tag: ETH Zurich

Power/Performance Bits: Oct. 20
By Jesse Allen - 20 Oct, 2015 - Comments: 0

Memristors come in threes The race is on to produce a commercial memristor, and a duo from ETH Zurich may be providing a bit more push. "Basically, memristors require less energy since they work at lower voltages," explained Jennifer Rupp, professor in the Department of Materials at ETH Zurich. "They can be made much smaller than today's memory modules, and therefore offer much greater de... » read more

System Bits: Oct. 13
By Ann Mutschler - 13 Oct, 2015 - Comments: 0

Quantum computing hurdle cleared Clearing what they say is the final hurdle to making silicon-based quantum computers a reality, a team of University of New South Wales researchers has built a quantum logic gate in silicon for the first time, making calculations between two qubits of information possible. Team leader Andrew Dzurak, Scientia Professor and Director of the Australian National ... » read more

System Bits: Aug. 18
By Ann Mutschler - 18 Aug, 2015 - Comments: 0

Optical computing for big data Given the potential for optical electronics to be applied to big data processing tasks, alumni of the University of Cambridge, including from the Department of Engineering, have gone on to found Optalysys, a company with the goal of making computer processors that use light instead of electricity. The Cambridge spinout’s latest achievement is a functioning p... » read more

System Bits: Aug. 4
By Ann Mutschler - 04 Aug, 2015 - Comments: 0

Turning electric signals into light signals Transmitting large amounts of data, such as those needed to keep the internet running, requires high-performance modulators that turn electric signals into light signals, and now, researchers at ETH Zurich have developed a modulator they say is a hundred times smaller than conventional models. They reminded that in 1880, Alexander Graham Bell deve... » read more

Power/Performance Bits: Aug. 4
By Jesse Allen - 04 Aug, 2015 - Comments: 0

Superfast fluorescence Duke University researchers developed an ultrafast light-emitting device, pushing semiconductor quantum dots to emit light at more than 90 gigahertz. This device could one day be used in optical computing chips or for optical communication between traditional electronic microchips. The new speed record was set using plasmonics. When a laser shines on the surface of ... » read more

System Bits: April 7
By Ann Mutschler - 07 Apr, 2015 - Comments: 0

Ultra-efficient magnetic-field detector In a development that could lead to miniaturized, battery-powered devices for medical and materials imaging, contraband detection, and even geological exploration, MIT researchers have developed a new, ultrasensitive magnetic-field detector they say is 1,000 times more energy-efficient than its predecessors. Magnetic-field detectors, or magnetometers,... » read more

System Bits: Feb. 17
By Ann Mutschler - 17 Feb, 2015 - Comments: 2

Can you hear light? Silicon photonics has gained increasing attention as a key driver of lab-on-a-chip biosensors and of faster-than-electronics communication between computer chips. The technology builds on tiny structures known as silicon photonic wires. The wires work because light moves slower in the silicon core than in surrounding air and glass. Thus, the light is trapped inside the wire... » read more

Power/Performance Bits: Feb. 10
By Jesse Allen - 10 Feb, 2015 - Comments: 0

Solar power technology progresses at a snappy pace and the diversity of approaches keeps expanding. In this edition, investigations in two aspects of solar energy design: understanding a potential solar cell material and a design to make those we use now more effective. Unravelling the peculiarities of nanocrystals Researchers at ETH Zurich conducted an extensive study of nanocrystal ... » read more

Power/Performance Bits: Jan. 13
By Ann Mutschler - 13 Jan, 2015 - Comments: 0

Glass instead of crystals Since today's lithium-ion batteries are not good enough if our future energy system is to rely on electrical power, researchers around the world are continually looking to improve capacity and energy density. To this end, ETH Zurich researchers have developed a type of glass that can be used as an electrode material in lithium-ion batteries. ETH researchers discove... » read more

System Bits: Oct. 14
By Ann Mutschler - 14 Oct, 2014 - Comments: 0

Exotic states of light and matter In research that merges two areas that have only been studied separately, ETH researchers are studying solid-state physics and quantum optics as a potential first step toward quantum computing. Specifically, the physicists are looking between tiny mirrors to a special layer of the semiconductor material gallium arsenide, prepared in such a way that the elec... » read more

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