Publications associées à Nanometer-sensitive wideband opto-mechanical switching concept

Publications associées (16)

Arrayed waveguide gratings in lithium tantalate integrated photonics

Tobias Kippenberg, Jianqi Hu, Chengli Wang, Shivaprasad Umesh Hulyal, Jiachen Cai

Arrayed waveguide gratings (AWGs) are widely used photonic components for splitting and combining different wavelengths of light. They play a key role in wavelength-division multiplexing (WDM) systems by enabling efficient routing of multiple data channels ...

Optica Publishing Group2025

Gradient High-Q Dielectric Metasurfaces for Broadband Sensing and Control of Vibrational Light-Matter Coupling

Hatice Altug, Aleksandrs Leitis, Felix Ulrich Brikh, Ivan Sinev, Senlu Zhou

Surface-enhanced infrared absorption spectroscopy (SEIRA) has emerged as a powerful technique for ultrasensitive chemical-specific analysis. SEIRA can be realized by employing metasurfaces that can enhance light-matter interactions in the spectral bands of ...

Wiley-V C H Verlag Gmbh2024

Origin of Subgap States in Normal-Insulator-Superconductor van der Waals Heterostructures

László Forró, Helmuth Berger

Superconductivity in van der Waals materials, such as NbSe2 and TaS2, is fundamentally novel due to the effects of dimensionality, crystal symmetries, and strong spin-orbit coupling. In this work, we perform tunnel spectroscopy on NbSe2 by utilizing MoS2 o ...

AMER CHEMICAL SOC2023

Heuristic Estimation of the Vacuum Energy Density of the Universe: Part I—Analysis Based on Time Domain Electromagnetic Radiation

Farhad Rachidi-Haeri, Marcos Rubinstein

In this paper, an inequality satisfied by the vacuum energy density of the universe is derived using an indirect and heuristic procedure. The derivation is based on a proposed thought experiment, according to which an electron is accelerated to a constant ...

2023

3-D contact and pore network analysis of MICP cemented sands

Dimitrios Terzis

The study describes a comprehensive methodology to evaluate X-Ray micro-computed tomography data from sand samples and to characterize their 3D microstructural properties. Fine and medium-grained sands are analyzed in their natural and bio-cemented states. ...

SPRINGER2023

Digital LIGA: exploitation of droplet-on-demand inkjet printing to fabricate complex mechanical structures by electroforming

Vivek Subramanian, Annelies Marleen J Sels

A novel 3D fabrication technique called digital LIGA is proposed, integrating functional digital printing with 3D microfabrication via electrodeposition. This allows for the realization of complex multilevel metallic structures without problems associated ...

IOP Publishing Ltd2023

Effect of mechanical nonlinearity on the electromagnetic response of a microwave tunable metamaterial

Romain Christophe Rémy Fleury, Bakhtiyar Orazbayev

Tunable metamaterials functionalities change in response to external stimuli. Mechanical deformation is known to be an efficient approach to tune the electromagnetic response of a deformable metamaterial. However, in the case of large mechanical deformatio ...

IOP Publishing Ltd2022

Back-gate effects on DC performance and carrier transport in 22 nm FDSOI technology down to cryogenic temperatures

Edoardo Charbon, Christian Enz, Farzan Jazaeri, Hung-Chi Han, Antonio D'Amico

This paper presents an in-depth DC characterization of a 22 nm FDSOI CMOS technology down to deep cryogenic temperature, i.e., 2.95 K. The impact of the back-gate voltage (V-back) on device performance, i.e., threshold voltage (V-T) and carrier transport, ...

PERGAMON-ELSEVIER SCIENCE LTD2022

Shattered pellet injection experiments at JET in support of the ITER disruption mitigation system design

Umar Sheikh

A series of experiments have been executed at JET to assess the efficacy of the newly installed shattered pellet injection (SPI) system in mitigating the effects of disruptions. Issues, important for the ITER disruption mitigation system, such as thermal l ...

IOP Publishing Ltd2022

Field-induced ultrafast modulation of Rashba coupling at room temperature in ferroelectric alpha-GeTe(111)

Jan Hugo Dil

Rashba materials have appeared as an ideal playground for spin-to-charge conversion in prototype spintronics devices. Among them, alpha-GeTe(111) is a non-centrosymmetric ferroelectric semiconductor for which a strong spin-orbit interaction gives rise to g ...

Nature Portfolio2022

Ultrafast Momentum-Resolved Free-Electron Probing of Optically Pumped Plasmon Thermal Dynamics

Fabrizio Carbone

Current advances in ultrafast electron microscopy make it possible to combine optical pumping of a nanostructure and electron beam probing with sub-Angstrom and femtosecond spatiotemporal resolution. We present a theory predicting that this technique can r ...

AMER CHEMICAL SOC2021

Two-fold symmetric superconductivity in few-layer NbSe2

László Forró, Helmuth Berger

The strong Ising spin-orbit coupling in certain two-dimensional transition metal dichalcogenides can profoundly affect the superconducting state in few-layer samples. For example, in NbSe2, this effect combines with the reduced dimensionality to stabilize ...

NATURE RESEARCH2021

High Tuning Range Spiking 1R-1T VO2 Voltage-Controlled Oscillator for Integrated RF and Optical Sensing

Mihai Adrian Ionescu, Teodor Rosca, Fatemeh Qaderi Rahaqi

In this work we propose and experimentally validate a relaxation spiking oscillator architecture with ultra-high tuning range (higher than 400%, from 5KHz to more than 25kHz when the control voltage is varied from 2.5 to 5V) that exploits the reversible me ...

IEEE2021

Implantable Fiber Bragg Grating Sensor for Continuous Heart Activity Monitoring: Ex-Vivo and In-Vivo Validation

Silvestro Micera

Continuous and reliable cardiac function monitoring could improve medication adherence in patients at risk of heart failure. This work presents an innovative implantable Fiber Bragg Grating-based soft sensor designed to sense mechanical cardiac activity. T ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021

Quantum ESPRESSO toward the exascale

Nicola Marzari, Iurii Timrov

Quantum ESPRESSO is an open-source distribution of computer codes for quantum-mechanical materials modeling, based on density-functional theory, pseudopotentials, and plane waves, and renowned for its performance on a wide range of hardware architectures, ...

AMER INST PHYSICS2020

Deep-UV-Enhanced Approach for Low-Temperature Solution Processing of IZO Transistors with High-k AlOx/YAlOx Dielectric

Danick Briand, Jaemin Kim, Alessio Mancinelli

Solution processing is an attractive alternative to standard vacuum fabrication techniques for the large-area manufacturing of metal oxide (MOx)-based electron devices. Here, we report on thin-film transistors (TFTs) based on a solution-processed indium zi ...

AMER CHEMICAL SOC2020