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nanowire News
Near-Perfect Entangled Photons Generated from Quantum Dot Sources
WATERLOO, Ontario, March 28, 2024 — Researchers at the University of Waterloo's Institute for Quantum Computing (IQC) have developed a method to efficiently produce nearly perfect entangled photon pairs from quantum dot sources, paving the way for secure quantum communications. “The combination of a high degree of entanglement and high efficiency is needed for exciting applications such as quantum key distribution or quantum repeaters, which are envisioned to extend the distance of secure quantum communication to a
Quantum Firms to Research Materials for Single Photon Detection
SAN SEBASTIÁN, Spain, Feb. 15, 2024 — Multiverse Computing, a developer of value-based quantum computing solutions, and Single Quantum, a provider of superconducting nanowire single photon detectors, launched an industrial materials science R&D project under a $1.4 million contract...
Faster Detector Could Make Quantum Communication Practical
PASADENA, Calif., Jan. 30, 2023 — NASA researchers have developed a detector that precisely measures single photons at high rates and could help to make high-speed quantum communication practical. The detector, created by researchers led by Matthew Shaw at NASA’s Jet...
Ultrafast Photonic Computing Processor Uses Polarization
OXFORD, England, June 22, 2022 — Researchers from the University of Oxford have developed a method using the polarization of light to maximize information storage density and computing performance using nanowires. Similar to how different wavelengths of light do not interact with...
Silicon Photonic Chip Boosts Quantum Security
NANJING, China, Nov. 8, 2021 — Researchers from Nanjing University and Sun Yat-sen University developed a quantum communications platform based on a silicon photonic chip with a superconducting nanowire single-photon detector (SNSPD). The chip’s performance enabled the team...
Superconducting Nanowire Single-Photon Detectors Excel in DCS Applications
BOSTON, Aug. 24, 2021 — Researchers from Massachusetts General Hospital and MIT Lincoln Laboratory have developed a superconducting nanowire single-photon detector (SNSPD)-based diffuse correlation spectroscopy (DCS) device. The instrument demonstrated a high...
Hourglass-Shaped Silicon Photodiodes Provide Greater Sensitivity
POHANG, South Korea, Dec. 3, 2019 — A team of researchers from Pohang University of Science and Technology have developed near-infrared (NIR) photodiodes from silicon that are approximately one-third more sensitive than existing photodiodes. Existing NIR photodiodes are typically made...
Sol Voltaics Aligns, Orients Nanowires in Solar Thin Film
LUND, Sweden, April 25, 2016 — Advanced materials startup Sol Voltaics AB has reported successful alignment and orientation of nanowires in a thin film, an achievement the company said will pave the way for a 50 percent boost in photovoltaic (PV) module efficiencies. Nanowires...
Nanowire Optical Properties Tuned by Alloy Catalyst
BERKELEY, Calif., March 9, 2015 — A new growth catalyst gives greater control over the colors of light emitted by gallium nitride nanowires. Rather than using a single metal, researchers at Lawrence Berkeley National Laboratory used gold-nickel alloys as a catalyst. By altering the...
Plasmonic Nanowire Shows Promise as Photonic Circuit
ROCHESTER, N.Y., and ZURICH, Sept. 5, 2014 — A new kind of nanowire efficiently guides both light and electricity.
Bandgap Boosts Solar Cell Efficiency with Nanowires
WOBURN, Mass., Dec. 11, 2013 — The average efficiency of standard commercial solar cells has been increased by 0.4 percent, just by replacing the standard surface texture with nanowire technology, Bandgap Engineering Inc. announced this week. The nanowire-enhanced cells, produced...
Laser Spectroscopy Overcomes Measurement Challenge
PHILADELPHIA, Sept. 12, 2013 — A "remarkably simple" laser-based approach overcomes the challenge of measuring key aspects of electron behavior while designing ever-smaller components -- which could allow cellphones, laptops and tablets to get increasingly thinner and more energy...
New UV LED Suits Commercial Applications
COLUMBUS, Ohio, Sept. 10, 2013 — An ultraviolet LED created from semiconductor nanowires doped with the rare-earth element gadolinium could lead to more portable and low-cost commercial uses of the technology.
All-Optical Nanoswitch Promises Faster Computers
PHILADELPHIA, Sept. 10, 2012 — The first all-optical photonic switch made of cadmium sulfide nanowires has not only been produced but combined with others into a logic gate for on-chip information processing, which could help bring quantum computing a step closer.
Laser Imaging System Screens Nanotubes
WEST LAFAYETTE, Ind., Nov. 22, 2010 — Researchers have demonstrated a new imaging tool for rapidly screening structures called single-wall carbon nanotubes, possibly hastening their use in creating a faster and more energy-efficient class of computers and electronics. The semiconducting...
Solid-state Sensor Combines Optics, Electronics
PITTSBURGH, Nov. 17, 2010 — University of Pittsburgh researchers have created a nanoscale light sensor that can be combined with near-atomic-size electronic circuitry to produce hybrid optic and electronic devices with new functionality. The team, which also involved...
'Piezotronic' Logic Device Devised
ATLANTA, Sept. 2, 2010 — Researchers at the Georgia Institute of Technology have developed a new class of electronic logic devices in which current is switched by an electric field generated by the application of mechanical strain to zinc oxide nanowires. The devices, which...
Nanotubes Create Atomic ‘Black Hole’
CAMBRIDGE, Mass., April 7, 2010 — Carbon nanotubes, long touted for applications in materials and electronics, may also be the stuff of atomic-scale black holes. Physicists at Harvard University have found that a high-voltage nanotube can cause cold atoms to spiral inward under...
4-Molecule Nanowire Superconducts
ATHENS, Ohio, March 29, 2010 — A sheet of four pairs of molecules less than one nanometer wide can be superconducting, scientists have found. The Ohio University-led study provides the first evidence that nanoscale molecular superconducting wires can be fabricated, which could be...
Sunlight Trapped with Si Nanowires
BERKELEY, Calif., March 9, 2010 – A better way of trapping sunlight using silicon nanowires is behind a new approach that could dramatically reduce the costs of making photovoltaics by allowing them to be manufactu...
A New World of Fiber Sensors
Oct 1, 2009 — Optical fiber is well-known for its ability to carry information at high speeds over long distances. Twenty years after the first transatlantic fiber optic cable was laid, these strands of ultrapure glass continue to offer unrivaled bandwidths. They...
Nanowire Arrays Help Make Less Expensive Image Sensors
Oct 1, 2008 — Berkeley, Calif. – Cheap and disposable sensors for use almost anywhere could be within reach, thanks to researchers from the University of California, Berkeley, and from Lawrence Berkeley National Laboratory, who combined nanowire photosensors and...
Nanowires Fabbed on Silicon
CAMBRIDGE, Mass., May 9, 2008 -- Nanowire devices have been fabricated by integrating silicon integrated circuits (ICs) manufacturing technology with photolithography. The new technique could lead to the development of a new class of ICs that combine light emitters with silicon...
Nanowires Drive OLED Display
WEST LAFAYETTE, Ind., April 2, 2008 -- A new class of transparent transistors and circuits created from nanowires could one day be used in applications such as electronic paper, flexible color monitors and "head-up" displays in car windshields. Nanowires, tiny cylindrical structures...
Fab Method Aids Biodetectors
UNIVERSITY PARK, Pa., March 10, 2008 -- A more flexible way of making diagnostic chips may hold the key to producing tiny medical devices capable of testing for viruses or cancer. The new fabrication method, bottom-up manufacturing, was developed by an interdisciplinary team at...
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April 2024
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