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Search results for optoelectronics

Optics & Photonics Mar 19, 2024

2D optoelectronic neuron array achieves broadband and low-loss optical nonlinearity accessible with ambient light

Light can compute functions during its propagation and interaction with structured materials, with high speed and low energy consumption. Achieving universal computing using all-optical neural networks requires optical activation ...

Optics & Photonics Mar 15, 2024

Direct laser writing on halide perovskites: From mechanisms to applications

Metal halide perovskites have become well-deserved "star" materials among a variety of semiconductors owing to their excellent optoelectronic properties, such as high photoluminescence (PL) quantum yield (QY), high absorption ...

Optics & Photonics Mar 15, 2024

Chiral transmission by an open evolution trajectory in a non-Hermitian system

In non-Hermitian systems, two or more eigenvalues and eigenstates of a resonant system coalesce at Exceptional points (EPs). Dynamic encircling of EPs has received significant interest in recent years, as it leads to highly ...

Nanophysics Mar 15, 2024

Boosted exciton mobility approaching the Mott-Ioffe-Regel limit in a 2D Ruddlesden-Popper perovskite

A study, published in Nature Communications and led by Prof. Liu Xinfeng from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS), recently reported an enhancement in exciton ...

Nanomaterials Mar 14, 2024

Researchers overcome lattice mismatch issue to advance optoelectronic applications

A research team from City University of Hong Kong (CityU) recently successfully achieved lattice-mismatch-free construction of III-V/chalcogenide core-shell heterostructure nanowires for electronic and optoelectronic applications. ...

Bio & Medicine Mar 11, 2024

Flexible AI optoelectronic sensors pave the way for standalone energy-efficient health monitoring devices

From creating images, generating text, and enabling self-driving cars, the potential uses of artificial intelligence (AI) are vast and transformative. However, all this capability comes at a very high energy cost. For instance, ...

Condensed Matter Feb 21, 2024

14 parameters in one go: New instrument for optoelectronics

An HZB physicist has developed a new method for the comprehensive characterization of semiconductors in a single measurement. The "Constant Light-Induced Magneto-Transport (CLIMAT)" is based on the Hall effect and allows ...

Nanophysics Feb 15, 2024

Research team discovers two-dimensional waveguides

The U.S. Naval Research Laboratory (NRL), in collaboration with Kansas State University, has discovered slab waveguides based on the two-dimensional material hexagonal boron nitride. This milestone has been reported in the ...

Nanophysics Feb 12, 2024

What did the electron 'say' to the phonon in the graphene sandwich?

A TU/e and Catalan Institute of Nanoscience and Nanotechnology-led collaboration involving researchers from around the world has the answer, and the why, and the results have been published in the journal Science Advances.

Condensed Matter Feb 8, 2024

Metamaterial chimera nearly undetectable across visible light, microwave, and infrared spectra

A multi-institutional team of optoelectronic and materials engineers in China has developed a type of metamaterial that is nearly invisible across visible light, microwave and infrared spectra. In their paper, published in ...

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