In his latest line of research, Cun-Zheng Ning, a professor of electrical engineering in the Ira A. Fulton Schools of Engineering at Arizona State University, and his peers explored the intricate balance of physics that governs ...
General Physics
May 6, 2020
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158
Optical gain is a prerequisite for signal amplification in an optical amplifier or laser. It typically requires high levels of current injection in conventional semiconductors. By exploring an intricate balance and conversion ...
Optics & Photonics
Mar 20, 2020
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In a breakthrough development, Los Alamos scientists have shown that they can successfully amplify light using electrically excited films of the chemically synthesized semiconductor nanocrystals known as quantum dots. The ...
Nanophysics
Nov 20, 2017
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371
An Arizona State University researcher has made another breakthrough using the rare-earth metal erbium as the gain material for an optical amplifier, this time with an achievement that will enable its use for the first time ...
Optics & Photonics
Aug 1, 2017
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155
More than 3.4 billion people are connected to the Internet, placing ever-increasing demand on the telecom industry to provide bigger, better and faster bandwidth to users. Lawrence Livermore National Laboratory (LLNL) researchers ...
Optics & Photonics
Dec 15, 2016
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7
(Phys.org)—Researchers have designed a nanoscale device that, under ideal conditions, can confine a "bit" of light (that is, light with a single precise energy value) for an infinite amount of time. Although a physically ...
Energy loss in optical systems, such as lasers, is a chief hindrance to their performance and efficiency, and it occurs on an ongoing, frustrating basis.
Optics & Photonics
Oct 16, 2014
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(Phys.org) —Optical transistors and switches are fundamental in both classical and quantum optical information processing. A key objective in optics research is determining and developing the structural and performance ...
Researchers from North Carolina State University have developed more accurate measurements of how efficiently a polymer called MEH-PPV amplifies light, which should advance efforts to develop a new generation of lasers and ...
General Physics
Jul 25, 2013
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0
Within optical microchips, light finds its way through channels, waveguides, made of silicon. Light from a glass fiber, for example, is led through a structure of optical channels with splitters and couplers. Silicon is the ...
Optics & Photonics
Sep 21, 2012
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