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Large-area sensors using Cd(Zn)O plasmonic nanoparticles for surface-enhanced infrared absorption 采用Cd(Zn)O等离子体纳米粒子表面增强红外吸收的大面积传感器
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-26 DOI: 10.1515/nanoph-2025-0020
Pablo Ibañez-Romero, Eduardo Martínez Castellano, Javier Yeste, Fernando Gonzalez-Posada, Thierry Taliercio, Vicente Muñoz-Sanjosé, Miguel Montes Bajo, Adrian Hierro
{"title":"Large-area sensors using Cd(Zn)O plasmonic nanoparticles for surface-enhanced infrared absorption","authors":"Pablo Ibañez-Romero, Eduardo Martínez Castellano, Javier Yeste, Fernando Gonzalez-Posada, Thierry Taliercio, Vicente Muñoz-Sanjosé, Miguel Montes Bajo, Adrian Hierro","doi":"10.1515/nanoph-2025-0020","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0020","url":null,"abstract":"Surface-enhanced infrared absorption (SEIRA) spectroscopy holds significant promise for chemical detection as it enables direct identification of distinct vibrational fingerprints of molecules. Traditionally, SEIRA has been exploited through the use of tailored metallic nanoantennas, which are burdened by high losses in the mid infrared and costly nanofabrication techniques. In this work, we introduce an alternative, simpler approach using self-assembled Cd(Zn)O nanoparticles as a SEIRA platform. We demonstrate enhancements of the vibrational absorption of several molecular bonds in polymethyl methacrylate and vanillin up to a factor of 4.3. Such enhancements scale linearly with the surface density of nanoparticles, which can be controlled through the growth conditions. Thanks to the tunability of our platform, we report extended sensing capabilities to high energies in the mid-IR, reaching as high as 3,800 cm<jats:sup>−1</jats:sup>. All in all, we present a proof of concept for large-area, simple preparation, ready-to-sense surfaces that has the potential to be scaled up to become a prominent technology for mid-IR molecule sensing.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"16 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145837","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
Tutorial: Hong–Ou–Mandel interference with structured photons 教程：结构光子的Hong-Ou-Mandel干涉
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-26 DOI: 10.1515/nanoph-2025-0034
Tareq Jaouni, Xuemei Gu, Mario Krenn, Alessio D’Errico, Ebrahim Karimi
{"title":"Tutorial: Hong–Ou–Mandel interference with structured photons","authors":"Tareq Jaouni, Xuemei Gu, Mario Krenn, Alessio D’Errico, Ebrahim Karimi","doi":"10.1515/nanoph-2025-0034","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0034","url":null,"abstract":"The Hong–Ou–Mandel (HOM) effect, an effective two-photon interference phenomenon, is a cornerstone of quantum optics and a key tool for linear optical quantum information processing. While the HOM effect has been extensively studied both theoretically and experimentally for various photonic quantum states, particularly in the spectral domain, detailed overviews of its behaviour for structured photons – those with complex spatial profiles – under arbitrary spatial mode measurement schemes are still lacking. This tutorial aims to fill this gap by providing a comprehensive theoretical analysis of the HOM effect for structured photons, including an arbitrary mode projection on quantum interference outcomes. The tutorial also provides analytical, closed-form expressions of the HOM visibility under different measurement conditions.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"239 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145804","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
Near-field refractometry of van der Waals crystals 范德华晶体的近场折射法
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-26 DOI: 10.1515/nanoph-2025-0117
Martin Nørgaard, Torgom Yezekyan, Stefan Rolfs, Christian Frydendahl, N. Asger Mortensen, Vladimir A. Zenin
{"title":"Near-field refractometry of van der Waals crystals","authors":"Martin Nørgaard, Torgom Yezekyan, Stefan Rolfs, Christian Frydendahl, N. Asger Mortensen, Vladimir A. Zenin","doi":"10.1515/nanoph-2025-0117","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0117","url":null,"abstract":"Common techniques for measuring refractive indices, such as ellipsometry and goniometry, are ineffective for van der Waals crystal flakes because of their high anisotropy and small, micron-scale, lateral size. To address this, we employ near-field optical microscopy to analyze the guided optical modes within these crystals. By probing these modes in MoS<jats:sub>2</jats:sub> flakes with subwavelength spatial resolution at a wavelength of 1,570 nm, we determine both the in-plane and out-of-plane permittivity components of MoS<jats:sub>2</jats:sub> as 16.11 and 6.25, respectively, with a relative uncertainty below 1 %, while overcoming the limitations of traditional methods.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"33 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145855","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 dispersion in coupled surface plasmons and excitons 耦合表面等离子体和激子中的反常色散
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-26 DOI: 10.1515/nanoph-2025-0036
Leila Hesami, Md Golam Rabbani Chowdhury, Mikhail A. Noginov
{"title":"Anomalous dispersion in coupled surface plasmons and excitons","authors":"Leila Hesami, Md Golam Rabbani Chowdhury, Mikhail A. Noginov","doi":"10.1515/nanoph-2025-0036","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0036","url":null,"abstract":"We studied dispersion in Rhodamine laser dyes in the Kretschmann geometry and found (i) multi-branch “staircase” dispersion curves in singly doped and double doped PMMA polymer, (ii) emergence of the new dispersion “fork” branch, (iii) unparallel dispersion and coupling in the mixture of two different dyes, and (iv) effect of high dye concentration on strong coupling without metal.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"48 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145834","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
