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| 1 | Foveated glasses-free 3D display with ultrawide field of view via a large-scale 2D-metagrating complex显示文摘Glasses-free three-dimensional(3D)displays are one of the game-changing technologies that will redefine the display industry in portable electronic devices.However,because of the limited resolution in state-of-the-art display panels,current 3D displays suffer from a critical trade-off among the spatial resolution,angular resolution,and viewing angle.Inspired by the so-called spatially variant resolution imaging found in vertebrate eyes,we propose 3D display with spatially variant information density.Stereoscopic experiences with smooth motion parallax are maintained at the central view,while the viewing angle is enlarged at the periphery view.It is enabled by a large-scale 2D-metagrating complex to manipulate dot/linear/rectangular hybrid shaped views.Furthermore,a video rate full-color 3D display with an unprecedented 160°horizontal viewing angle is demonstrated.With thin and light form factors,the proposed 3D system can be integrated with off-the-shelf purchased flat panels,making it promising for applications in portable electronics. | Jianyu Hua Erkai Hua Fengbin Zhou Jiacheng Shi Chinhua Wang Huigao Duan Yueqiang Hu Wen Qiao Linsen Chen | 2021 | Light(Science & Applications)2021，10，11： | 14 |
| 2 | Stepwise-Nanocavity-Assisted Transmissive Color Filter Array Microprints显示文摘Visible-light color flters using patterned nanostructures have attracted much interest due to their various advantages such as compactness,enhanced stability,and environmental friendliness compared with traditional pigment or dye-based optical flters.While most existing studies are based on planar nanostructures with lateral variation in size,shape,and arrangement,the vertical dimension of structures is a long-ignored degree of freedom for the structural colors.Herein,we demonstrate a synthetic platform for transmissive color flter array by coordinated manipulations between height-varying nanocavities and their lateral flling fractions.Te thickness variation of those nanocavities has been fully deployed as an alternative degree of freedom,yielding vivid colors with wide gamut and excellent saturation.Experimental results show that the color-rendering capability of the pixelated nanocavities can be still retained as pixels are miniaturized to 500 nm.Crosstalk between closely spaced pixels of a Bayer color flter arrangement was calculated,showing minimal crosstalk for 1μm2 square subpixels.Our work provides an approach to designing and fabricating ultracompact color flter arrays for various potential applications including stained-glass microprints,microspectrometers,and high-resolution image sensing systems. | Yasi Wang Mengjie Zheng Qifeng Ruan Yanming Zhou Yiqin Chen Peng Dai Zhengmei Yang Zihao Lin Yuxiang Long Ying Li Na Liu Cheng-Wei Qiu Joel K.W.Yang Huigao Duan | 2018 | Research2018，，1： | 8 |
| 3 | 3D-Integrated metasurfaces for full-colour holography显示文摘Metasurfaces enable the design of optical elements by engineering the wavefront of light at the subwavelength scale.Due to their ultrathin and compact characteristics,metasurfaces possess great potential to integrate multiple functions in optoelectronic systems for optical device miniaturisation.However,current research based on multiplexing in the 2D plane has not fully utilised the capabilities of metasurfaces for multi-tasking applications.Here,we demonstrate a 3D-integrated metasurface device by stacking a hologram metasurface on a monolithic Fabry–Pérot cavity-based colour filter microarray to simultaneously achieve low-crosstalk,polarisation-independent,high-efficiency,full-colour holography,and microprint.The dual functions of the device outline a novel scheme for data recording,security encryption,colour displays,and information processing.Our 3D integration concept can be extended to achieve multi-tasking flat optical systems by including a variety of functional metasurface layers,such as polarizers,metalenses,and others. | Yueqiang Hu Xuhao Luo Yiqin Chen Qing Liu Xin Li Yasi Wang Na Liu Huigao Duan | 2019 | Light(Science & Applications)2019，8，1： | 6 |
