A crystal with a 3-D photonic band gap is a powerful tool to control light, with applications for new types of solar cells, sensors and miniature lasers. Inside a man-made crystal like this, a range of light wavelengths is ...
Optics & Photonics
Jan 24, 2020
0
6
Photonic crystals are predicted to be one of the wonders of the 21st century. In the 20th century, new understanding of the electronic band structure-the physics that determines when a solid conducts or insulates-revolutionized ...
Optics & Photonics
Jan 2, 2020
0
379
An international research collaboration from Poland, the UK and Russia has created a two-dimensional system—a thin optical cavity filled with liquid crystal—in which they trapped photons. As the properties of the cavity ...
Condensed Matter
Nov 12, 2019
1
1339
The interest in plastic electronics and photonics has experienced a significant increase in the last decades due to the exceptional optical, semiconducting and mechanical properties of these materials. Plastic electronics, ...
Optics & Photonics
Oct 24, 2019
0
23
Quantum effects are genuinely found in the world of nanostructures and allow a wide variety of new technological applications. For example, a quantum computer could in the future solve problems, which conventional computers ...
Quantum Physics
Oct 9, 2019
0
720
In a report recently published in Nature Communications, a research group led by Associate Professor Joel Yang from the Singapore University of Technology and Design (SUTD) printed probably the smallest colorful 3-D model ...
Nanomaterials
Oct 2, 2019
0
14
Harnessing light's energy into nanoscale volumes requires novel engineering approaches to overcome a fundamental barrier known as the "diffraction limit." However, University of Illinois researchers have breached this barrier ...
Nanophysics
Sep 23, 2019
0
29
Optical devices create, guide, and detect electromagnetic waves and include lasers, telescopes, and solar cells. Most of the materials used in these devices are challenging for certain applications because of a phenomenon ...
Optics & Photonics
Sep 18, 2019
0
477
A chameleon can alter the color of its skin so it either blends into the background to hide or stands out to defend its territory and attract a mate. The chameleon makes this trick look easy, using photonic crystals in its ...
Nanophysics
Sep 11, 2019
0
175
Engineers at the University of California San Diego have developed the thinnest optical device in the world—a waveguide that is three layers of atoms thin.
Optics & Photonics
Aug 12, 2019
2
646