Phonon controlled transmission properties of metasurfaces under strong light–matter coupling 强光-物质耦合下声子控制的超表面传输特性
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-26 DOI: 10.1515/nanoph-2025-0123
Zengshun Jiang, Kewei Sun, Yang Zhao, Konstantin Dorfman
{"title":"Phonon controlled transmission properties of metasurfaces under strong light–matter coupling","authors":"Zengshun Jiang, Kewei Sun, Yang Zhao, Konstantin Dorfman","doi":"10.1515/nanoph-2025-0123","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0123","url":null,"abstract":"In the strong light–matter coupling regime, the transmission properties of metasurfaces have a remarkable similarity to those of typical two-level systems. In this work, we explore the absorption spectra of a metasurface coupled to a quantum phonon bath using the time-dependent variational principle and the flexible multi-D2 Davydov trial states. In the weak light–matter coupling regime, phonon coupling has minimal impact on system dissipation. However, in the strong coupling regime, it significantly influences dissipation dynamics. Additionally, a phonon bath with a selected number of strongly coupled modes near the phonon center line substantially narrows the absorption spectrum linewidth by controlling dissipation through a few phonon channels. These findings demonstrate the critical role of the phonon bath in shaping metasurface transmission properties, offering a promising approach for the precise engineering of metasurfaces.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"4 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144145852","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
Scalable VO2-metal metasurface enabling adaptive and frequency-selective infrared switching 可扩展的vo2金属超表面实现自适应和频率选择红外开关
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-22 DOI: 10.1515/nanoph-2025-0074
Haoxuan Xun, Hang Wei, Jian Chen, Rui Wang, Huan Guan, Hongyu Zhu, Shuliang Dou, Jinxin Gu, Yunbin He, Xiaofeng Li, Yaohui Zhan
{"title":"Scalable VO2-metal metasurface enabling adaptive and frequency-selective infrared switching","authors":"Haoxuan Xun, Hang Wei, Jian Chen, Rui Wang, Huan Guan, Hongyu Zhu, Shuliang Dou, Jinxin Gu, Yunbin He, Xiaofeng Li, Yaohui Zhan","doi":"10.1515/nanoph-2025-0074","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0074","url":null,"abstract":"Infrared windows-enabled infrared inspection has significant applications in both civilian and military domains. However, the static and indiscriminate transparency across the visible to infrared regions renders them vulnerable to potential laser damage. In this study, we construct a dynamic infrared optical switch based on a vanadium dioxide (VO<jats:sub>2</jats:sub>)–Al metasurface structure. The phase transition of VO<jats:sub>2</jats:sub> enables dynamic transmittance switching, while the Al metasurface confines this capability to specific wavelengths to mitigate unwanted interferences. The infrared switch transmits light within the 8–14 μm range only in its “ON” state, reflecting other wavelengths across the visible to infrared spectrum. The underlying physics is attributed to plasmon-induced extraordinary optical transmission combined with the reconfigurable metatronic properties of the VO<jats:sub>2</jats:sub> layer. Moreover, while maintaining excellent optical performance, we utilize full-wave simulations to enlarge the feature sizes of the Al metasurface structure to meet the demands for large-area fabrication. This advancement paves the way for practical applications of infrared switches, highlighting significant research implications for intelligent infrared windows and enhancing our understanding of light–matter interactions in reconfigurable photothermal devices.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"14 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144122395","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
Ultrafast plasmonic rotors for electron beams 电子束用超快等离子体转子
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-22 DOI: 10.1515/nanoph-2025-0037
Fatemeh Chahshouri, Nahid Talebi
{"title":"Ultrafast plasmonic rotors for electron beams","authors":"Fatemeh Chahshouri, Nahid Talebi","doi":"10.1515/nanoph-2025-0037","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0037","url":null,"abstract":"The interaction between free electrons and laser-induced near-fields provides a platform to study ultrafast processes and quantum phenomena while enabling precise manipulation of electron wavefunctions through linear and orbital momentum transfer. Here, by introducing phase offset between two orthogonally polarized laser pulses exciting a gold nanorod, we generate a rotating plasmonic near-field dipole with clockwise and counterclockwise circulating orientations and investigate its interaction with a slow electron beam. Our findings reveal that the circulation direction of plasmonic fields plays a crucial role in modulating electron dynamics, enhancing coupling strength, and controlling recoil. Furthermore, synchronizing the interaction time of the electron beam with rotational dipolar plasmonic resonances results in significant transfer of angular momentum to the electron beams and deflects the electron wavepackets from their original trajectory. These findings highlight the potential of plasmon rotors for shaping electron wavepackets, offering promising applications in ultrafast microscopy, spectroscopy, and quantum information processing.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"154 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144122393","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
