tag: North Carolina State University

Power/Performance Bits: June 30
By Jesse Allen - 30 Jun, 2020 - Comments: 0

Up-converting lasers Researchers at the University of Pennsylvania developed a filter chip that can convert the output from low-cost lasers to have the same frequency noise as big, expensive lasers, making them suitable for applications such as LiDAR. The noise in a laser's frequency is an important indicator of quality. Low-quality, noisy lasers have more random variations, making them use... » read more

Manufacturing Bits: March 31
By Mark LaPedus - 31 Mar, 2020 - Comments: 0

Whiskey webs The production and sale of counterfeit wine and spirits is becoming a big and nefarious business. Using time-lapse microscopy, researchers have developed a way to detect counterfeit whiskey. To detect counterfeit whiskey, the University of Louisville and North Carolina State University have uncovered the mechanism behind what researchers call “whiskey webs.” Whiskey webs... » read more

SiC Foundry Business Emerges
By Mark LaPedus - 23 Jan, 2020 - Comments: 1

Several third-party foundry vendors are entering or expanding their efforts in the silicon carbide (SiC) business amid booming demand for the technology. However, making a significant dent in the market will not be so easy for SiC foundry vendors and their customers. They are facing stiff competition from traditional SiC device vendors such as Cree, Infineon, Rohm and STMicroelectronics. ... » read more

Power/Performance Bits: Jan. 13
By Jesse Allen - 13 Jan, 2020 - Comments: 0

Ferroelectric memory Researchers at the Moscow Institute of Physics and Technology and North Carolina State University developed a ferroelectric memory cell and a method for measuring the electric potential distribution across a ferroelectric capacitor, an important aspect of creating new nonvolatile ferroelectric devices. The team's new ferroelectric memory cell is made from a 10nm thick z... » read more

Power Semi Wars Begin
By Mark LaPedus - 23 Oct, 2019 - Comments: 1

Several vendors are rolling out the next wave of power semiconductors based on gallium nitride (GaN) and silicon carbide (SiC), setting the stage for a showdown against traditional silicon-based devices in the market. Power semiconductors are specialized transistors that incorporate different and competitive technologies like GaN, SiC and silicon. Power semis operate as a switch in high-volt... » read more

Power/Performance Bits: Oct. 9
By Jesse Allen - 09 Oct, 2019 - Comments: 0

Topological insulator waveguides Engineers at the University of Pennsylvania and Polytechnic University of Milan applied topological insulators to photonic chips to make reconfigurable waveguides. In topological insulators, charged particles can flow freely on the material's edges but can't pass through the interior. For photonics, topological insulators with edges that could be redefined m... » read more

Power/Performance Bits: May 14
By Jesse Allen - 14 May, 2019 - Comments: 0

Detecting malware with power monitoring Engineers at the University of Texas at Austin and North Carolina State University devised a way to detect malware in large-scale embedded computer systems by monitoring power usage and identifying unusual surges as a warning of potential infection. The method relies on an external piece of hardware that can be plugged into the system to observe and m... » read more

Power/Performance Bits: April 16
By Jesse Allen - 16 Apr, 2019 - Comments: 0

Faster CNN training Researchers at North Carolina State University developed a technique that reduces training time for deep learning networks by more than 60% without sacrificing accuracy. Convolutional neural networks (CNN) divide images into blocks, which are then run through a series of computational filters. In training, this needs to be repeated for the thousands to millions of images... » read more

Power/Performance Bits: Mar. 11
By Jesse Allen - 11 Mar, 2019 - Comments: 0

Reading qubits faster Researchers at Aalto University and VTT Technical Research Centre of Finland propose a faster way to read information from qubits, the building blocks of quantum computers. Currently, they are extremely sensitive to disruption even in cryogenic environments, holding quantum information for less than a millisecond. In the method now used to read information from a qubit... » read more

Manufacturing Bits: June 5
By Mark LaPedus - 05 Jun, 2018 - Comments: 0

Water insulators North Carolina State University, the Oak Ridge National Laboratory (ORNL) and Texas A&M University have developed what could be considered as water insulators for energy storage applications. Basically, researchers sandwiched water between two materials, enabling higher power storage devices with more efficiency. More specifically, in the lab, researchers developed a compou... » read more

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