In this study, we introduce a sensing platform based on plasmonic metamaterial absorbers (MAs) with dielectric nanopedestals for the ultrasensitive detection of monolayer biomolecules. MAs nanopedestals, which allow access to extremely high near-field intensities forming top and bottom nanoantennas that further enhance molecular signals, consist cross-shaped gold (Au) an Au layer as mirror layer. The characteristics are compared control using unetched spacer. To provide strong coupling...

Nonlinear metasurfaces are advancing into a new paradigm of "flat nonlinear optics" owing to the ability engineer local responses in subwavelength-thin films. Recently, attempts have been made expand design space through chiral responses. However, development that display both giant circular dichroism and significantly large optical response is still an unresolved challenge. Herein, we propose method induces with near-unity using polaritonic modes plasmonic nanocavities coupled intersubband...

Abstract Intersubband transitions in semiconductor heterostructures offer a way to achieve large and designable nonlinearities with dynamic modulation of intersubband energies through the Stark effect. One promising approach for incorporating these into free space optics is nonlinear polaritonic metasurface, which derives resonant coupling between optical modes nanocavities. Recent work has shown efficient frequency mixing at low pumping intensities, ability electrically tune phase,...

Abstract Surface‐enhanced infrared absorption (SEIRA) spectroscopy is a powerful methodology for sensing and identifying small quantities of analyte molecules via coupling between molecular vibrations an enhanced near‐field induced in engineered structures. A metamaterial absorber (MA) proposed as efficient SEIRA platform; however, its efficiency limited because it requires the appropriate insulator thickness has accessible area sensing. using MA with 10 nm thick vertical nanogap,...

Abstract Nonlinear responses in metasurfaces have shown great promise for various applications, such as nonlinear holography, spectroscopy, and novel light sources. Metasurfaces that produce the advantage of greatly relaxed phase‐matching conditions, which can simplify optical systems. However, practical use with an accessible pump source requires giant responses. A multi‐quantum‐well‐loaded metasurface designed third‐harmonic generation at λ ≈ 8.9 µm a record‐high third‐order response is...

Electrically reconfigurable metasurfaces that overcome the static limitations in controlling fundamental properties of scattered light are opening new avenues for functional flat optics. This work proposes and experimentally demonstrates electrically phase-tunable mid-infrared based on polaritonic coupling Stark-tunable intersubband transitions semiconductor heterostructures electromagnetic modes plasmonic nanoresonators. In applied voltage range -3 to +3 V, local phase tuning reflects from...

We report an all-fiber acousto-optic tunable filter based on a two-mode photonic crystal fiber. The properties of fiber allow us to demonstrate notch from below 700to1700nm with single acoustic transducer. extreme dynamic range coupled small insertion loss and fast response time (∼100μs) makes this device promising for ultrawideband optical systems.

The wheel slip control systems are able to the braking force more accurately and can be adapted different vehicles easily than conventional systems. In order achieve superior performance through control, real-time information such as tire at each is required. addition, optimal target values need determined depending on objectives minimum distance, stability enhancement, etc. this paper, a vehicle system developed based monitor, controller, assignment algorithm. monitor estimates force,...

The poly (3,4-ethylenedioxythiophene) polymerized with (4-styrenesulfonate) (PEDOT:PSS) and multi walled carbon nanotube (MWNT)/PEDOT:PSS films were prepared on silicon oxide substrate using spin-coating method. work function changes of PEDOT:PSS MWNT/PEDOT:PSS as a annealing temperature investigated self-modified ultraviolet photoemission spectroscopy (UPS) equipment, which is connected ultra high vacuum (UHV) heating stage. Therefore, the effect work-function change film (and film)...

