A team of Columbia Engineering researchers, led by Applied Physics Assistant Professor Nanfang Yu, has invented a method to control light propagating in confined pathways, or waveguides, with high efficiency by using nano-antennas. ...
Nanophysics
Apr 17, 2017
1
1136
A new fabrication process could make it easier and less expensive to incorporate optical sensing onto lab-on-a-chip devices. These devices integrate laboratory functions onto a plastic or glass "chip" typically no more than ...
Optics & Photonics
Mar 22, 2017
0
188
Researchers in the Physics Department and Institute for Nanoscience and Engineering recently published findings that may advance the understanding of rare-earth garnets, a promising material useful as a magnetic insulator ...
Condensed Matter
Feb 9, 2017
0
10
Scientists at The University of Manchester have discovered a new method of creating optoelectronic circuits using graphene and other 2D materials that are much smaller than their current counterparts.
Nanomaterials
Nov 22, 2016
0
504
In 2014, when University of Wisconsin-Madison engineers announced in the journal Nature Communications that they had developed transparent sensors for use in imaging the brain, researchers around the world took notice.
Nanomaterials
Oct 13, 2016
0
538
A team led by Nanfang Yu, assistant professor of applied physics at Columbia Engineering, has discovered a new phase-transition optical material and demonstrated novel devices that dynamically control light over a much broader ...
Optics & Photonics
Aug 30, 2016
0
495
Dmitry Fedyanin from the Moscow Institute of Physics and Technology and Mario Agio from the University of Siegen and LENS have predicted that artificial defects in the crystal lattice of diamond can be turned into ultrabright ...
Quantum Physics
Aug 8, 2016
0
35
Engineers and physicians at Duke University have developed a handheld device capable of capturing images of a retina with cellular resolution. The new probe will allow researchers to gather detailed structural information ...
Optics & Photonics
Aug 1, 2016
0
14
Properties of small areas of a versatile optical film can be tweaked by applying ultrashort pulses of laser light, A*STAR researchers show. This tunability makes the material suitable for various light-based applications, ...
Optics & Photonics
Jul 13, 2016
0
16
By immersing glass particles in a fluid, researchers at MIT's Media Lab and Harvard University are exploring a new mechanism for modifying an optical device's diffusivity, or the extent to which it scatters light.
Optics & Photonics
Jun 9, 2016
0
20