| 4 | Sub-10 nm fabrication:methods and applications显示文摘Reliable fabrication of micro/nanostructures with sub-10 nm features is of great significance for advancing nanoscience and nanotechnology.While the capability of current complementary metal-oxide semiconductor(CMOS)chip manufacturing can produce structures on the sub-10 nm scale,many emerging applications,such as nano-optics,biosensing,and quantum devices,also require ultrasmall features down to single digital nanometers.In these emerging applications,CMOS-based manufacturing methods are currently not feasible or appropriate due to the considerations of usage cost,material compatibility,and exotic features.Therefore,several specific methods have been developed in the past decades for different applications.In this review,we attempt to give a systematic summary on sub-10 nm fabrication methods and their related applications.In the first and second parts,we give a brief introduction of the background of this research topic and explain why sub-10 nm fabrication is interesting from both scientific and technological perspectives.In the third part,we comprehensively summarize the fabrication methods and classify them into three main approaches,including lithographic,mechanics-enabled,and post-trimming processes.The fourth part discusses the applications of these processes in quantum devices,nano-optics,and high-performance sensing.Finally,a perspective is given to discuss the challenges and opportunities associated with this research topic. | Yiqin Chen Zhiwen Shu Shi Zhang Pei Zeng Huikang Liang Mengjie Zheng Huigao Duan | 2021 | International Journal of Extreme Manufacturing2021，3，3： | 4 |
| 5 | Metasurface-enabled on-chip multiplexed diffractive neural networks in the visible显示文摘Replacing electrons with photons is a compelling route toward high-speed,massively parallel,and low-power artificial intelligence computing.Recently,diffractive networks composed of phase surfaces were trained to perform machine learning tasks through linear optical transformations.However,the existing architectures often comprise bulky components and,most critically,they cannot mimic the human brain for multitasking.Here,we demonstrate a multi-skilled diffractive neural network based on a metasurface device,which can perform on-chip multi-channel sensing and multitasking in the visible.The polarization multiplexing scheme of the subwavelength nanostructures is applied to construct a multi-channel classifier framework for simultaneous recognition of digital and fashionable items.The areal density of the artificial neurons can reach up to 6.25×10^(6)mm^(-2) multiplied by the number of channels.The metasurface is integrated with the mature complementary metal-oxide semiconductor imaging sensor,providing a chip-scale architecture to process information directly at physical layers for energy-efficient and ultra-fast image processing in machine vision,autonomous driving,and precision medicine. | Xuhao Luo Yueqiang Hu Xiangnian Ou Xin Li Jiajie Lai Na Liu Xinbin Cheng Anlian Pan Huigao Duan | 2022 | Light(Science & Applications)2022，11，7： | 4 |
| 6 | Emerging miniaturized energy storage devices for microsystem applications:from design to integration显示文摘The rapid progress of micro/nanoelectronic systems and miniaturized portable devices has tremendously increased the urgent demands for miniaturized and integrated power supplies.Miniaturized energy storage devices(MESDs),with their excellent properties and additional intelligent functions,are considered to be the preferable energy supplies for uninterrupted powering of microsystems.In this review,we aim to provide a comprehensive overview of the background,fundamentals,device configurations,manufacturing processes,and typical applications of MESDs,including their recent advances.Particular attention is paid to advanced device configurations,such as two-dimensional(2D)stacked,2D planar interdigital,2D arbitrary-shaped,three-dimensional planar,and wire-shaped structures,and their corresponding manufacturing strategies,such as printing,scribing,and masking techniques.Additionally,recent developments in MESDs,including microbatteries and microsupercapacitors,as well as microhybrid metal ion capacitors,are systematically summarized.A series of on-chip microsystems,created by integrating functional MESDs,are also highlighted.Finally,the remaining challenges and future research scope on MESDs are discussed. | Huaizhi Liu Guanhua Zhang Xin Zheng Fengjun Chen Huigao Duan | 2020 | International Journal of Extreme Manufacturing2020，2，4： | 4 |
