A team of physicists at UC Santa Barbara has seen the light, and it comes in many different colors. By aiming high- and low-frequency laser beams at a semiconductor, the researchers caused electrons to be ripped from their ...
Optics & Photonics
Mar 28, 2012
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A group of researchers from the UK, including academics from Cardiff University, has demonstrated the first practical laser that has been grown directly on a silicon substrate.
Optics & Photonics
Mar 7, 2016
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924
A physical effect known as superinjection underlies modern light-emitting diodes (LEDs) and lasers. For decades this effect was believed to occur only in semiconductor heterostructures—that is, structures composed of two ...
Electronics & Semiconductors
Apr 23, 2019
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130
(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light in a space smaller ...
Optics & Photonics
Aug 30, 2009
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The announcement of the winners of the next Nobel Prize in Physics on Tuesday morning will bring to an end the very private deliberations within the Swedish Academy, which selects the winner. It will also end the rampant ...
General Physics
Oct 1, 2010
7
0
In an advance that sounds almost Zen, researchers at the National Institute of Standards and Technology and JILA, a joint institute of NIST and the University of Colorado at Boulder, have demonstrated a new type of pulsed ...
Optics & Photonics
Jun 9, 2010
7
0
A team of University of California, San Diego researchers has built the smallest room-temperature nanolaser to date, as well as an even more startling device: a highly efficient, "thresholdless" laser that funnels all its ...
General Physics
Feb 8, 2012
5
0
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
Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, lasers in which ...
Optics & Photonics
Apr 13, 2009
3
0
Extremely short, configurable "femtosecond" pulses of light demonstrated by an international team could lead to future computers that run up to 100,000 times faster than today's electronics.
Optics & Photonics
Mar 13, 2017
1
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