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Search results for optoelectronics

Nanophysics Feb 3, 2023

Two/quasi-two-dimensional perovskite-based heterostructures: Construction, properties and applications

Van der Waals heterostructures integrated from various two-dimensional (2D) layered materials provide fundamental building blocks for optoelectronic devices with novel functionalities, such as photovoltaic solar cells, light ...

Optics & Photonics Jan 27, 2023

Development of the first chip-sized titanium-doped sapphire laser

A team of researchers has developed the first chip-scale titanium-doped sapphire laser—a breakthrough with applications ranging from atomic clocks to quantum computing and spectroscopic sensors.

Optics & Photonics Jan 26, 2023

Team uses quantum sensors to reveal how Weyl photocurrents flow

Quantum sensors can be used to reveal a surprising new mechanism for converting light into electricity in Weyl semimetals, Boston College (BC) Assistant Professor of Âé¶¹ÒùÔºics Brian Zhou and colleagues report in the journal ...

Analytical Chemistry Jan 23, 2023

Team develops strategy to regulate light absorption behaviors of titanium oxo clusters

A research team has improved the solar energy absorption of titanium oxo clusters. Their work demonstrates an effective strategy for regulating the light absorption behaviors of these clusters by importing electron-rich heterometals. ...

Space Exploration Jan 20, 2023

Exploring the outer solar system takes power: Here's a way to miniaturize nuclear batteries for deep space

As science and technology advance, we're asking our space missions to deliver more and more results. NASA's MSL Curiosity and Perseverance rovers illustrate this fact. Perseverance is an exceptionally exquisite assemblage ...

Optics & Photonics Jan 13, 2023

Scientists achieve phonon and photon lasing in optomechanical cavities

Since the introduction of the first ruby laser—a solid-state laser that uses the synthetic ruby crystal as its laser medium—in 1960, the use of lasers has expanded significantly in scientific, medical and industrial fields.

Biochemistry Jan 11, 2023

Light accelerates conductivity in bacteria-generated nanowires in the soil and oceans

The natural world possesses its own intrinsic electrical grid composed of a global web of tiny bacteria-generated nanowires in the soil and oceans that "breathe" by exhaling excess electrons.

Optics & Photonics Jan 10, 2023

Investigating the laser-induced periodic surface structure (LIPSS) of silicon

The electronic and optical devices that we use on a daily basis, such as mobile phones, LEDs and solar cells use transistors and other parts that are consistently getting smaller and more compact. With an ever-growing need ...

Optics & Photonics Jan 5, 2023

Metal halide perovskites for next-generation optoelectronics: Progress and prospects

Metal halide perovskites (MHPs) have been emerging as the rising star in the field of optoelectronics during the past decade. The state-of-the-art optoelectronic technologies based on MHPs, such as perovskite solar cells ...

Optics & Photonics Jan 4, 2023

Progress in perovskite LEDs for deep-blue light

The deep blue of your LED display is likely produced by indium gallium nitride (InGaN), a costly substance. In the field of LEDs, researchers are seeking alternatives in a type of perovskite known as quasi-2D Ruddlesden‒Popper ...

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