| 7 | Dielectric metalens for miniaturized imaging systems:progress and challenges显示文摘Lightweight, miniaturized optical imaging systems are vastly anticipated in these fields of aerospace exploration, industrial vision, consumer electronics, and medical imaging. However, conventional optical techniques are intricate to downscale as refractive lenses mostly rely on phase accumulation. Metalens, composed of subwavelength nanostructures that locally control light waves, offers a disruptive path for small-scale imaging systems. Recent advances in the design and nanofabrication of dielectric metalenses have led to some high-performance practical optical systems. This review outlines the exciting developments in the aforementioned area whilst highlighting the challenges of using dielectric metalenses to replace conventional optics in miniature optical systems. After a brief introduction to the fundamental physics of dielectric metalenses, the progress and challenges in terms of the typical performances are introduced. The supplementary discussion on the common challenges hindering further development is also presented, including the limitations of the conventional design methods, difficulties in scaling up, and device integration. Furthermore, the potential approaches to address the existing challenges are also deliberated. | Meiyan Pan Yifei Fu Mengjie Zheng Hao Chen Yujia Zang Huigao Duan Qiang Li Min Qiu Yueqiang Hu | 2022 | Light(Science & Applications)2022，11，8： | 3 |
| 8 | Tailoring polysulfide trapping and kinetics by engineering hollow carbon bubble nanoreactors for high-energy Li-S pouch cells显示文摘Despite great progress of lithium-sulfur(Li-S)battery performance at the laboratory-level,both key parameters and challenges at cell scales to achieve practical high energy density require high-sulfur-loading cathodes and lean electrolytes.Herein,a novel carbon foam integrated by hollow carbon bubble nanoreactors with ultrahigh pore volume of 6.9 cm3·g−1 is meticulously designed for ultrahigh sulfur content up to 96 wt.%.Tailoring polysulfide trapping and ion/electron transport kinetics during the charge-discharge process can be achieved by adjusting the wall thickness of hollow carbon bubbles.And a further in-depth understanding of electrochemical reaction mechanism for the cathode is impelled by the in-situ Raman spectroscopy.As a result,the as-prepared cathode delivers high specific capacitances of 1,269 and 695 mAh·g−1 at 0.1 and 5 C,respectively.Furthermore,Li-S pouch cells with high areal sulfur loading of 6.9 mg·cm−2 yield exceptional practical energy density of 382 Wh·kg−1 under lean electrolyte of 3.5µL·mg−1,which demonstrates the great potential for realistic high-energy Li-S batteries. | Lei Wang Shuangke Liu Jin Hu Xianan Zhang Xin Li Guanhua Zhang Yujie Li Chunman Zheng Xiaobin Hong Huigao Duan | 2021 | Nano Research2021，14，5： | 3 |
| 9 | Accurate inverse design of Fabry–Perot-cavity-based color filters far beyond sRGB via a bidirectional artificial neural network显示文摘Structural color based on Fabry–Perot(F-P) cavity enables a wide color gamut with high resolution at submicroscopic scale by varying its geometrical parameters. The ability to design such parameters that can accurately display the desired color is therefore crucial to the manufacturing of F-P cavities for practical applications.This work reports the first inverse design of F-P cavity structure using deep learning through a bidirectional artificial neural network. It enables the production of a significantly wider coverage of color space that is over 215% of sRGB with extremely high accuracy, represented by an average ΔE_(2000) value below 1.2. The superior performance of this structural color-based neural network is directly ascribed to the definition of loss function in the uniform CIE 1976-Lab color space. Over 100,000 times improvement in the design efficiency has been demonstrated by comparing the neural network to the metaheuristic optimization technique using an evolutionary algorithm when designing the famous painting of 'Haystacks, end of Summer' by Claude Monet. Our results demonstrate that, with the correct selection of loss function, deep learning can be very powerful to achieve extremely accurate design of nanostructured color filters with very high efficiency. | PENG DAI YASI WANG YUEQIANG HU C.H.DE GROOT OTTO MUSKENS HUIGAO DUAN RUOMENG HUANG | 2021 | Photonics Research2021，9，5： | 2 |
