Vertical cavity surface emitting lasers (VCSELs) present the basis for large data rate optical interconnects in data centers. Presently VCSELs have replaced edge-emitting lasers for distances below 500 m due to their advantages ...
Optics & Photonics
Jan 7, 2022
0
111
Atomic-scale magnetic patterns resembling a hedgehog's spikes could result in hard disks with massively larger capacities than today's devices, a new study suggests. The finding could help data centers keep up with the exponentially ...
Nanophysics
Dec 17, 2021
0
1020
Unlike the jumble of frequencies produced by the light that surrounds us in daily life, each frequency of light in a specialized light source known as a "soliton" frequency comb oscillates in unison, generating solitary pulses ...
Optics & Photonics
Dec 16, 2021
0
684
The Arctic continues to deteriorate from global warming, not setting as many records this year as in the past, but still changing so rapidly that federal scientists call it alarming in their annual Arctic report card.
Environment
Dec 14, 2021
2
15
The cost of sequencing has gone down tremendously. But still it is not used in daily practice. One of the reasons for this is that the processing of the raw data into useful insights takes a long time (several days for whole ...
Biotechnology
Dec 3, 2021
0
39
Conflicts over water are as old as history itself, but the massive Google data centers on the edge of this Oregon town on the Columbia River represent an emerging 21st century concern.
Environment
Oct 22, 2021
0
39
One of the most important tasks in modern information technologies is controlling spin directions in magnets. State-of-the-art hard disk drives and large-volume magnetic storage used in data centers require magnetization ...
Optics & Photonics
Sep 1, 2021
0
222
Newcastle University research offers important insights into how we could turn DNA into a green-by-design data structure that organises data like conventional computers.
Molecular & Computational biology
Aug 13, 2021
0
476
Fifteen years ago, UC Santa Barbara electrical and materials professor John Bowers pioneered a method for integrating a laser onto a silicon wafer. The technology has since been widely deployed in combination with other silicon ...
General Physics
Jul 1, 2021
4
181
A giant comet from the outskirts of our solar system has been discovered in six years of data from the Dark Energy Survey. Comet Bernardinelli-Bernstein is estimated to be about 1000 times more massive than a typical comet, ...
Space Exploration
Jun 28, 2021
4
3720
