate":"2024-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11372134/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126127","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

Long-range-interacting topological photonic lattices breaking channel-bandwidth limit. 打破信道带宽限制的长程相互作用拓扑光子晶格

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-09-02 DOI: 10.1038/s41377-024-01557-4

Gyunghun Kim, Joseph Suh, Dayeong Lee, Namkyoo Park, Sunkyu Yu

{"title":"Long-range-interacting topological photonic lattices breaking channel-bandwidth limit.","authors":"Gyunghun Kim, Joseph Suh, Dayeong Lee, Namkyoo Park, Sunkyu Yu","doi":"10.1038/s41377-024-01557-4","DOIUrl":"10.1038/s41377-024-01557-4","url":null,"abstract":"The presence of long-range interactions is crucial in distinguishing between abstract complex networks and wave systems. In photonics, because electromagnetic interactions between optical elements generally decay rapidly with spatial distance, most wave phenomena are modeled with neighboring interactions, which account for only a small part of conceptually possible networks. Here, we explore the impact of substantial long-range interactions in topological photonics. We demonstrate that a crystalline structure, characterized by long-range interactions in the absence of neighboring ones, can be interpreted as an overlapped lattice. This overlap model facilitates the realization of higher values of topological invariants while maintaining bandgap width in photonic topological insulators. This breaking of topology-bandgap tradeoff enables topologically protected multichannel signal processing with broad bandwidths. Under practically accessible system parameters, the result paves the way to the extension of topological physics to network science.","PeriodicalId":18093,"journal":{"name":"Light, science & applications","volume":"13 1","pages":"189"},"PeriodicalIF":19.4,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11366748/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142108925","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

Partial coherence boosts photonic computing. 部分相干促进光子计算。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-08-29 DOI: 10.1038/s41377-024-01571-6

Hang Chen, Fei Dai

引用次数: 0

Author Correction: Hertz-rate metropolitan quantum teleportation. 作者更正：赫兹速率都市量子传送。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-08-28 DOI: 10.1038/s41377-024-01442-0

Si Shen, Chenzhi Yuan, Zichang Zhang, Hao Yu, Ruiming Zhang, Chuanrong Yang, Hao Li, Zhen Wang, You Wang, Guangwei Deng, Haizhi Song, Lixing You, Yunru Fan, Guangcan Guo, Qiang Zhou

引用次数: 0

Light People: Prof. Juejun Hu, exploring the light. 光的人胡珏君教授，探索光明。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-08-27 DOI: 10.1038/s41377-024-01583-2

Tingting Sun

引用次数: 0

Phase preservation of orbital angular momentum of light in multiple scattering environment. 多重散射环境中光轨道角动量的相位保持。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-08-26 DOI: 10.1038/s41377-024-01562-7

Igor Meglinski, Ivan Lopushenko, Anton Sdobnov, Alexander Bykov

{"title":"Phase preservation of orbital angular momentum of light in multiple scattering environment.","authors":"Igor Meglinski, Ivan Lopushenko, Anton Sdobnov, Alexander Bykov","doi":"10.1038/s41377-024-01562-7","DOIUrl":"10.1038/s41377-024-01562-7","url":null,"abstract":"Recent advancements in wavefront shaping techniques have facilitated the study of complex structured light's propagation with orbital angular momentum (OAM) within various media. The introduction of spiral phase modulation to the Laguerre-Gaussian (LG) beam during its paraxial propagation is facilitated by the negative gradient of the medium's refractive index change over time, leading to a notable increase in the rate of phase twist, effectively observed as phase retardation of the OAM. This approach attains remarkable sensitivity to even the slightest variations in the medium's refractive index (∼10-6). The phase memory of OAM is revealed as the ability of twisted light to preserve the initial helical phase even propagating through the turbid tissue-like multiple scattering medium. The results confirm fascinating opportunities for exploiting OAM light in biomedical applications, e.g. such as non-invasive trans-cutaneous glucose diagnosis and optical communication through biological tissues and other optically dense media.","PeriodicalId":18093,"journal":{"name":"Light, science & applications","volume":"13 1","pages":"214"},"PeriodicalIF":19.4,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11347564/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073216","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

Ultra-broadband diffractive imaging with unknown probe spectrum. 利用未知探针光谱进行超宽带衍射成像。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-08-26 DOI: 10.1038/s41377-024-01581-4