| 10 | 3D Printed Ultrastretchable,Hyper-Antifreezing Conductive Hydrogel for Sensitive Motion and Electrophysiological Signal Monitoring显示文摘Conductive hydrogels with high stretchability can extend their applications as a flexible electrode in electronics,biomedicine,human-machine interfaces,and sensors.However,their time-consuming fabrication and narrow ranges of working temperature and working voltage severely limit their further potential applications.Herein,a conductive nanocomposite network hydrogel fabricated by projection microstereolithography(PμSL)based 3D printing is proposed,enabling fast fabrication ability with high precision.The 3D printed hydrogels exhibit ultra-stretchability(2500%),hyper-antifreezing(-125℃),extremely low working voltage(<100μV),and super cyclic tensile stability(1 million cycles).The hydrogel-based strain sensor can probe both large-scale and tiny human motions,even with ultralow voltage of 100μV at extremely low temperature around-115℃.It is demonstrated that the present hydrogels can be used as a flexible electrode for capturing human electrophysiological signals(EOG and EEG),where the alpha and beta waves from the brain can be recorded precisely.Therefore,the present hydrogels will pave the way for the development of next-generation intelligent electronics,especially for those working under extremely lowtemperature environments. | Zhaolong Wang Lei Chen Yiqin Chen Peng Liu Huigao Duan Ping Cheng | 2020 | Research2020，，1： | 2 |
| 11 | Kirigami-inspired multiscale patterning of metallic structures via predefined nanotrench templates显示文摘Reliable fabrication of multiscale metallic patterns with precise geometry and size at both the nanoscale and macroscale is of importance for various applications in electronic and optical devices.The existing fabrication processes,which usually involve film deposition in combination with electron-beam patterning,are either timeconsuming or offer limited precision.Inspired by the kirigami,an ancient handicraft art of paper cutting,this work demonstrates an electron-beam patterning process for multiscale metallic structures with significantly enhanced efficiency and precision.Similar to the kirigami,in which the final pattern is defined by cutting its contour in a paper and then removing the unwanted parts,we define the target multiscale structures by first creating nanotrench contours in a metallic film via an electron-beam-based process and then selectively peeling the separated film outside the contours.Compared with the conventional approach,which requires the exposure of the whole pattern,much less exposure area is needed for nanotrench contours,thus enabling reduced exposure time and enhanced geometric precision due to the mitigated proximity effect.A theoretical model based on interface mechanics allows a clear understanding of the nanotrench-assisted selective debonding behaviour in the peeling process.By using this fabrication process,multiscale metallic structures with sub-10-nm up to submillimetre features can be reliably achieved,having potential applications for anti-counterfeiting and gap-plasmon-enhanced spectroscopy. | Mengjie Zheng Yiqin Chen Zhi Liu Yuan Liu Yasi Wang Peng Liu Qing Liu Kaixi Bi Zhiwen Shu Yihui Zhang Huigao Duan | 2019 | Microsystems & Nanoengineering2019，5，1： | 2 |
| 12 | Highly active Fe_(7)S_(8) encapsulated in N-doped hollow carbon nanofibers for high-rate sodium-ion batteries显示文摘Nanostructured iron sulfides are regarded as a potential anode material for sodium-ion batteries in virtue of the rich natural abundance and remarkable theoretical capacity.However,poor rate performance and inferior cycling stability caused by sluggish kinetics and volume swelling represent two main obstacles at present. The previous research mainly focuses on nanostructure design and/or hybridizing with conductive materials.Further boosting the property by adjusting Fe/S atomic ratio in iron sulfides is rarely reported.In this work,Fe_7 S_8 and FeS_2 encapsulated in N-doped hollow carbon fibers(NHCFs/Fe_7 S_8 and NHCFs/FeS_2) are constructed by a combined chemical bath deposition and subsequent sulfidation treatment.The well-designed NHCFs/Fe_(7) S_(8) electrode displays a remarkable capacity of 517 mAh g^(-1) at 2 A g^(-1)after 1000 cycles and a superb rate capability with a capability of 444 mAh g^(-1) even at 20 A g^(-1) in etherbased electrolyte.Additionally,the rate capability of NHCFs/Fe_(7) S_(8) is superior to that of the contrast NHCFs/FeS_(2) electrode and also much better than the values of the most previously reported iron sulfide-based anodes.The in-depth mechanism explanation is explained by further experimental analysis and theoretical calculation,revealing Fe_(7) S_(8) displays improved intrinsic electronic conductivity and faster Na^(+) diffusion coefficient as well as higher reaction reversibility. | Chengzhi Zhang Donghai Wei Fei Wang Guanhua Zhang Junfei Duan Fei Han Huigao Duan Jinshui Liu | 2021 | Journal of Energy Chemistry2021，30，2： | 1 |
