A group of photonics researchers at Tampere University have introduced a novel method to control a light beam with another beam through a unique plasmonic metasurface in a linear medium at ultra-low power. This simple linear ...
Optics & Photonics
Jun 6, 2022
0
504
Trapped ions excited with a laser beam can be used to create entangled qubits in quantum information systems, but addressing several stationary pairs of ions in a trap requires multiple optical switches and complex controls. ...
Quantum Physics
Jan 28, 2022
0
334
The quest to deliver ultra-fast and energy efficient magnetic recording could be a step closer to fruition, due to pioneering new research on all-optical switching of magnetization.
Nanophysics
Dec 9, 2021
0
215
Over the past several decades, researchers have moved from using electric currents to manipulating light waves in the near-infrared range for telecommunications applications such as high-speed 5G networks, biosensors on a ...
Optics & Photonics
Nov 22, 2021
0
174
In a potential boost for quantum computing and communication, a European research collaboration reported a new method of controlling and manipulating single photons without generating heat. The solution makes it possible ...
Optics & Photonics
Mar 3, 2021
0
533
The all-optical switch is a kind of device that controls light with light, which is the fundamental building block of modern optical communications and information processing. Creating an efficient, ultrafast, and compact ...
Optics & Photonics
Feb 28, 2020
0
448
Light is the most energy-efficient way of moving information. Yet, light shows one big limitation: it is difficult to store. As a matter of fact, data centers rely primarily on magnetic hard drives. However, in these hard ...
Optics & Photonics
Jan 11, 2019
1
955
Spectrometers—devices that distinguish different wavelengths of light and are used to determine the chemical composition of everything from laboratory materials to distant stars—are large devices with six-figure price ...
Analytical Chemistry
Oct 23, 2018
0
360
Speed limits apply not only to traffic. There are limitations on the control of light as well, in optical switches for internet traffic, for example. Physicists at Chalmers University of Technology now understand why it is ...
Optics & Photonics
Jun 28, 2018
0
121
The crystal jellyfish swims off the coast of the Pacific Northwest and can illuminate the waters when disturbed. That glow comes from proteins that absorb energy and then release it as bright flashes.
Materials Science
Sep 21, 2017
0
127
