We establish an adaptive batch-normalized neural network, aiming to implement smart and rapid inverse design for graphene-based metamaterials with on-demand optical responses.

Two-dimensional materials (2DMs) such as graphene and black phosphorus (BP) have aroused considerable attentions in the past few years. Engineering enhancing their light-matter interaction is possible due to support for localized surface plasmon resonances infrared regime. In this paper, we proposed an broadband absorber consisting of multilayer graphene-BP nanoparticles sandwiched between dielectric layers. Benefiting from properties BP, exhibits both perfect responses strong anisotropy...

In mobile communication, the signal that a base station received cannot be regarded as point source anymore because of multipath propagation. A distributed model is more suitable for realistic scenarios. this paper, an approach direction-of-arrival (DOA) estimation proposed coherently (CD) sources consisting circular and noncircular signals in massive or large-scale multiple-input multiple-output system. The characteristic can improve performance DOA estimation. However, most algorithms are...

Partial discharge (PD) is the manifestation of insulation degradation, and it regarded as a great risk in field industrial high-voltage system. In this paper, direction-of-arrival (DOA) estimation algorithm used for localization partial-discharge source. The intersecting point two rays, which come from different directions measured by uniform linear arrays (ULAs), can be plane location Fast rise times pulses result wide electromagnetic spectrum, thus paper focuses on DOA wideband signals....

Intelligent transportation systems (ITSs) of industrial have played an important role in Internet things (IOT). The assistant calibration system (ACS) vehicles is emerging technology, which services the driver to drive vehicle safely. To solve some existing problems ACS such as frequency pairing, localization judgment, and driving curve road, two direction-of-arrival (DOA) estimation-based approaches are proposed resolve these problems. However, performance most conventional DOA estimation...

In this paper, we present an anisotropic metamaterial (AMM) composed of a sub-wavelength metal grating sandwiched with bi-layered double-arrow-shaped (DAS) structure array, which can achieve high-efficiency circular polarization (CP) conversion via giant asymmetric transmission (AT) in terahertz (THz) region. Numerical simulation results indicate that near complete CP cross-polarization coefficients reach 0.91 and 0.93, be observed at 0.31 0.55 THz, respectively. Based on the combination...

Enhancing the light–matter interaction of graphene is an important issue for related photonic devices and applications. In view its potential ultraviolet applications, we aim to achieve extremely high absorption in without any nanostructure or microstructure patterning. By manipulating polarization angle incident light, power can be sufficiently coupled optical dissipation based on single-channel coherent perfect optimized multilayered thin film structure. The absorbance ratios single four...

The construction of a battlefield surveillance system is very important for monitoring the attack enemy aircrafts and missiles, which integrates various sensors mobile devices. Then, multiple systems can be connected together to form network. nodes deployed in certain region monitor missiles. Thus, some issues have solved efficiently, including cooperation across administrative domains cloud network, direction-of-arrival (DOA), polarization estimation algorithm wireless sensor network...

In this paper, a new architecture for the emergency healthcare system based on mobile cloud computation (MCC) and fifth-generation (5G) wireless link is proposed. Based processing speed of MCC communication rate 5G scheme, can monitor locate patients in real time. Multiple base stations massive multiple input output cooperate with each other to using cross-location method. Then, direction-of-arrival (DOA) estimation algorithm proposed presence unknown mutual coupling. The uncorrelated...

Abstract Mid-infrared absorption spectroscopy is a powerful tool to identify analytes by detecting their material fingerprint in label-free way, but it faces barriers on trace-amount analysis due the difficulties enhancing broadband spectral signals. Here, we propose sensing scheme based angular scanning of polarized light dielectric metagrating, and demonstrate numerical simulation. This approach not only indicates series significant signal enhancement factors over 30 times an ultra-wide...

Abstract Graphdiyne (GDY), a two-dimensional carbon material with sp- and sp 2 -hybridization, is recognized for its unique electronic properties well-dispersed porosity. Its versatility has led to use in variety of applications. The precise control this material's paramount effective utilization nano-optical devices. One method regulation, which circumvents the need additional disturbances, involves application external stress. This technique provides direct means eliciting changes...

An unsplit-field and accurate Crank-Nicolson cycle-sweep-uniform finite-difference time-domain (CNCSU-FDTD) method based on the complex-frequency-shifted perfectly matched layer (CFS-PML) is proposed. It applied to 3-D low-frequency subsurface electromagnetic sensing problems. The presented CNCSU-FDTD takes advantage of both CFS-PML unconditionally stable CN so that it can attenuate evanescent waves, eliminate late-time reflections, overcome stability limits FDTD method. time step intervals...

New phases of group IV–VI semiconductors in 2D hexagonal structures are predicted and their unusual physical properties revealed.

ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionCorrection to "Electronic and Magnetic Diversity of Graphone/Graphene Superlattices"Xiao-Qing TianXiao-Qing TianMore by Xiao-Qing Tianhttps://orcid.org/0000-0002-4482-0268, Maryam KianiMaryam KianiMore Kiani, Ya-Dong WeiYa-Dong WeiMore Wei, Naixing FengNaixing FengMore Feng, Zhi-Rui GongZhi-Rui GongMore Gong, Xiang-Rong Wang*Xiang-Rong WangMore Wang, Yu Du*Yu DuMore...

Efficient and unsplit-field implementations of the higher-order PML based on digital signal processing (DSP) techniques complex frequency shifted perfectly matched layer (CFS-PML) formulations are proposed to truncate finite-difference time-domain (FDTD) computational domains. The CFS-PML implementation is introduced stretched coordinate (SC-PML) uniaxial anisotropic (UPML), respectively. These completely independent material properties FDTD domain hence can be applied arbitrary media...

Due to the polarization diversity (PD) of element patterns caused by varying curvature conformal carrier, conventional direction-of-arrival (DOA) estimation algorithms could not be applied array. In order describe PD array, parameter is considered in snapshot data model. The paramount difficulty for DOA coupling between angle information and parameter. Based on characteristic cylindrical decoupling can realized with a specially designed array structure. 2D-DOA accomplished via parallel...

As an emerging anisotropic two-dimensional (2-D) material, few-atomic-layer black phosphorus (BP) has shown some promising potentials for infrared optoelectronics. Engineering and enhancing its light-matter interaction is significant many advanced photonic devices. In view of this, we aim to achieve extremely high absorption in monolayer BP with/without subwavelength patterning. By optimizing the polarization angle incident light, dielectric thickness, <italic...