Quantcast
Channel: Phys.org news tagged with:microwave signals
Browsing index pages (32 articles)

Researchers nearly reach quantum limit with nanodrums

Extremely accurate measurements of microwave signals can potentially be used for data encryption based on quantum cryptography and other purposes.

View Article


Colors from darkness: Researchers develop alternative approach to quantum...

Researchers at Aalto University have demonstrated the suitability of microwave signals in the coding of information for quantum computing. Previous development of the field has been focusing on optical...

View Article


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...

View Article

New technique for isolating sunny-day 'light' scattering could help...

Astrophysicists have developed a new method for calculating the effect of Rayleigh scattering on photons, potentially allowing researchers to better understand the formation of the Universe.

View Article

Mystery of peryton reception at Australian observatory solved: It's from...

(Phys.org)—A team of researchers working at Australia's Parkes Observatory has found the source of at least one kind of peryton—a type of radio signal similar to Fast Radio Bursts (FRBs) which are...

View Article


Cosmic inflation: Dust finally settles on BICEP2 results

Reports of evidence of cosmic inflation may have been, well, overblown.

View Article

Planck: Gravitational waves remain elusive

Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of...

View Article

Researchers devise broad-bandwidth amplifier that ups gain by more than 10 db

(Phys.org) —A team of researchers with members from the University of California and Lawrence Berkeley National Laboratory has developed an improvement to a broad-bandwidth amplifier that detects...

View Article


Atomic force microscope systems take a tip from nanowires

(Phys.org) —In response to requests from the semiconductor industry, a team of PML researchers has demonstrated that atomic force microscope (AFM) probe tips made from its near-perfect gallium nitride...

View Article


Photonics: Enabling next-generation wireless networks

Wireless transmission at microwave frequencies is important for high-data-rate transmission applications, such as mobile phone networks, satellite links and remote imaging. Now, Xianshu Luo and...

View Article

Physicists 'entangle' microscopic drum's beat with electrical signals

Extending evidence of quantum behavior farther into the large-scale world of everyday life, physicists at the National Institute of Standards and Technology (NIST) have "entangled"—linked the...

View Article

NASA builds sophisticated Earth-observing microwave radiometer

(Phys.org) —A NASA team delivered in May a sophisticated microwave radiometer specifically designed to overcome the pitfalls that have plagued similar Earth-observing instruments in the past.

View Article

Physicists demonstrate transfer of ultraprecise time signals over a wireless...

By bouncing eye-safe laser pulses off a mirror on a hillside, researchers at the National Institute of Standards and Technology (NIST) have transferred ultraprecise time signals through open air with...

View Article


The wireless way to safer sub-station

New Professor of Radio Science and Wireless Systems Engineering at the University of Huddersfield heads a £670,000 project to find a more effective and efficient means of fault detection - meaning few...

View Article

Physicists use mechanical micro-drum used as quantum memory

JILA researchers demonstrated thatinformation encoded as a specific point in atraveling microwave signal—the vertical and horizontal positions of a wave pattern at a certain ime—can be transferred to...

View Article


Slowing down microwaves in a chip

EPFL scientists have succeeded in capturing a microwave pulse within a chip for several milliseconds before releasing it with little loss. This extraordinary delay normally requires hundreds of miles...

View Article

Near-field scanning microwave microscope: Big at the nanoscale

(Phys.org)—NIST's ability to determine the composition and physics of nanoscale materials and devices is about to improve dramatically with the arrival of a new near-field scanning microwave microscope...

View Article


Team develops world's most powerful nanoscale microwave oscillators

(Phys.org) -- A team of UCLA researchers has created the most powerful high-performance nanoscale microwave oscillators in the world, a development that could lead to cheaper, more energy-efficient...

View Article

Researchers develop first silicon wafer-scale 110 GHz phased array transmitter

(PhysOrg.com) -- TowerJazz, the global specialty foundry leader, and The University of California, San Diego, provider of a leading program in microwave, millimeter-wave and mixed-signal RFICs, today...

View Article

Finnish team devise nanomechanical microwave amplifier with near least...

(PhysOrg.com) -- A team of Finnish physicists has developed a novel way to amplify a microwave signal that unlike other amplifiers, produces noise that is just barely above that which is necessary due...

View Article
Browsing index pages (32 articles)


Latest Images