Abstract We report a sensing platform for surface-enhanced infrared absorption (SEIRA) spectroscopy, based on Fano metamaterials (FMMs) dielectric nanopedestals. FMMs consist of two parallel gold (Au) nanorod antennas, with small horizontal coupler attached to one the antenna. When placed SiO 2 nanopedestals, which exhibit strong field enhancements caused by interference between subradiant and superradiant plasmonic resonances, they provide highly enhanced E-field intensities formed near Au...

Abstract Metasurfaces that generate nonlinear optical responses provide new degrees of freedom for applications such as holography, wave mixing, and frequencies generation. To extend the utility flat optics, metasurfaces providing both giant response efficient frequency mixing in subwavelength films a single‐beam output with local wavefront control need to be developed. have recently been realized using concept intersubband polaritons. Separately, studied. However, metasurface platform...

The evanescent coupling from a photonic crystal resonator to micron-thick optical fiber is investigated in detail by using 3D-FDTD method. Properly designed cavity and taper structures are proposed, optimal operating conditions found enhance the strength while suppressing other losses including slab propagating mode higher-order mode. In simulation, into fundamental discriminated spatial parity filtering of FDTD results. efficiency more than 80% together with total Q factor 5,200 achieved...

Abstract The cordierite‐based ceramic catalyst filter (CCF) has attracted considerable attention as a promising future air purification system due to its ability filtrate particulate matter (PM), well decompose volatile organic compounds (VOCs) through ultraviolet (UV)‐activated photocatalytic reactions. Its performance, however, is strictly limited because majority of UV photons are absorbed near the entrance high‐aspect‐ratio air‐flow channels, thus, only portion photocatalysts activated...

The wheel slip control systems are able to the braking force more accurately and can be adapted different vehicles easily than conventional systems. In order achieve superior performance through control, real-time information such as tire at each is required. addition, optimal target values need determined depending on objectives minimum distance, stability enhancement, etc. this paper, a system developed for maximizing maintaining vehicle based monitor, controller assignment algorithm....

Wheel-slip control systems are able to the braking force more accurately and can be adapted different vehicles easily than conventional ABS systems. But, in order achieve superior performance through wheel-slip control, real-time information such as tire is required. For example, case of EHB (Electro-Hydraulic Brake) systems, cannot measured directly, but approximated based on characteristics brake disk-pad friction. The friction change significantly depending aging brake, moisture contact...

Processing-in-Memory (PIM) is an attractive device that can effectively satisfy the rapidly increasing demands for memory-intensive workloads in emerging application domains, such as deep learning and big data processing. Thanks to integrated design of main memory (MRAM) multiple processing units (DPUs) on a single chip, PIM devices provide massive parallelism from numerous DPUs substantial bandwidth between MRAM DPUs, thus achieving high performance workloads. However, although recent...

Several approach have been used to design Mando MGH ABS hydraulic system. Each component is analyzed with parameter study and finally made a customized model that reflect the real components. Parameters selected are applied of series production ABS(MGH-20). This process has components solenoid valves, pump, motor, inflow conduit, chamber fluid property throughout system operating range. allows function complex be estimated at limiting conditions such as low temperature, voltage mixed well...

An acoustic transducer for excitation of waves to an optical fibre with high efficiency and smooth frequency response is demonstrated. Reducing the size order wavelength has resulted in low power consumption smaller variations during tuning.

Mobile WiMAX Femtocell Access Point can acquire synchronization from the clock master with IEEE 1588 algorithm to deliver timing information over Ethernet. Thus, keep a high degree of accuracy and precision, reciprocity up/down links needs be guaranteed. However, speed is not same in every case it thus degrades performance. we analyze impact deterioration.

This paper reviewed recent results of Linear Flow control (LFC) and Motor Speed Control (MSC) for the new generation ABS in view performance NVH. The evaluated LFC MSC concepts actual vehicle comparison with conventional On-Off strategies. conclusions are that achieves better stopping distance compared methods by reducing average pressure dump maintaining optimal slip band; operation noise was drastically reduced introducing continuous rise instead pulse-up control; no gentle pumping...