Nanophotonics最新文献_第4页

Dual-band high-Q quasi-BIC metasurface for refractive index sensing 折射率传感用双波段高q准bic超表面

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0250

Xunjie Lin, Yunfei Luo, Dongxian Li, Zhe Tang, Yue Li, Kaipeng Liu, Qingguo Du, Changtao Wang, Weisheng Yue

{"title":"Dual-band high-Q quasi-BIC metasurface for refractive index sensing","authors":"Xunjie Lin, Yunfei Luo, Dongxian Li, Zhe Tang, Yue Li, Kaipeng Liu, Qingguo Du, Changtao Wang, Weisheng Yue","doi":"10.1515/nanoph-2025-0250","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0250","url":null,"abstract":"Sensitive and miniaturized optical sensing device is highly desirable in various biosensing applications. This study reports a dual-band, high-quality-factor (Q factor) quasi-bound states in the continuum (quasi-BIC) metasurface for refractive index sensing, operating across the visible (700–800 nm) and near-infrared (950–1,000 nm) spectral ranges. By incorporating asymmetric dual nanoholes into an all-dielectric silicon metasurface, symmetry-protected BIC modes are transformed into quasi-BIC, resulting in two distinct Fano-type resonance peaks. Numerical simulations and experimental validations demonstrate that precise control over resonance wavelengths and quality factors can be achieved by adjusting the nanohole radius and positional offsets (Δ), yielding a theoretical Q-factor of 2,250. The sensor exhibits a refractive index sensitivity of 151.6 nm/RIU for the visible band (Q-BIC I) and 61.1 nm/RIU for the near-infrared band (Q-BIC II), with a signal-to-noise ratio (SNR) of 285, significantly outperforming existing nanohole-based biosensors. Fabricated using CMOS-compatible processes, the device employs cost-effective visible-light detectors, eliminating the need for specialized infrared materials. This work advances the development of high-sensitivity, miniaturized refractive index sensing platforms, offering promising applications in biomedical diagnostics and environmental monitoring.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"29 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145043798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Phase-matched electron–photon interactions enabled by 3D-printed helical waveguides 3d打印螺旋波导实现相位匹配电子-光子相互作用

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0297

Masoud Taleb, Mohsen Samadi, Nahid Talebi

引用次数: 0

Can the success of digital super-resolution networks be transferred to passive all-optical systems? 数字超分辨网络的成功能否转移到无源全光系统？

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0294

Matan Kleiner, Lior Michaeli, Tomer Michaeli

{"title":"Can the success of digital super-resolution networks be transferred to passive all-optical systems?","authors":"Matan Kleiner, Lior Michaeli, Tomer Michaeli","doi":"10.1515/nanoph-2025-0294","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0294","url":null,"abstract":"The deep learning revolution has increased the demand for computational resources, driving interest in efficient alternatives like all-optical diffractive neural networks (AODNNs). These systems operate at the speed of light without consuming external energy, making them an attractive platform for energy-efficient computation. One task that could greatly benefit from an all-optical implementation is spatial super-resolution. This would allow overcoming the fundamental resolution limitation of conventional optical systems, dictated by their numerical aperture. Here, we examine whether the success of digital super-resolution networks can be replicated with AODNNs considering networks with phase-only nonlinearities. We find that while promising, super-resolution AODNNs face two key physical challenges: (i) a tradeoff between reconstruction fidelity and energy preservation along the optical path and (ii) a limited dynamic range of input intensities that can be effectively processed. These findings offer a first step toward understanding and addressing the design constraints of passive, all-optical super-resolution systems.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"24 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145043389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Resonant metasurface-enabled quantum light sources for single-photon emission and entangled photon-pair generation 用于单光子发射和纠缠光子对产生的共振超表面量子光源

