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quantum dot News
Computer Model Details QD Interaction with Protein
SYRACUSE, N.Y., Jan. 16, 2015 — A new computer modeling approach could increase understanding of how nanoscale quantum dots (QDs) interact with biological systems. QDs are used in a number of bioimaging applications, including in vivo imaging of tumor cells, detection of biomolecules and measurement of pH changes. But proteins tend to surround the nanoparticles, forming a corona that changes their sensitivity to light. Researchers at Syracuse University said they have addressed a “computational
Trends in Miniaturization
Jan 16, 2015 — Exploiting the unusual optical properties of very small objects, quantum-based technologies are starting to revolutionize lasers, solar cells, communications and more. Smaller is often better, as it frequently can reduce the size and weight of gear...
‘Cannon’ Launches Single Photons
COPENHAGEN, Denmark, Sept. 2, 2014 — A new photonic "cannon" could provide the necessary light control for quantum encryption and computing.
QD Lasers Grown on Silicon Show Record Performance
SANTA BARBARA, Calif., and BETHLEHEM, Pa., Feb. 25, 2014 — A new study shows that direct growth of III-V lasers on silicon (Si) with quantum dot (QD) active regions is a competitive alternative to wafer bonding lasers grown on native substrates. The 1.3-µm wavelength indium arsenide (InAs) QD lasers...
Nanosys Quantum Dots Pass Production Milestone
MILPITAS, Calif., Oct. 3, 2013 — Advanced materials supplier Nanosys said it has passed a major production milestone that represents a "significant step forward" in adopting quantum dot technology for displays. The shipment of more than 2000 kg of its Quantum Dot Concentrate, used...
Nanophotonics Reshapes Data Transmission
STANFORD, Calif., Nov. 15, 2011 — A new ultrafast nanoscale single-mode LED can transmit data at 10 billion bits per second and is thousands of times more energy-efficient than today’s laser-based systems. The new device operates at room temperature and could therefore...
Photons ‘Photocopied’ for Quantum Computing
GAITHERSBURG, Md., Nov. 3, 2011 — Photon particles from two disparate sources have been rendered indistinguishable without losing their essential quantum properties, suggesting, in principle, that they can connect different types of hardware devices into a single quantum information...
Samsung Licenses QD LED Tech
Jul 1, 2011 — Samsung Electronics Co. Ltd., based in Seoul, South Korea, and Evident Technologies Inc. of Troy, N.Y., have entered into a patent licensing and purchasing agreement. Under the arrangement, Samsung has been granted worldwide access to...
VIS Offers QD Laser Epitaxial Wafer
BERLIN, Jan. 28, 2011 — VI Systems GmbH (VIS) has developed a universal epitaxial growth technique for high-density InAs-GaAs-based quantum dots (QDs) that is applicable to QD lasers and other advanced devices. QD lasers operating at 1300 nm are known to reach very...
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...
QD Vision’s Coe-Sullivan Named to NRC Committee
WATERTOWN, Mass., Oct. 22, 2010 — Quantum dot company QD Vision announced that Dr. Seth Coe-Sullivan was selected as a member of the National Research Council Committee. The committee was set in place to develop a research strategy for the environmental, health and safety...
Color of Single Photons Changed
GAITHERSBURG, Md., Oct. 18, 2010 — The conversion of near-infrared 1300-nm-wavelength single photons emitted from a true quantum source — a semiconductor quantum dot — to a near-visible wavelength of 710 nm was demonstrated for the first time. The ability to change the color of...
QDs in microcavities advance blue diode lasers
BREMEN, Germany – Newly developed monolithically integrated nitride laser microcavities that incorporate quantum dots (QDs) could be an important step in making better blue and green diode lasers as well as single-photon sources. A team of solid-state physicists at...
Quantum dot ink will make lasers printable
CLAYTON SOUTH and MELBOURNE, Australia, & PADUA, Italy – Printing techniques that already have been incorporated into solar cell manufacturing could prove useful for the production of lasers and other emitting optoelectronic devices, according to researchers from Australia and Italy. Quantum dots are...
Nanoscale gold boosts infrared detection
TROY, N.Y. – For the past decade, state-of-the-art infrared photodetectors have been based on MCT, or mercury cadmium telluride, technology, which offers strong signal sensing but is associated with various drawbacks, such as its suboptimal signal-to-noise ratio...
‘Photonic Molecule’ System Developed
PARIS, July 13, 2010 — A team from the Laboratory for Photonics and Nanostructures (LPN) of the Centre National de la Recherche Scientifique (CNRS, National Center for Scientific Research) has developed a source of entangled photons 20 times brighter than all existing...
Carlson to Lead QD Vision
WATERTOWN, Mass., July 2, 2010 — QD Vision, a maker of quantum dot products for solid-state lighting and display applications, announced that Jason Carlson has been hired as its new president and CEO. Carlson replaces Dan Button, who has been president and CEO since 2007 and...
‘Microlens’ Enhances IR Satellite Imaging
Troy, N.Y., May 25, 2010 — Researchers from Rensselaer Polytechnic Institute have developed a new nanotechnology-based ’microlens’ that uses gold to boost the strength of infrared imaging and could lead to a new generation of ultra-powerful satellite cameras and...
Imperfect Chips Enhance Quantum Technology
LYNGBY, Denmark, March 16, 2010 – A lot of effort is put into perfecting optical chips, which, among other applications, are used within quantum technology. However, a group at DUT Fotonik is saying that imperfectio...
“Photonic machine gun” fires up supercomputer research
LONDON – The entanglement of photons is key to developing quantum computers and cryptography devices. However, understanding exactly what entanglement means is tricky, as is generating entangled photons at defined points in time. Researchers at Imperial...
Donors and Acceptors: New Developments in FRET
Sep 1, 2009 — Förster resonance energy transfer, or FRET, has contributed to advances in a host of applications and the development of the technique is ongoing. In recent years, FRET has benefited from a variety of new components and methodologies. In this Web...
QD Core Given Gold Shell
SEATTLE, July 28, 2009 -- Nanoparticles have been developed to perform a wide range of medical uses, from imaging tumors to carrying drugs to delivering pulses of heat to destroy tumor cells. But rather than settling for just one of these, researchers at the University of...
QD Researcher Nabs NSF Award
Feb 23, 2009 — Matthew Doty, assistant professor in the department of materials science and engineering at the University of Delaware, has received a five-year, $525,000 National Science Foundation (NSF) Faculty Early Career Development Award for his work on...
QD Laser Maker Secures $13M
DORTMUND, Germany & SANTA CLARA, Calif., Aug. 5, 2008 -- Innolume, a maker of quantum dot (QD) -based lasers and laser modules, said it has secured approximately $13.3 million (€8.6 million) after a Series C funding round led by S-Group Capital Management. Innolume, which has facilities in Santa Clara...
Nano Pioneers Awarded $1M
OSLO, Norway, May 28, 2008 -- Scientists from the US and Japan who discovered quantum dots and carbon nanotubes, respectively, are among seven inaugural recipients of $1 million Kavli prizes, biannual awards for outstanding research in nanoscience, neuroscience and astrophysics....
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May 2024
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