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
204
Semiconductor lasers are the most widely used lasers due to their compact size, high efficiency, low cost and wide spectra. But they suffer low output power and low beam quality—two specifications difficult to improve simultaneously. ...
Optics & Photonics
May 5, 2022
0
306
How fast can electronics be? When computer chips work with ever shorter signals and time intervals, at some point they come up against physical limits. The quantum-mechanical processes that enable the generation of electric ...
Quantum Physics
Mar 25, 2022
1
987
It's not exactly X-ray vision, but it's close. In research published in the journal Optica, University of California, Irvine researchers describe a new type of camera technology that, when aimed at an object, can rapidly ...
Optics & Photonics
Jul 22, 2021
0
286
When it comes to microelectronics, there is one chemical element like no other: silicon, the workhorse of the transistor technology that drives our information society. The countless electronic devices we use in everyday ...
Optics & Photonics
Mar 8, 2021
0
1533
Scientists at Paderborn University, the Technical University of Dortmund and the University of Würzburg have for the first time used laser pulses to precisely control photon echoes, which can occur when light waves superimpose ...
Optics & Photonics
Dec 15, 2020
0
98
UC Santa Barbara researchers continue to push the boundaries of LED design a little further with a new method that could pave the way toward more efficient and versatile LED display and lighting technology.
Optics & Photonics
Jun 3, 2020
0
147