Theoretical studies of modulation instability, Fermi–Pasta–Ulam recurrence and pattern formation in an ultra-silicon-rich-nitride Bragg grating 超富硅氮化布拉格光栅调制不稳定性、Fermi-Pasta-Ulam递归和图样形成的理论研究
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-22 DOI: 10.1515/nanoph-2025-0073
Amdad Chowdury, Benjamin J. Eggleton, Dawn T.H. Tan
{"title":"Theoretical studies of modulation instability, Fermi–Pasta–Ulam recurrence and pattern formation in an ultra-silicon-rich-nitride Bragg grating","authors":"Amdad Chowdury, Benjamin J. Eggleton, Dawn T.H. Tan","doi":"10.1515/nanoph-2025-0073","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0073","url":null,"abstract":"Ultra-silicon-rich nitride Bragg gratings provide a powerful platform for precise light manipulation in photonic chips. Their exceptionally high nonlinearity and strong grating-induced dispersion near the stop-band edges significantly reduce the power and length required for chip-scale light–matter interactions. Using computational methods, we theoretically investigate modulational instability, Fermi–Pasta–Ulam recurrence, and pattern formation in this platform within the framework of the Akhmediev breather. We assess their experimental feasibility and show that this platform can generate a high-quality pulse train at the output. We demonstrate that modulational instability can be triggered in the gratings as short as 1–2 mm, leading to Akhmediev breather formation. By analyzing the full dispersion profile, we identify pump wavelengths that generate new frequencies and show that the grating also can produce a comb-like discrete spectrum. Furthermore, we reveal that even with high loss, parametric amplification at the grating output is possible, highlighting its potential as a nonlinear platform for frequency comb generation, wavelength-multiplexed data transmission, and high-precision pulse processing.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"19 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113960","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
Absorption and amplification singularities in metasurface etalons with gain 具有增益的超表面标准子的吸收和放大奇异性
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-21 DOI: 10.1515/nanoph-2025-0085
Nelson de Gaay Fortman, Georg-Michael Krause, Peter Schall, A. Femius Koenderink
{"title":"Absorption and amplification singularities in metasurface etalons with gain","authors":"Nelson de Gaay Fortman, Georg-Michael Krause, Peter Schall, A. Femius Koenderink","doi":"10.1515/nanoph-2025-0085","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0085","url":null,"abstract":"Passive reflective metasurfaces can possess perfect absorption conditions: Singular scattering anomalies at which all impinging light is absorbed. Perfect absorption is a common yet powerful metasurface design option with applications in energy harvesting, sensing, and more. Less common is the inclusion of optical gain to the system, which can give rise to a singular condition for perfect amplification. We analyze absorption and amplification singularities in plasmon antenna metasurface etalons with gain with a simple transfer matrix model. Our etalon follows the Salisbury screen design: A metal ground plate spaced by dielectric medium from an array of resonant plasmonic scatterers. We include frequency dispersive models for gain media and discuss the limitations of time reversal symmetry arguments for relating gain singularity conditions (reflectivity poles) to the well-known perfect absorption conditions (reflectivity zeros) of metasurface etalons. We show that for metasurface etalons with both gain and loss, gain can induce both perfect absorption and gain singularities, and we describe topological constraints on their creation and annihilation. Our findings have implications for the fields of non-Hermitian photonics, parity-time symmetric scattering systems, and dynamically controllable active metasurface pixels.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"89 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113998","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
Quantum light: creation, integration, and applications 量子光：创造、整合与应用
IF 7.5 2区 物理与天体物理
Nanophotonics Pub Date : 2025-05-21 DOI: 10.1515/nanoph-2025-0180
Huan Zhao, Han Htoon, Philippe Goldner, Mengjie Yu, Matthew Sheldon, Antonio I. Fernández-Domínguez
{"title":"Quantum light: creation, integration, and applications","authors":"Huan Zhao, Han Htoon, Philippe Goldner, Mengjie Yu, Matthew Sheldon, Antonio I. Fernández-Domínguez","doi":"10.1515/nanoph-2025-0180","DOIUrl":"https://doi.org/10.1515/nanoph-2025-0180","url":null,"abstract":"In today’s rapidly evolving quantum landscape, the generation and manipulation of quantum light not only represent fundamental challenges but also herald unprecedented opportunities in communication, computing, sensing, and imaging. This special issue brings together a collection of contributions that span the entire journey, from the creation of quantum light using novel materials and emitters to its seamless integration into photonic architectures and eventual deployment in advanced quantum applications. This special issue, “<jats:italic>Quantum Light: Creation, Integration, and Applications</jats:italic>,” features a collection of three review articles, five perspectives, and 23 original research papers, highlighting both the timeliness of the topic and the remarkable breadth and richness of ongoing advancements in the field.","PeriodicalId":19027,"journal":{"name":"Nanophotonics","volume":"57 1","pages":""},"PeriodicalIF":7.5,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113999","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
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