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0196

Feng Pan, Priyanuj Bordoloi, Chih-Yi Chen, Jennifer A. Dionne

{"title":"Resonant metasurface-enabled quantum light sources for single-photon emission and entangled photon-pair generation","authors":"Feng Pan, Priyanuj Bordoloi, Chih-Yi Chen, Jennifer A. Dionne","doi":"10.1515/nanoph-2025-0196","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0196","url":null,"abstract":"Light encodes information in multiple degrees of freedom (e.g., frequency, amplitude, and phase), enabling high-speed, high-bandwidth communication through fiber optics. Unlike classical light, quantum light (single or entangled photons) can transmit quantum states over long distances without loss of coherence, thereby coherently interconnecting quantum nodes for distributed quantum entanglement. Quantum light sources are critical for developing scalable quantum networks aimed at distributed quantum computing, quantum teleportation, and secure quantum communications. However, existing quantum light sources suffer from limited integrability, insufficient spectral and spatial tunability, and inefficiencies in achieving mass-produced, deterministic, on-demand quantum light generation. These limitations significantly hinder progress toward direct, on-chip integration with quantum processing units and detectors – an essential step toward scalable quantum networks. Resonant metasurfaces that leverage photonic modes – such as Mie resonances, guided-mode resonances, or symmetry-protected bound states in the continuum – offer strong spatial and temporal confinement of electromagnetic fields, characterized by high quality factors and small mode volumes. These metasurfaces greatly enhance linear and nonlinear light-matter interactions, making them ideal for efficient on-chip quantum light generation and manipulation. Here, we describe recent advances in nanoscale quantum light sources and quantum photonic state manipulation enabled by resonant metasurfaces. We also provide an outlook on next-generation miniaturized quantum light sources achievable through materials innovations in quantum emitters, the co-design of resonant metasurfaces, and ultimately, the heterogeneous integration of emerging layered van der Waals materials with resonant metasurfaces.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"17 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145043348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Statistical regimes of electromagnetic wave propagation in randomly time-varying media 随机时变介质中电磁波传播的统计机制

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0322

Seulong Kim, Kihong Kim

{"title":"Statistical regimes of electromagnetic wave propagation in randomly time-varying media","authors":"Seulong Kim, Kihong Kim","doi":"10.1515/nanoph-2025-0322","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0322","url":null,"abstract":"Wave propagation in time-varying media enables unique control of energy transport by breaking energy conservation through temporal modulation. Among the resulting phenomena, temporal disorder – random fluctuations in material parameters – can suppress propagation and induce localization, analogous to Anderson localization. However, the statistical nature of this process remains incompletely understood. We present a comprehensive analytical and numerical study of electromagnetic wave propagation in spatially uniform media with randomly time-varying permittivity. Using the invariant imbedding method, we derive exact moment equations and identify three distinct statistical regimes for initially unidirectional input: gamma-distributed energy at early times, negative exponential statistics at intermediate times, and a quasi-log-normal distribution at long times, distinct from the true log-normal. In contrast, symmetric bidirectional input yields genuine log-normal statistics across all time scales. These findings are validated using two complementary disorder models – delta-correlated Gaussian noise and piecewise-constant fluctuations – demonstrating that the observed statistics are robust and governed by input symmetry. Momentum conservation constrains the long-time behavior, linking the statistical outcome to the initial conditions. Our results establish a unified framework for understanding statistical wave dynamics in time-modulated systems and offer guiding principles for the design of dynamically tunable photonic and electromagnetic devices.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"50 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145043349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Anomalous optical gradient force induced by polarization-tuned antisymmetry in energy density gradient 能量密度梯度中极化调谐反对称引起的反常光学梯度力

