EPFL researchers have developed the first comprehensive model of the quantum-mechanical effects behind photoluminescence in thin gold films; a discovery that could drive the development of solar fuels and batteries.
Nanophysics
10 hours ago
0
35
Despite remarkable progress in science and technology, rapid advancements have exposed limitations in many technological domains. A pressing challenge in semiconductor devices, which underpin ultrahigh-speed communications ...
Nanophysics
Jan 31, 2024
0
1
Ultraviolet (UV) rays are electromagnetic waves with wavelengths ranging from 100 to 380 nanometers (nm). These wavelengths can be classified into three regions: UV-A (315–380 nm), UV-B (280–315 nm), and UV-C (100–280 ...
Optics & Photonics
Oct 20, 2023
0
1
Scientists at St Andrews are leading a significant breakthrough in a decades-long challenge to develop compact laser technology.
Optics & Photonics
Sep 27, 2023
0
50
The laser is so small you need a microscope to see it properly. But it's not just the size that scientists at Sandia National Laboratories are excited about.
Optics & Photonics
Aug 1, 2023
0
10
On-chip laser diodes based on quantum well (QW) and quantum dot (QD) semiconductor materials have become the primary technology for several applications due to their excellent characteristics, including high power efficiency, ...
Optics & Photonics
Jul 14, 2023
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1
A laser pulse surfing in the wake of an electron beam pulse could get upshifted from visible to extreme ultraviolet light, simulations done at the University of Michigan have shown.
General Physics
Feb 27, 2023
1
87
At the heart of every mobile phone, laptop and autonomous vehicle is a tiny semiconductor whose properties and, ultimately, performance are determined by free electrons. Now, UC Berkeley researchers have developed a new way ...
Nanophysics
Feb 20, 2023
0
33
Today, lasers are well-established in daily life, even if it is sometimes hard to tell what and where they are. As an example, we can find them in CD/DVD readers or medical applications like cancer and eye surgery, being ...
How do you integrate the advantages of a benchtop laser that fills a room onto a semiconductor chip the size of a fingernail?
Optics & Photonics
Oct 24, 2022
0
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