A research team has realized one of the long-standing theoretical predictions in nonlinear optical metamaterials: creation of a nonlinear material that has opposite refractive indices at the fundamental and harmonic frequencies ...
Optics & Photonics
Jun 16, 2015
0
84
(Phys.org)—When exposed to air, a luminescent 2D material called molybdenum telluride (MoTe2) appears to decompose within a couple days, losing its optical contrast and becoming virtually transparent. But when scientists ...
A special class of glass materials known as chalcogenide glasses holds promise for speeding integration of photonic and electronic devices with functions as diverse as data transfer and chemical sensing. Juejun "JJ" Hu, the ...
Optics & Photonics
Apr 27, 2015
0
84
A honeycomb is a very stable structure. If it has a larger hole, however, stability is largely lost. What might a honeycomb look like, which survives external forces in spite of a hole? Such stable types of known constructions ...
General Physics
Apr 23, 2015
0
2749
From computers, tablets, and smartphones to cars, homes, and public transportation, our world is more digitally connected every day. The technology required to support the exchange of massive quantities of data is critical. ...
Optics & Photonics
Mar 18, 2015
0
77
Researchers in South Korea have, for the first time, developed a simple technique to produce a two-dimensional nitrogen-containing crystal that has the capacity to be a potential rival to graphene and silicon as semi-conductor ...
Nanomaterials
Mar 10, 2015
0
16
Lack of oxygen in cells is an indicator of diseases as serious as cerebral haemorrhages, stroke and cancer. Regrettably measuring real-time oxygen concentration in living tissue is difficult with current technologies. Now ...
Analytical Chemistry
Mar 9, 2015
0
11
Phosphorus, a highly reactive element commonly found in match heads, tracer bullets, and fertilizers, can be turned into a stable crystalline form known as black phosphorus. In a new study, researchers from the University ...
Optics & Photonics
Mar 2, 2015
0
1595
An ultra-stable, ultra-thin bonding technology has been adapted by researchers in PML's Semiconductor and Dimensional Metrology Division for use as a super-strong vacuum seal.
Engineering
Dec 3, 2014
0
0
There is an ever growing demand for high speed internet communication systems. New research has shown optical switching technology built on nanoantenna reflectarrays and tunable materials could transform high speed optical ...
Optics & Photonics
Dec 2, 2014
0
1