| 13 | Angular momentum holography via a minimalist metasurface for optical nested encryption显示文摘Metasurfaces can perform high-performance multi-functional integration by manipulating the abundant physical dimensions of light,demonstrating great potential in high-capacity information technologies.The orbital angular momentum(OAM)and spin angular momentum(SAM)dimensions have been respectively explored as the independent carrier for information multiplexing.However,fully managing these two intrinsic properties in information multiplexing remains elusive.Here,we propose the concept of angular momentum(AM)holography which can fully synergize these two fundamental dimensions to act as the information carrier,via a single-layer,non-interleaved metasurface.The underlying mechanism relies on independently controlling the two spin eigenstates and arbitrary overlaying them in each operation channel,thereby spatially modulating the resulting waveform at will.As a proof of concept,we demonstrate an AM meta-hologram allowing the reconstruction of two sets of holographic images,i.e.,the spin-orbital locked and the spin-superimposed ones.Remarkably,leveraging the designed dual-functional AM meta-hologram,we demonstrate a novel optical nested encryption scheme,which is able to achieve parallel information transmission with ultra-high capacity and security.Our work opens a new avenue for optionally manipulating the AM,holding promising applications in the fields of optical communication,information security and quantum science. | Hui Yang Peng He Kai Ou Yueqiang Hu Yuting Jiang Xiangnian Ou Honghui Jia Zhenwei Xie Xiaocong Yuan Huigao Duan | 2023 | Light(Science & Applications)2023，12，4： | 1 |
| 14 | Osiers-sprout-like heteroatom-doped carbon nanofibers as ultrastable anodes for lithium/sodium ion storage显示文摘我们报导一在里面准备 osiers-sprout-like 的 situ carbothermic 减小过程做 heteroatom 的碳 nanofibers。铜盐和唯一的退火进程的剂量在这唯一的碳结构的开发有关键效果。系统的分析被执行阐明与碳装饰的碳 nanofibers 的合成的可能的机制起泡。作为为可充电的锂 / 钠离子电池的阳极,做 heteroatom 的 nanofibers 展览高度可逆能力和令人满意的长期的骑车稳定性。osiers-sprout-like 做 heteroatom 的碳 nanofiber 电极交付骑车的 ultrastable 有 480 和 160 mAh 据的可逆能力的性能?? | Hang Zhang Guanhua Zhang Zhiqin Li Ke Qu Huimin Shi Qingfeng Zhang Huigao Duan Jianhui Jiang | 2018 | Nano Research2018，11，7： | 1 |
| 15 | Structural properties and photoluminescence of TiO2 nanofibers were fabricated by electrospinning显示文摘 | Zhao Jianguo Jia Changwen Duan Huigao | 2008 | J Alloys Compd2008，461，： | 1 |
| 16 | Nanoforest of hierarchical Co 3 O 4 @NiCo 2 O 4 nanowire arrays for high-performance supercapacitors显示文摘 | Guanhua Zhang Taihong Wang Xinzhi Yu Haonan Zhang Huigao Duan Bingan Lu | 2013 | Nano Energy2013，，5： | 1 |
| 17 | Record-Breaking Frequency of 44 GHz Based on the Higher Order Mode of Surface Acoustic Waves with LiNbO_(3)/SiO_(2)/SiC Heterostructures显示文摘Surface acoustic wave (SAW) technology has been extensively explored for wireless communication, sensors, microfluidics, photonics, and quantum information processing. However, due to fabrication issues, the frequencies of SAW devices are typically limited to within a few gigahertz, which severely restricts their applications in 5G communication, precision sensing, photonics, and quantum control. To solve this critical problem, we propose a hybrid strategy that integrates a nanomanufacturing process (i.e., nanolithography) with a LiNbO_(3)/SiO_(2)/SiC heterostructure and successfully achieve a record-breaking frequency of about 44 GHz for SAW devices, in addition to large electromechanical coupling coefficients of up to 15.7%. We perform a theoretical analysis and identify the guided higher order wave modes generated on these slow-on-fast SAW platforms. To demonstrate the superior sensing performance of the proposed ultra-high-frequency SAW platforms, we perform micro-mass sensing and obtain an extremely high sensitivity of approximately 33151.9 MHz·mm2·μg−1, which is about 1011 times higher than that of a conventional quartz crystal microbalance (QCM) and about 4000 times higher than that of a conventional SAW device with a frequency of 978 MHz. | Jian Zhou Dinghong Zhang Yanghui Liu Fengling Zhuo Lirong Qian Honglang Li Yong-Qing Fu Huigao Duan | 2023 | Engineering2023，，1： | 1 |
