Researchers transmit data via a semiconductor laser, opening the door to ultra-high-speed Wi-Fi
You've never heard Dean Martin like this.
Optics & Photonics
Apr 25, 2019
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News tagged with microwave frequencies
Electron-phonon instability in graphene revealed by global and local noise probes
Understanding nonequilibrium phenomena to effectively control it is an outstanding challenge in science and engineering. In a recent study, Trond. I. Andersen and colleagues at the departments of physics, chemistry, materials ...
Millimetre waves for the last mile
Reseachers at ETH Zurich have developed a modulator with which data transmitted via millimetre waves can be directly converted into light pulses for optical fibres. This could make covering the "last mile" up to the internet ...
Optics & Photonics
Nov 21, 2018
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40
The future of wireless communications is terahertz
Electrical and optical engineers in Australia have designed a novel platform that could tailor telecommunication and optical transmissions. Collaborating scientists from the University of New South Wales in Sydney and Canberra, ...
Optics & Photonics
Feb 6, 2018
5
1109
Seeing through walls of unknown materials
Researchers at Duke University have devised a way to see through walls using a narrow band of microwave frequencies without any advance knowledge of what the walls are made out of. Besides having obvious applications in the ...
Optics & Photonics
Dec 6, 2017
3
2650
Engineers to pioneer unprecedented high speed wireless data coverage
A major new international research programme is responding to the overwhelming demand of internet traffic to develop ubiquitous wireless data coverage with unprecedented speed at millimetre waves.
Telecom
Sep 27, 2017
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2
Quantum reservoir for microwaves
In a recent experiment at EPFL, a microwave resonator, a circuit that supports electric signals oscillating at a resonance frequency, is coupled to the vibrations of a metallic micro-drum. By actively cooling the mechanical ...
Quantum Physics
May 15, 2017
4
370
Magnetic mirror could shed new light on gravitational waves and the early universe
Researchers have created a new magnetic mirror-based device that could one day help cosmologists discover new details about ripples in space-time known as gravitational waves, particularly those emitted when the universe ...
Optics & Photonics
Dec 13, 2016
8
492
Frequency stabilization of magnetic tunnel junction based microwave oscillator
Spintronics researchers have developed a phase locked loop (PLL) circuit designed to stabilize the oscillation frequency of a spin torque oscillator (STO), and demonstrated generation of a highly coherent microwave signal ...
Electronics & Semiconductors
Jun 17, 2016
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11
Optical strontium atomic clock sets new stability record
Researchers from the Physikalisch-Technische Bundesanstalt (PTB) have thoroughly analyzed the noise processes in their optical lattice clock with neutral strontium atoms. This analysis proves that their optical atomic clock ...
General Physics
Feb 10, 2016
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