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Search results for optoelectronics

Analytical Chemistry Sep 21, 2023

Tröger's base derived 3D-porous aromatic frameworks for near-unity selectivity of CO2 photoconversion

The global energy crisis is exacerbated by the continuous consumption of fossil fuels during the rapid development of modern industries. In addition, the survival and development of human beings is also being seriously affected ...

Optics & Photonics Sep 20, 2023

Composite 2D materials for fiber lasers show promise for ultrafast optics applications

The formation of dissipative solitons is influenced by several factors, such as spectral filtering effects and Kerr nonlinear effects. This interaction leads to the possibility of mode locking over a wide range of parameters, ...

Nanophysics Sep 19, 2023

Visualizing electron flow motivates new nanoscale devices inspired by airplane wings

A study showing how electrons flow around sharp bends, such as those found in integrated circuits, has the potential to improve how these circuits, commonly used in electronic and optoelectronic devices, are designed.

Optics & Photonics Sep 14, 2023

A nonrelativistic and nonmagnetic mechanism for generating terahertz waves

Scientists and engineers keep developing ever faster and more powerful technological devices. But there is a need for even faster and more efficient electronics. A promising route is to take advantage of terahertz waves, ...

Nanomaterials Sep 14, 2023

Scientists achieve breakthrough in highly efficient electrocatalyst for clean energy

A research team led by City University of Hong Kong (CityU) has achieved a groundbreaking advancement in nanomaterials by successfully developing a highly efficient electrocatalyst which can enhance the generation of hydrogen ...

Bio & Medicine Sep 7, 2023

Researchers develop novel DNA biosensor for early diagnosis of cervical cancer

Molybdenum disulfide (MoS2) has recently garnered attention among materials science researchers owing to its ability to form two-dimensional nanosheets like graphene. The nanosheets are created by the stacking of S–Mo–S ...

Optics & Photonics Sep 6, 2023

Atomic-scale spin-optical laser: New horizon for optoelectronic devices

Researchers at the Technion—Israel Institute of Technology have developed a coherent and controllable spin-optical laser based on a single atomic layer. This discovery is enabled by coherent spin-dependent interactions ...

Optics & Photonics Sep 1, 2023

Raman amplification at 2.2 μm in silicon core fibers with prospects for extended mid-infrared source generation

The mid-infrared spectral region has attracted great research interest over the past decade, as it is important for many biomedical and sensing applications. However, there is still a major challenge to develop compact and ...

Analytical Chemistry Aug 31, 2023

Growing triple-decker hybrid crystals for lasers

By controlling the arrangement of multiple inorganic and organic layers within crystals using a novel technique, researchers at Duke University and Purdue University have shown they can control the energy levels of electrons ...

Optics & Photonics Aug 28, 2023

Manipulating polaron transport via laser-induced coherent phonons

Polarons are quasiparticles composed of excess electrons dressed with virtual phonon clouds. They are ubiquitous in materials and play a key role in various physicochemical properties, including superconductivity, photocatalysis ...

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