Chuangchuang Chen, Honggang Gu, Shiyuan Liu

{"title":"Ultra-broadband diffractive imaging with unknown probe spectrum.","authors":"Chuangchuang Chen, Honggang Gu, Shiyuan Liu","doi":"10.1038/s41377-024-01581-4","DOIUrl":"10.1038/s41377-024-01581-4","url":null,"abstract":"Strict requirement of a coherent spectrum in coherent diffractive imaging (CDI) architectures poses a significant obstacle to achieving efficient photon utilization across the full spectrum. To date, nearly all broadband computational imaging experiments have relied on accurate spectroscopic measurements, as broad spectra are incompatible with conventional CDI systems. This paper presents an advanced approach to broaden the scope of CDI to ultra-broadband illumination with unknown probe spectrum, effectively addresses the key challenges encountered by existing state-of-the-art broadband diffractive imaging frameworks. This advancement eliminates the necessity for prior knowledge of probe spectrum and relaxes constraints on non-dispersive samples, resulting in a significant extension in spectral bandwidth, achieving a nearly fourfold improvement in bandlimit compared to the existing benchmark. Our method not only monochromatizes a broadband diffraction pattern from unknown illumination spectrum, but also determines the compressive sampled profile of spectrum of the diffracted radiation. This superiority is experimentally validated using both CDI and ptychography techniques on an ultra-broadband supercontinuum with relative bandwidth exceeding 40%, revealing a significantly enhanced coherence and improved reconstruction with high fidelity under ultra-broadband illumination.","PeriodicalId":18093,"journal":{"name":"Light, science & applications","volume":"13 1","pages":"213"},"PeriodicalIF":19.4,"publicationDate":"2024-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11347606/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142073217","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

Exciton-harvesting enabled efficient charged particle detection in zero-dimensional halides. 利用激子捕获技术实现了零维卤化物中带电粒子的高效检测。

IF 19.4 1区物理与天体物理

Light, science & applications Pub Date : 2024-08-14 DOI: 10.1038/s41377-024-01532-z

Qian Wang, Chenger Wang, Hongliang Shi, Jie Chen, Junye Yang, Alena Beitlerova, Romana Kucerkova, Zhengyang Zhou, Yunyun Li, Martin Nikl, Xilei Sun, Xiaoping OuYang, Yuntao Wu

{"title":"Exciton-harvesting enabled efficient charged particle detection in zero-dimensional halides.","authors":"Qian Wang, Chenger Wang, Hongliang Shi, Jie Chen, Junye Yang, Alena Beitlerova, Romana Kucerkova, Zhengyang Zhou, Yunyun Li, Martin Nikl, Xilei Sun, Xiaoping OuYang, Yuntao Wu","doi":"10.1038/s41377-024-01532-z","DOIUrl":"10.1038/s41377-024-01532-z","url":null,"abstract":"Materials for radiation detection are critically important and urgently demanded in diverse fields, starting from fundamental scientific research to medical diagnostics, homeland security, and environmental monitoring. Low-dimensional halides (LDHs) exhibiting efficient self-trapped exciton (STE) emission with high photoluminescence quantum yield (PLQY) have recently shown a great potential as scintillators. However, an overlooked issue of exciton-exciton interaction in LDHs under ionizing radiation hinders the broadening of its radiation detection applications. Here, we demonstrate an exceptional enhancement of exciton-harvesting efficiency in zero-dimensional (0D) Cs3Cu2I5:Tl halide single crystals by forming strongly localized Tl-bound excitons. Because of the suppression of non-radiative exciton-exciton interaction, an excellent α/β pulse-shape-discrimination (PSD) figure-of-merit (FoM) factor of 2.64, a superior rejection ratio of 10-9, and a high scintillation yield of 26 000 photons MeV-1 under 5.49 MeV α-ray are achieved in Cs3Cu2I5:Tl single crystals, outperforming the commercial ZnS:Ag/PVT composites for charged particle detection applications. Furthermore, a radiation detector prototype based on Cs3Cu2I5:Tl single crystal demonstrates the capability of identifying radioactive 220Rn gas for environmental radiation monitoring applications. We believe that the exciton-harvesting strategy proposed here can greatly boost the applications of LDHs materials.","PeriodicalId":18093,"journal":{"name":"Light, science & applications","volume":"13 1","pages":"190"},"PeriodicalIF":19.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11322634/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141976097","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