Publications related to Exploring van der Waals materials with high anisotropy: geometrical and optical approaches

Related publications (14)

Programming Light Propagation for Efficient Artificial Intelligence

Contemporary artificial intelligence (AI) models' exponentially growing complexity translates to their expanding skill sets. They can create language or image content mimicking human creativity and understanding, becoming indispensable tools in education, ...

EPFL2025

Optical Processors for AI Computing and Networking

Mustafa Yildirim

Computing has long been central to technological advancements, where each leap in compute power has catalyzed applications once thought impossible, such as smartphones. Recently, the exponential growth in the compute demand of artificial intelligence (AI) ...

EPFL2025

Investigating the missing-wedge problem in smallangle X-ray scattering tensor tomography across real and reciprocal space

Marianne Liebi, Torne Tänzer

Small-angle-scattering tensor tomography is a technique for studying anisotropic nanostructures of millimetre-sized samples in a volume-resolved manner. It requires the acquisition of data through repeated tomographic rotations about an axis which is subje ...

INT UNION CRYSTALLOGRAPHY2024

Investigation and modeling of the role of interface defects in the optical degradation of InGaN/GaN LEDs

Nicolas Grandjean, Jean-François Carlin, Camille Haller

We investigate the degradation mechanisms of In0.2Ga0.8N/GaN light emitting diodes through combined experimental analysis and simulations. The devices were submitted to constant current stress at 100 mA. Depending on the measuring current level, two degrad ...

2024

Spin Textures in 2D Magnets

Lukas Powalla

The continuous reduction of the structural size in nanotechnology slowed down over the last decade, approaching the natural limit of single atoms as building blocks of matter. Therefore, intensive research is directed toward exploring new frontiers, in par ...

EPFL2023

Chaotic microcomb inertia-free parallel ranging

Tobias Kippenberg, Johann Emmeram Riemensberger, Anton Lukashchuk, Anton Stroganov

Ever growing pixel acquisition rates in the fields of augmented reality, autonomous driving and robotics have increased interest in solid state beam scanning without moving parts. Modern photonic integrated laser ranging advances towards passive beam steer ...

AIP Publishing2023

GeSn as next-generation material for short-wave infrared single-photon detection

Andrea Giunto

In recent years, the automotive industry has aspired to bring self-driving vehicles to the general public and light detection and ranging (LiDAR) sensors have emerged as the preferred solution for car vision systems. At present, LiDAR technologies employ e ...

EPFL2023

Some Results of the EU Project FASTGRID

Maximilian Nikolaus Bauer

The EU FASTGRID project aimed at improving the REBCO conductor in order to enhance its economical attractiveness for the Superconducting Fault Current Limiter (SFCL). Two approaches were simultaneously investigated: i) the reduction of the tape length thro ...

IEEE Institute of Electrical and Electronics Engineers2022

Ultrafast-nonlinear ultraviolet pulse modulation in an AlInGaN polariton waveguide operating up to room temperature

Davide Maria Di Paola, Nicolas Grandjean, Jean-François Carlin, Raphaël Butté, Joachim Armand Simonne Ciers

Ultrafast nonlinear photonics enables a host of applications in advanced on-chip spectroscopy and information processing. These rely on a strong intensity dependent (nonlinear) refractive index capable of modulating optical pulses on sub-picosecond timesca ...

Nature Research2021

Fabrication of plasmonic structures with well-controlled nanometric features: a comparison between lift-off and ion beam etching

Olivier Martin, Christian Santschi, Banafsheh Abasahl

After providing a detailed overview of nanofabrication techniques for plasmonics, we discuss in detail two different approaches for the fabrication of metallic nanostructures based on e-beam lithography. The first approach relies on a negative e-beam resis ...

IOP PUBLISHING LTD2021

All-in-Fiber Electrochemical Sensing

Sandro Carrara, Fabien Sorin

Electrochemical sensors have found a wide range of applications in analytical chemistry thanks to the advent of high-throughput printing technologies. However, these techniques are usually limited to two-dimensional (2D) geometry with relatively large mini ...

2021

Investigation of femtosecond laser-tuned thermomechanical properties of fused silica

Pieter Vlugter

The thermomechanical properties of materials are among the most important properties for designing precision instruments, in particular for devices seeking high-dimensional stability, invariant temperature-elastic properties or low thermoelastic losses. De ...

EPFL2020

Slow-Light Frequency Combs and Dissipative Kerr Solitons in Coupled-Cavity Waveguides

Vincenzo Savona, Juan Pablo Vasco Cano

We study Kerr frequency combs and dissipative Kerr solitons in silicon photonic crystal coupled-cavity waveguides (CCWs) with globally optimized dispersion at telecom wavelengths. The corresponding threshold for comb generation is found to explicitly depen ...

American Physical Society (APS)2019

Synthesis and Size-Dependent Optical Properties of Intermediate Band Gap Cu3VS4 Nanocrystals

Raffaella Buonsanti, Anna Loiudice, Ulrich Aschauer, Valeria Mantella, Seryio Saris

Intermediate band gap semiconductors are an underex-plored class of materials with unique optical properties of interest for photovoltaic and optoelectronic applications. Herein, we synthesize highly crystalline cubic Cu3VS4 nanocrystals with tunable edge ...

2019