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Search results for optoelectronics

Condensed Matter Sep 15, 2025

New layered material successfully confines terahertz light to the nanoscale

A new study has successfully demonstrated the confinement of terahertz (THz) light to nanoscale dimensions using a new type of layered material. This could lead to improvements in optoelectronic devices such as infrared emitters ...

Condensed Matter Sep 12, 2025

Trilayer moir茅 superlattices unlock tunable control of exciton configurations

Moir茅 superlattices are periodic patterns formed when two or more thin semiconducting layers are stacked with a small twist angle or lattice mismatch. When 2D materials form these patterns, their electronic, mechanical, ...

Biochemistry Sep 11, 2025

Newly developed organic compounds can serve as highly sensitive oxygen sensors

Researchers at Kaunas University of Technology (KTU), Lithuania, have developed new organic compounds that act as highly sensitive oxygen sensors. These sensors can accurately detect even the slightest amounts of oxygen in ...

Nanophysics Sep 11, 2025

Nano-switch achieves first directed, gated flow of excitons

A new nanostructure acts like a wire and switch that can, for the first time, control and direct the flow of quantum quasiparticles called excitons at room temperature.

Nanophysics Sep 8, 2025

Core technology developed for ultra-high-resolution quantum dot displays

A research team has developed a direct optical lithography (DOL) technology that patterns quantum dots (QDs) at ultra-high resolution using only light, without photoresist. Through this, they also provided guidelines for ...

Nanomaterials Sep 8, 2025

Reusable nanocomposite unites adsorption and photocatalysis for advanced wastewater treatment

Researchers at National Taiwan University designed a graphene oxide biochar TiO2 nanocomposite that combines adsorption capacity with superior photocatalytic activity. With strong material characterization and optoelectronic ...

Nanophysics Sep 4, 2025

Built for brilliance: Zintl-phase quantum dots illuminate new opportunities for optoelectronics

Just one year after NREL materials science researchers Matthew Hautzinger and Sage Bauers met to exchange notes on underexplored materials in nanotechnology, their synthesis of promising Zintl-phase quantum dots is attracting ...

Condensed Matter Sep 3, 2025

A light-programmable, dynamic ultrasound wavefront

The notion of a phased array was initially articulated by Nobel Prize recipient K. F. Braun. Phased arrays have subsequently evolved into a formidable mechanism for wave manipulation. This assertion holds particularly true ...

Condensed Matter Sep 3, 2025

Polaritons enable tunable and efficient molecular charge transfer across broader spectrum of light

Polaritons are quasiparticles emerging from strong interactions between light particles (i.e., photons) and matter excitations (e.g., excitons). Over the past few years, researchers have found that these quasiparticles can ...

Optics & Photonics Sep 2, 2025

Novel hollow-core optical fiber transmits data 45% faster with record low loss

Despite the modern world relying heavily on digital optical communication, there has not been a significant improvement in the minimum attenuation鈥攁 measure of the loss of optical power per kilometer traveled鈥攐f optical ...

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