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0223

Lv Feng, Ziyi Su, Ruohu Zhang, Zhigang Li, Bingjue Li, Guanghao Rui

{"title":"Anomalous optical gradient force induced by polarization-tuned antisymmetry in energy density gradient","authors":"Lv Feng, Ziyi Su, Ruohu Zhang, Zhigang Li, Bingjue Li, Guanghao Rui","doi":"10.1515/nanoph-2025-0223","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0223","url":null,"abstract":"The spatial inhomogeneity of electromagnetic energy density in an optical field typically gives rise to conservative gradient forces, which serve as the fundamental mechanism for trapping nanoparticles in optical tweezers. Surprisingly, however, we demonstrate that even in the absence of an energy density gradient, optical gradient forces can still act on isotropic, achiral particles when the incident field consists of counter-propagating plane waves engineered to exhibit polarization-controlled antisymmetry between the electric and magnetic energy density gradients. Through both numerical simulations and analytical derivations based on multipole expansion theory, we show that this anomalous gradient force arises from the electromagnetic symmetry breaking induced by the particle itself, irrespective of its size. Notably, this electromagnetic symmetry breaking-induced gradient force reaches its maximum under elliptical polarization at the specific position, rather than linear or circular polarization, underscoring the critical role of polarization configuration in modulating energy density gradients. These findings reveal a previously unrecognized mechanism for optical gradient force generation and deepen our understanding of the role of hidden antisymmetry in structured light fields.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"38 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145043353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Space–time graded-index interfaces and related chirping 时空分级索引接口及相关啁啾

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0308

Zhiyu Li, Xikui Ma, Klaas De Kinder, Amir Bahrami, Christophe Caloz

引用次数: 0

Enhancing angular photonic spin Hall effect at surface plasmon resonance 增强表面等离子体共振的角光子自旋霍尔效应

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0206

Cherrie May Olaya, Norihiko Hayazawa, Maria Herminia Balgos, Takuo Tanaka

引用次数: 0

Breakdown of the effective medium theory: a perspective from Goos–Hänchen shift 有效媒介理论的瓦解：一个来自Goos-Hänchen shift的视角

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-10 DOI: 10.1515/nanoph-2025-0314

Wenqian Gong, Yiyu Shi, Zhenxing Liu, Chi Zhang, Zhiwei Cui, Yu Chen, Xinxing Zhou

引用次数: 0

Structural-color-enabled multispectral heterostructure for infrared and laser camouflage 用于红外和激光伪装的结构彩色多光谱异质结构

IF 7.5 2区物理与天体物理

Nanophotonics Pub Date : 2025-09-03 DOI: 10.1515/nanoph-2025-0303

Wenhao Wang, Long Wang, Tonghao Liu, Yina Cui, Liuying Wang, Gu Liu, Yangming Pang, Xu Wu, Xinyu Zhu, Xiaohui Chi, Haoke Yang, Xiaohu Wu

{"title":"Structural-color-enabled multispectral heterostructure for infrared and laser camouflage","authors":"Wenhao Wang, Long Wang, Tonghao Liu, Yina Cui, Liuying Wang, Gu Liu, Yangming Pang, Xu Wu, Xinyu Zhu, Xiaohui Chi, Haoke Yang, Xiaohu Wu","doi":"10.1515/nanoph-2025-0303","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0303","url":null,"abstract":"The multimodal detection system has gradually been perfected, essentially covering the entire optical spectrum, posing a significant threat to the survival of objects. To counter this escalating detection threat, the demand for multispectral-compatible camouflage (MCC) is increasingly urgent. However, there are inherent conflicts in the principles of camouflage for visible light, infrared (IR), and lasers, necessitating spectrally selective design to reconcile these conflicting requirements. Here, we propose a multilayer film structure with heterostructure coupling, utilizing resonant cavities, destructive interference, and double-metal defect layers to achieve MCC, integrating IR, laser, and visible light. These MCC films exhibit low emissivity in the dual IR bands (∼0.2 at 3–5 μm and ∼0.4 at 7.5–13 μm) for high-temperature thermal camouflage, low reflectance at 10.6 μm (∼0.3) for reducing laser signal, and demonstrate excellent insensitivity to angles and polarization. By varying the thickness of the resonant cavity, a wide color gamut in the visible light range is achieved, maintaining efficient IR and laser compatibility while integrating diverse structural colors. This work offers a promising and pattern-free method for MCC design, holding great potential in thermal management and camouflage.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"28 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930339","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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