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Archive for the ‘computing’ category: Page 145

Sep 27, 2023

Researchers fabricate chip-based optical resonators with record low UV losses

Posted by in categories: chemistry, computing, particle physics, quantum physics

Researchers have created chip-based photonic resonators that operate in the ultraviolet (UV) and visible regions of the spectrum and exhibit a record low UV light loss. The new resonators lay the groundwork for increasing the size, complexity and fidelity of UV photonic integrated circuit (PIC) design, which could enable new miniature chip-based devices for applications such as spectroscopic sensing, underwater communication and quantum information processing.

“Compared to the better-established fields like telecom photonics and visible photonics, UV photonics is less explored even though UV wavelengths are needed to access certain atomic transitions in atom/ion-based quantum computing and to excite certain fluorescent molecules for biochemical sensing,” said research team member Chengxing He from Yale University. “Our work sets a good basis toward building photonic circuits that operate at UV wavelengths.”

In Optics Express, the researchers describe the alumina-based optical microresonators and how they achieved an unprecedented low loss at UV wavelengths by combining the right material with optimized design and fabrication.

Sep 26, 2023

Brain implants may get a broadband boost with new approach

Posted by in categories: computing, neuroscience, wearables

Researchers have proposed employing wireless neural implants to execute communication between the human brain and computers.

Purdue University researchers have unveiled a new method that may enable a compact brain-implanted sensor to sense and transmit data to a wearable device shaped like headphones.

Sep 26, 2023

Nvidia’s Blackwell B100 GPU to Hit the Market with 3nm Tech in 2024: Report

Posted by in category: computing

Nvidia’s Blackwell GB100 compute GPU to adopt TSMC’s N3-class node, to be unveiled next year, says report.

Sep 26, 2023

China plans giant particle accelerator-powered chip factory

Posted by in categories: computing, particle physics

Chinese researchers are working on ways to develop their own semiconductor lithography process to compete with ASML.

Researchers at Tsinghua University are working to bring microchip production to China to bypass US sanctions, reports the South China Morning Post.

Continue reading “China plans giant particle accelerator-powered chip factory” »

Sep 26, 2023

Microsoft Wants to Power Its Data Centers Using Nuclear Reactors

Posted by in categories: computing, nuclear energy

Microsoft 365 running on microreactors, what could possibly go wrong?

Sep 25, 2023

This Engineer Is Helping to Make India a Global Semiconductor Hub

Posted by in categories: computing, internet

At the meeting with Modi, Sharma presented the prime minister with a cutting-edge 5G millimeter-wave and sub-6-gigahertz chipset designed by Renesas’s R&D teams in Bengaluru and San Diego.

“The prime minister displayed a genuine fascination with the chipset and talked about the technical intricacies of the integrated chip,” the IEEE member says. “He asked about the silicon node and the fabrication facility that created it.

I firmly believe the development of these critical chips is vital for the greater public good, Sharma says. Those working in industry can be change agents and have a meaningful impact on society, such as advancing technology for humanity. After all, that is the motto of IEEE.

Sep 25, 2023

Canceling Noise: MIT’s Innovative Way To Boost Quantum Devices

Posted by in categories: computing, education, engineering, quantum physics

For years, researchers have tried various ways to coax quantum bits — or qubits, the basic building blocks of quantum computers — to remain in their quantum state for ever-longer times, a key step in creating devices like quantum sensors, gyroscopes, and memories.

A team of physicists from MIT

MIT is an acronym for the Massachusetts Institute of Technology. It is a prestigious private research university in Cambridge, Massachusetts that was founded in 1861. It is organized into five Schools: architecture and planning; engineering; humanities, arts, and social sciences; management; and science. MIT’s impact includes many scientific breakthroughs and technological advances. Their stated goal is to make a better world through education, research, and innovation.

Sep 24, 2023

Controlling Devices with Thought, No Open Brain Surgery Required

Posted by in categories: biotech/medical, computing, neuroscience

Synchron has developed a Brain-Computer Interface that uses pre-existing technologies such as the stent and catheter to allow insertion into the brain without the need for open brain surgery.

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#WhatTheFuture #Synchron #BCI

Sep 24, 2023

Thinner Than the Photon Itself — Scientists Invent Smallest Known Way To Guide Light

Posted by in categories: computing, finance, particle physics

Channeling light from one location to another is the backbone of our modern world. Across deep oceans and vast continents, fiber optic cables transport light containing data ranging from YouTube clips to banking transmissions—all within fibers as thin as a strand of hair.

University of Chicago Prof. Jiwoong Park, however, wondered what would happen if you made even thinner and flatter strands—in effect, so thin that they’re actually 2D instead of 3D. What would happen to the light?

Through a series of innovative experiments, he and his team found that a sheet of glass crystal just a few atoms thick could trap and carry light. Not only that, but it was surprisingly efficient and could travel relatively long distances—up to a centimeter, which is very far in the world of light-based computing.

Sep 23, 2023

Step forward for massive DNA computer systems

Posted by in categories: biotech/medical, computing, information science

The group at Shanghai Jiao Tong University has demonstrated a DNA computer system using DNA integrated circuits (DICs) that can solve quadratic equations with 30 logic gates.

Published in Nature, the system integrates multiple layers of DNA-based programmable gate arrays (DPGAs). This uses generic single-stranded oligonucleotides as a uniform transmission signal can reliably integrate large-scale DICs with minimal leakage and high fidelity for general-purpose computing.

To control the intrinsically random collision of molecules, the team designed DNA origami registers to provide the directionality for asynchronous execution of cascaded DPGAs. This was used to assemble a DIC that can solve quadratic equations with three layers of cascade DPGAs comprising 30 logic gates with around 500 DNA strands.