Ultra-thin gold lamellae drastically amplify the incoming terahertz pulses (red) in the underlying graphene layer, enabling efficient frequency multiplication. Credit: HZDR/Werkstatt X On the electromagnetic…
Posts published in “Telecommunications”
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A world record transmission of 1 petabit per second in a multimode optical fiber increases the current record data rate in multimode optical fibers by…
Fast, powerful compact lasers: a novel VCSEL for next-generation datacenters and sensors. Credit: Volker Sorger/GWU Researchers invent a novel vertical-cavity surface-emitting laser, the workhorses of…
Illinois researchers developed a spherical lens that allows light coming into the lens from any direction to be focused into a very small spot on…
Credit: Nokia 4G is coming to the Moon, to help support future international exploration efforts. To check the feasibility of this vision, the ESA-VSC High…
Computing consumes 8% of global electricity, largely in massive, factory-sized data centres. This already-unsustainable energy load that is doubling every decade. Stepping ‘beyond binary’ to…
The anti-resonant hollow core fiber features a unique arrangement of seven hollow capillaries arranged around a hollow core inside the fiber. Credit: Arjun Iyer/Renninger lab/University…
This image shows leakage (unintended radiation from a transmitter into an adjacent frequency band or channel) from a 5G cellular network affecting sensors on weather…
Researchers at CRANN and Trinity’s School of Physics have discovered that a new material can act as a super-fast magnetic switch. When struck by successive…
The quantum physics experiment has demonstrated an important step towards quantum cryptography between many users, an essential requirement for a secure quantum internet. Credit: Copyright…
ESA’s AMPER (Advanced techniques for mesh reflector with improved radiation pattern performance) project’s prototype 2.6-m diameter metal-mesh antenna reflector represents a big step forward for…
Illustration depicts a faithful reproduction of Johannes Vermeer’s “Girl With a Pearl Earring” using millions of nanopillars that control both the color and intensity of…
An image representing subnanosecond optical switching. Credit: Kevin Price / Detail Design Consultants / UCL A new technique that synchronizes the clocks of computers in…
Vopson wants to experimentally verify that information bits have mass, which he extrapolated to forecast in 225 years will be half of Earth’s mass. Credit:…
New hollow-core optical fibers that are filled with either air or gas. Credit: Alain Herzog/2020 EPFL “The idea had been going around my head for…
Researchers at Drexel and KIST reported that a new MXene material, titanium carbonitride, can shield the electromagnetic interference better than materials currently being used in…
EDRS-C is the second node of the European Data Relay System (EDRS). It is the first dedicated EDRS satellite as well as the first flight…
Experimental setup to generate a set of stable frequencies in a cryogenically cooled laser microresonator frequency comb. The ring-shaped microresonator, small enough to fit on…
An international study has used data from a major home Internet Protocol (IP) security camera provider to evaluate potential privacy risks for users. IP home…
Two U.S. Army research projects at the University of Chicago advance quantum networking, which will play a key role in future battlefield operations. Credit: Nancy…