Abstract Perfect lenses, superlenses and time-reversal mirrors can support spatially separate evanescent waves, which is the basis for detecting subwavelength information in far field. However, inherent limitations of these methods have prevented development systems to dynamically distinguish subdiffraction-limited signals. Utilizing physical merits spoof surface plasmon polaritons (SPPs), we demonstrate that signals be transmitted on planar integrated SPP channels with low loss, channel...

Abstract Persistent phosphor as a printing anti‐counterfeiting material has attracted strong attention owing to its inherent luminescent decay process and multi‐mode luminescence characteristics under external field stimulation. However, the dynamic persistent (PersL) pattern of single is only manifested in color changes still faces problem being easily decrypted. Herein, multi‐color with wide range distribution traps developed, which can emit white PersL. In addition, phosphors show an...

Low sidelobe longitudinal slot array antennas are investigated based on substrate integrated waveguide (SIW) technology. The design method consists of the characterisation radiating element, synthesis linear and development planar including a feeding power divider by performing full-wave electromagnetic simulations for final accurate design. Two fabricated with normal printed circuit board (PCB) process. features verified measured results which in agreement simulated results. For an 8×8 SIW...

Manipulating the dispersion behaviors of electromagnetic (EM) waves at subwavelength scale provides many exciting physical phenomena and functionalities such as phase matching, gain enhancement, super resolution, slow light. Among manipulations, surface plasmon polaritons (SPPs) are typical EM modes to control wave flows owing their sensitivity designed decorations on metal–dielectric interfaces. However, either interfaces or decoration surfaces, it is challenging construct reconfigurable...

Digital coding and digital modulation are the foundation of modern information science. The combination technology with metamaterials provides a powerful scheme for spatial temporal controls electromagnetic waves. Such technique, however, has thus far been limited to control free-space light. Its application plasmonics shape subwavelength fields still remains elusive. Here, we report design experimental realization tunable conformal plasmonic metasurface, which is capable digitally...

We propose a method to design transmission-spectrum-controllable spoof surface plasmon polaritons (SPPs) based on the interaction between SPP waveguide and frequency tunable metamaterial (MTM) particles. To achieve MTM particles, we introduce varactor-diodes into split-ring resonators (SRRs). Taking advantage of sub-wavelength scale SRRs, fabricate compact SPPs. Both simulated measured results demonstrate excellent dynamic control transmission coefficients at microwave frequencies.

Abstract A tunable spoof surface plasmon transmission line (SSP‐TL) is proposed and investigated, which periodically loaded with varactors short‐circuit stubs. Compared the common SSP‐TL open‐circuit stubs, exhibits better compactness higher tunability. The dispersion impedance features are analyzed using T‐matrix method. can also be biased in a conventional microstrip bias circuit, seamlessly integrated into circuits. As applications, frequency‐reconfigurable compact Wilkinson power divider...

Abstract The cathode interface materials (CIMs) are crucial for organic solar cells (OSCs). Herein, excellent CIMs PDINN‐Br and PDINN‐2Br reported, by bromination of PDINN. Both them have strong work function (WF) tunability, self‐doping properties, film‐forming properties. They show higher electron mobility (over 2 × 10 −4 cm V −1 s ) conductivity (≈5 −5 S than Grazing‐incidence wide‐angle X‐ray scattering measurements (GIWAXS) illustrate that has more ordered arrangement PDINN PDINN‐Br....

Large dipole moment additives have strong interactions with the host materials, which can optimize morphology and improve photovoltaic performance of organic solar cells (OSCs). However, these are difficult to remove due their intermolecular interactions, may impair stability. Developing volatile large moments is challenging. Herein, we first report imide that could effectively OSCs through modification. Three N-(o-chlorophenyl)phthalimide (oClPA), N-(m-chlorophenyl)phthalimide (mClPA),...

Abstract Chronic pain is associated with persistent alterations in brain structure and function. However, existing research has not fully explored the relationship between network topological properties clinical symptoms patients chronic low back-related leg (cLBLP). In this study, we collected resting-state functional structural magnetic resonance imaging data, along symptom evaluation from 32 cLBLP 31 healthy controls. A large-scale complex analysis was conducted to evaluate global nodal...

In this paper, an ultrathin asymmetric Mach-Zehnder interferometer (MZI) based on spoof surface plasmon polaritons (SSPPs) is proposed. The asymmetry in the MZI structure induces a phase difference between SSPPs waves propagating upper and lower arms of device, leading to interference valleys output signal. Additionally, by loading two varactor diodes arm MZI, position can be manipulated varying bias voltage diodes. When applied decreases (capacitance increases), there remarkably significant...

Abstract Large dipole moment additives have strong interactions with the host materials, which can optimize morphology and improve photovoltaic performance of organic solar cells (OSCs). However, these are difficult to remove due their intermolecular interactions, may impair stability. Developing volatile large moments is challenging. Herein, we first report imide that could effectively OSCs through modification. Three N ‐( o ‐chlorophenyl)phthalimide ( ClPA), m p ClPA) were screened...

In this paper, a dynamic controllable unequal power divider based on spoof plasmonic waveguide loaded with varactors is proposed, which mainly composed of double-sided corrugated metal strip coupled two branch single-sided strips. order to allocate electromagnetic (EM) energy flexibly, are in the coupling gap adjust coefficient. Both simulation and measurement results prove that proposed can control distribution ratio real time manner range 4.5–6 GHz frequency band maximum allocation 2.7 at...

A challenge for frequency-reconfigurable antennas is how to realize miniaturized structures while preserving satisfying radiation performance in whole operation bandwidth. To address this problem, we apply planar periodic slow-wave structure (PSWS) with controlled dispersion features miniaturization of antenna. Due the subwavelength property and large propagation constant, design holds a much more compact size than conventional microstrip structures. The proposed antenna consists...

Aiming at the problems of low efficiency, single function and complex structure existing dichroic metamirrors, actively tunable linear circular metamirrors based on single-layer graphene are proposed in this study. The designed mainly composed ion-gel, patterned graphene, polyimide, polysilicon gold substrates. anisotropy achiral structures can be used to realize dichroism (0.8) (0.9) two directions same time without functional switching. Additionally, incidence angle electromagnetic waves,...

As microprocessor chips integrate a growing number of cores, the issue interconnection becomes more important for overall system performance and efficiency. Compared to traditional distributed shared-memory architecture, chip-multiprocessors offer different set design constraints opportunities. result, conventional packet-relay multiprocessor interconnect architecture is valid, but not necessarily optimal, point. For example, advantage off-the-shelf in-field scalability are less in...

Due to the abilities of remarkable field confinements and enhancements, plasmonic surfaces supporting spoof surface plasmon polaritons (SPPs) are important artificial structures with many potential applications. In this paper, we propose analytical derivation dispersion formulation metallic complicated subwavelength decorations using a field-network joint solution, which offers new scheme obtain relations surfaces. Based on proposed method, could predict not only relationship between...