| 18 | High-Speed Parallel Plasmonic Direct-Writing Nanolithography Using Metasurface-Based Plasmonic Lens显示文摘Simple and efficient nanofabrication technology with low cost and high flexibility is indispensable for fundamental nanoscale research and prototyping.Lithography in the near field using the surface plasmon polariton(i.e.,plasmonic lithography)provides a promising solution.The system with high stiffness passive nanogap control strategy on a high-speed rotating substrate is one of the most attractive highthroughput methods.However,a smaller and steadier plasmonic nanogap,new scheme of plasmonic lens,and parallel processing should be explored to achieve a new generation high resolution and reliable efficient nanofabrication.Herein,a parallel plasmonic direct-writing nanolithography system is established in which a novel plasmonic flying head is systematically designed to achieve around 15 nm minimum flying-height with high parallelism at the rotating speed of 8–18 m·s^(-1).A multi-stage metasurface-based polarization insensitive plasmonic lens is proposed to couple more power and realize a more confined spot compared with conventional plasmonic lenses.Parallel lithography of the nanostructures with the smallest(around 26 nm)linewidth is obtained with the prototyping system.The proposed system holds great potential for high-freedom nanofabrication with low cost,such as planar optical elements and nano-electromechanical systems. | Yueqiang Hu Ling Li Rong Wang Jian Song Hongdong Wang Huigao Duan Jiaxin Ji Yonggang Meng | 2021 | Engineering2021，7，11： | 0 |
| 19 | A new strategy to minimize humidity influences on acoustic wave ultraviolet sensors using ZnO nanowires wrapped with hydrophobic silica nanoparticles显示文摘Surface acoustic wave(SAW)technology has been widely developed for ultraviolet(UV)detection due to its advantages of miniaturization,portability,potential to be integrated with microelectronics,and passive/wireless capabilities.To enhance UV sensitivity,nanowires(NWs),such as ZnO,are often applied to enhance SAW-based UV detection due to their highly porous and interconnected 3D network structures and good UV sensitivity.However,ZnO NWs are normally hydrophilic,and thus,changes in environmental parameters such as humidity will significantly influence the detection precision and sensitivity of SAW-based UV sensors.To solve this issue,in this work,we proposed a new strategy using ZnO NWs wrapped with hydrophobic silica nanoparticles as the effective sensing layer.Analysis of the distribution and chemical bonds of these hydrophobic silica nanoparticles showed that numerous C-F bonds(which are hydrophobic)were found on the surface of the sensitive layer,which effectively blocked the adsorption of water molecules onto the ZnO NWs.This new sensing layer design minimizes the influence of humidity on the ZnO NW-based UV sensor within the relative humidity range of 10–70%.The sensor showed a UV sensitivity of 9.53 ppm(mW/cm^(2))^(−1),with high linearity(R^(2) value of 0.99904),small hysteresis(<1.65%)and good repeatability.This work solves the long-term dilemma of ZnO NW-based sensors,which are often sensitive to humidity changes. | Yihao Guo Jian Zhou Zhangbin Ji Yanghui Liu Rongtao Cao Fengling Zhuo Kaitao Tan Huigao Duan Yongqing Fu | 2022 | Microsystems & Nanoengineering2022，8，6： | 0 |
| 20 | Nanobridged rhombic antennas supporting both dipolar and high-order plasmonic modes with spatially superimposed hotspots in the mid-infrared显示文摘Mid-infrared antennas(MIRAs)support highly-efficient optical resonance in the infrared,enabling multiple applications,such as surface-enhanced infrared absorption(SEIRA)spectroscopy and ultrasensitive mid-infrared detection.However,most MIRAs such as dipolar-antenna structures support only narrow-band dipolar-mode resonances while high-order modes are usually too weak to be observed,severely limiting other useful applications that broadband resonances make possible.In this study,we report a multiscale nanobridged rhombic antenna(NBRA)that supports two dominant reson-ances in the MIR,including a charge-transfer plasmon(CTP)band and a bridged dipolar plasmon(BDP)band which looks like a quadruple resonance.These assignments are evidenced by scattering-type scanning near-field optical micro-scopy(s-SNOM)imaging and electromagnetic simulations.The high-order mode only occurs with nanometer-sized bridge(nanobridge)linked to the one end of the rhombic arm which mainly acts as the inductance and the resistance by the circuit analysis.Moreover,the main hotspots associated with the two resonant bands are spatially superimposed,en-abling boosting up the local field for both bands by multiscale coupling.With large field enhancements,multiband detec-tion with high sensitivity to a monolayer of molecules is achieved when using SEIRA.Our work provides a new strategy possible to activate high-order modes for designing multiband MIRAs with both nanobridges and nanogaps for such MIR applications as multiband SEIRAs,IR detectors,and beam-shaping of quantum cascade lasers in the future. | En-Ming You Yiqin Chen Jun Yi Zhao-Dong Meng Qian Chen Song-Yuan Ding Huigao Duan Martin Moskovits Zhong-Qun Tian | 2021 | Opto-Electronic Advances2021，4，12： | 0 |
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