Results 21 to 30 of about 8,631 (218)

Anisotropic impedance surfaces activated by incident waveform

open access: yesNanophotonics, 2022
Anisotropic impedance surfaces have been used to control surface wave propagation, which has benefited applications across a variety of fields including radio-frequency (RF) and optical devices, sensing, electromagnetic compatibility, wireless power ...
Homma Haruki   +5 more
doaj   +1 more source

Constant-depth circuits for Boolean functions and quantum memory devices using multi-qubit gates [PDF]

open access: yesQuantum
We explore the power of the unbounded Fan-Out gate and the Global Tunable gates generated by Ising-type Hamiltonians in constructing constant-depth quantum circuits, with particular attention to quantum memory devices.
Jonathan Allcock   +4 more
doaj   +1 more source

Multifunctional current-mode filter with dual-parameter control of the pole frequency

open access: yesAdvances in Electrical and Computer Engineering, 2016
This paper presents a multifunctional current-mode filter with dual-parameter control of the pole frequency. The filter is of the second order, of single-input triple-output (SITO) type and a required type of the response (low pass, inverting band pass,
JERABEK, J.   +4 more
doaj   +1 more source

Construction of biocomputing systems based on switchable bioelectrocatalysis and stimulus-responsive film electrodes

open access: yesSensors and Actuators Reports, 2021
The construction of biocomputing platforms, particularly based on multiple stimulus-responsive film electrodes and switchable bioelectrocatalysis, is briefly overviewed.
Wenjing Lian   +4 more
doaj   +1 more source

AlGaAs Nonlinear Integrated Photonics

open access: yesMicromachines, 2022
Practical applications implementing integrated photonic circuits can benefit from nonlinear optical functionalities such as wavelength conversion, all-optical signal processing, and frequency-comb generation, among others.
Ehsan Mobini   +3 more
doaj   +1 more source

Tunable AC/DC converter using graphene-germanium barristor based half-wave rectifier

open access: yesAIP Advances, 2019
Tunable DC voltage control circuit based on a half-wave rectifier was developed using a graphene–germanium barristor. The output DC voltage level could be modulated at 30–100% of the peak voltage by controlling the Schottky barrier height between ...
Sunwoo Heo   +7 more
doaj   +1 more source

Switchable thermal waveguides in GaAs based devices

open access: yesAIP Advances, 2023
The modulation of light within microscopic devices is the key to designing versatile and powerful photonic integrated circuits (PICs). Contemporary techniques are able to generate a wide range of waveguiding and waveforming elements. They are implemented
Philipp Hildenstein   +5 more
doaj   +1 more source

Medium-scale integrated circuits based on p-type 2D semiconducting MoTe<sub>2</sub>. [PDF]

open access: yesNat Commun
Two-dimensional (2D) semiconductors hold promise for next-generation electronics, yet the lack of scalable p-type counterparts remains a major bottleneck, with prior studies largely limited to discrete devices or simple circuits.
Wang H   +13 more
europepmc   +2 more sources

Tunable directional photon scattering from a pair of superconducting qubits

open access: yesNature Communications, 2023
The ability to control the direction of scattered light is crucial to provide flexibility and scalability for a wide range of on-chip applications, such as integrated photonics, quantum information processing, and nonlinear optics. Tunable directionality
Elena S. Redchenko   +5 more
doaj   +1 more source

Low-Threshold, High-Power On-Chip Tunable III-V/Si Lasers with Integrated Semiconductor Optical Amplifiers

open access: yesApplied Sciences, 2021
Heterogeneously integrated III-V/Si lasers and semiconductor optical amplifiers (SOAs) are key devices for integrated photonics applications requiring miniaturized on-chip light sources, such as in optical communications, sensing, or spectroscopy.
Joan Manel Ramírez   +10 more
doaj   +1 more source

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