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Abstract We use the two dimensional finite element method (2D-FEM) in the frequency domain to characterize the transmission properties of 90°-bend periodic segmented waveguides (PSWs). We investigated the dependence of ...

Integrated planar lenses are critical components for analog optical information processing that enable a wide range of applications including beam steering. Conventional planar lenses require gradient index control which...

Abstract In this paper, it is demonstrated that the efficiency and ability to transfer power to the load in three-coil wireless power transfer (WPT) systems are always higher than in equivalent four-coil ones. On the oth...

High-end magnetron sputtering targets serve as the core foundational materials for fabricating critical functional films used in integrated circuits and flat panel displays. China currently faces a high external dependen...

Background: Osteoporosis has long been considered a disorder confined to bone tissue. Growing evidence now highlights its systemic origins, governed by intricate communication between multiple organs. The multi-organ-bon...

A temperature-doubler circuit is the functional equivalent of a voltage-doubler in the thermal domain. Effective temperature-doubler circuits could benefit energy scavenging from fluctuating thermal resources, e.g. the d...

Relata-se o caso de um cão, sem raça definida, levado ao veterinário por apresentar cansaço fácil e episódios de síncope. Foram identificadas fibrilação atrial e extra-sístoles ventriculares isoladas ao exame e...

Integrated quantum photonics is now seen as one of the promising approaches to realize scalable quantum information systems. With optical waveguides based on silicon photonics technologies, we can realize quantum optical...

High-efficiency and high-speed photodetectors with broadband responses are playing pivotal roles for wavelength-division multiplexing optical communications. Germanium photodetectors on silicon platforms exhibit potentia...

Abstract Background Electrical stimulation of cell culture systems has shown significant potential benefits, attracting growing interest in bioelectrical research and tissue engineering. However, implementing effective s...

The relationship between “marginal” and “mainstream” science has, in recent decades, become a matter of discussion. Traditional perspectives must be reexamined in the wake of transformations in the international ...

Plasmonic nanoantennas with suitable far-field characteristics are of huge interest for utilization in optical wireless links, inter-/intrachip communications, LiDARs, and photonic integrated circuits due to their except...

This article examines higher education and knowledge as Global Public Goods from a Global South perspective, arguing that their roles in development, inclusion, and innovation cannot be fully understood through dominant ...

Las grandes corporaciones, pertenecientes al circuito superior de la economía urbana, despliegan estrategias de expansión que reconfiguran las formas de comercialización y consumo. Éstas, articulan su accionar en un ...

Optical materials with nearly zero refractive indices have driven emerging applications ranging from geometry-invariant optical tunneling, nonlinear optics, optical cloaking to thermal emission manipulation. In conventio...

El propósito de este artículo es dar cuenta de la experiencia de los circuitos de producción de alimentos frescos en pequeña escala que se relacionan con la economía social y con la promoción estatal de la agricult...

Semiconductor nanowires have been used in a variety of passive and active optoelectronic devices including waveguides, photodetectors, solar cells, light-emitting diodes (LEDs), lasers, sensors, and optical ant...

Recent years have enjoyed a strong interest in exploring properties and applications of random quantum circuits. In this work, we explore the ensemble of t-doped Clifford circuits on n qubits, consisting of Clifford circ...

Conventional antennas, which are widely employed to transmit radio and TV signals, can be used at optical frequencies as long as they are shrunk to nanometer-size dimensions. Optical nanoantennas made of metallic or high...

Optimization of design parameters based on electromagnetic simulation of microwave circuits is a timeconsuming and iterative procedure. To provide a fast and accurate frequency response for a given case study, this paper...

Este texto apresenta algumas hipóteses e idéias sobre o comércio de abastecimento da cidade de São Paulo, entre os anos 1765-1822, através de dados quantitativos e qualitativos levantados em dois conjuntos documenta...

Semiconductor integrated circuits use ultra-flat substrates called wafers, in which minute irregularities are eliminated to the utmost limit. To produce such a flat substrate, a polishing technique called chemical mechan...

Post-traumatic stress disorder (PTSD) is a severe neuropsychiatric disorder characterised by re-experiencing, avoidance and hyperarousal. Memory abnormalities manifested as intrusive thoughts and prolonged distressful em...

Luminescent nanothermometry uses the light emission from nanostructures for temperature measuring. Non-contact temperature readout opens new possibilities of tracking thermal flows at the sub-micrometer spatial scale, th...