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National University of Singapore News
Supercritical Coupling Boosts Photon Upconversion
SINGAPORE, March 4, 2024 — Researchers at the National University of Singapore (NUS) have unveiled a novel concept termed supercritical coupling that enables a several-fold increase in photon upconversion efficiency. This discovery not only challenges existing paradigms, but also opens a new direction in the control of light emission, the team said. Photon upconversion, the process of converting low-energy photons into higher-energy ones, is a crucial technique with broad applications, ranging from superresolution
Laser Speckle Method Captures Blood Flow in Microvasculature
SINGAPORE, March 28, 2022 — Researchers at the National University of Singapore developed a confocal laser speckle autocorrelation method to image dynamic flow in microvasculature. The technique is label-free and enables real-time and quantitative imaging of blood flow on the...
National University of Singapore Launches Functional Intelligent Materials Research Center
SINGAPORE, Oct. 20, 2021 — The National University of Singapore (NUS) has launched the Institute for Functional Intelligent Materials (I-FIM), an institute dedicated to the design, synthesis, and application of functional intelligent materials. Nobel Prize-winning materials...
Optical Power Limiter Pushes Attack-Proof Quantum Communication Forward
SINGAPORE, July 19, 2021 — Researchers from the National University of Singapore (NUS) developed two methods to enable quantum key distribution (QKD) communications to avoid side-channel attacks — instances in which attackers exploit weaknesses in the setup of the...
Quantum Entanglement Demonstrated Aboard Orbiting CubeSat
SINGAPORE, July 1, 2020 — An international research team led by the National University of Singapore (NUS) has generated and detected quantum entanglement onboard a CubeSat nanosatellite weighing less than 2.6 kg and orbiting Earth. CubeSats are low-resource, cost-effective...
Twisted Layers of 2D Materials Can Be Used to Propagate and Control Light
NEW YORK, June 22, 2020 — An international scientific team has demonstrated that twistronics — the science of layering and twisting 2D materials to control their electrical properties — can be used to manipulate the flow of light in extreme ways. The findings...
Small Wonders: Fiction Writers Tackle Quantum Physics
SINGAPORE, Dec. 19, 2019 — If you have some downtime over the holidays, consider “getting entangled” in Quantum Shorts: Collected Flash Fiction Inspired by Quantum Physics, an anthology of short stories with quantum physics as its theme, available to download now...
Entanglement-Based QKD Could Secure Optical Fiber Networks
SINGAPORE, April 8, 2019 — A technique that will help pairs of light particles smoothly navigate optical fiber networks was performed over 10 km of Singtel’s fiber network. Researchers from the National University of Singapore (NUS) and Singtel are driving the project...
NUS Team Enables Solar-Powered Drone Flight
SINGAPORE, Sept. 25, 2018 — A team from the National University of Singapore (NUS) has achieved a major step forward in stretching the capabilities of quadcopter drones by powering the flight solely by natural sunlight. A first in Asia, the current prototype has flown >10 m in...
Researchers Use Photovoltage Measurements to Observe Quantum Spin Effects
SINGAPORE, Aug. 15, 2018 — Scientists have observed specific spin phenomena in topological insulators and metals using a scanning photovoltage microscope. The new, practical way to examine quantum behavior of materials could yield information useful for building future...
SERIS Develops IBC Bifacial Solar Module
SINGAPORE, April 27, 2017 — The Solar Energy Research Institute of Singapore (SERIS) at the National University of Singapore (NUS) has developed the world's first full-size interdigitated back contact (IBC) bifacial solar module using ZEBRA solar cells from the International...
Blue LEDs Could Help Preserve Certain Refrigerated Foods
SINGAPORE, July 15, 2015 — Blue light may be the key to keeping chemical preservatives out of certain food products. A team of scientists from the National University of Singapore has found that blue LEDs have strong antibacterial effect on major foodborne pathogens, and are...
Laser Nanolithography Could Improve Nanomaterials
SINGAPORE, July 23, 2014 — Lasers can “draw” patterns on nanomaterials, a technique that shows potential for improving the functionality of electronic and optoelectronic components. Research teams at the National University of Singapore, led by professor Dr. Sow...
Microlens Developers Awarded Kingslake Medal
BELLINGHAM, Wash., July 8, 2014 — Wei Zhang of the National University of Singapore and Hans Zappe and Andreas Seifert of the University of Freiburg in Germany have been awarded the Rudolf Kingslake Medal and Prize for their work on tunable liquid-filled microlenses. Their 2013...
UV Light Sets Crystals in Motion
SINGAPORE, June 3, 2014 — Tiny crystals of a cobalt coordination compound leap, twirl and burst apart like popcorn when exposed to UV light. A team led by researchers at the National University of Singapore suggests the microscopic phenomenon could find macroscopic...
Plasmonic Tunneling Enables Ultrafast Circuits
SINGAPORE, April 10, 2014 — A marriage of photonics and nanostructures could enable a huge leap in computer processing speed.
Chemistry Advance Paves Way for Printable Photonics
SINGAPORE, Jan. 6, 2014 — A method that turns certain chalcogenide compounds into high- quality, larger exfoliated flakes than currently available can be used in printable photonics and electronics. Dr. Zheng Jian, the first author of the paper, is shown demonstrating the...
Device Creates Multiple ‘Ghosts’
SINGAPORE, Feb. 19, 2013 — An optical device that uses metamaterials and optical scattering to “engineer” multiple ghosts — the holy grail of the fields of optical illusions, electromagnetics and radar detection — offers new possibilities for cognitive deception through the...
Nanoparticles Enable Drug Activation by NIR Light
SINGAPORE, Sept. 28, 2012 — Nanoparticles that convert near-infrared to ultraviolet or visible light could help overcome the skin penetration limits of conventional photodynamic therapy.
Surprising Quantum Source Yields Info Advantage
SINGAPORE, Aug. 13, 2012 — Quantum entanglement may not always be necessary to run quantum computers, new research suggests. Moreover, technologies discovered over the past few years can gain a quantum advantage without entanglement.
Doped Nanocrystals Developed for Bioimaging
SINGAPORE, Nov. 23, 2011 — A synthesis of lanthanide-doped core-shell nanocrystals has resulted in advanced light-control properties for bioimaging applications including cancer diagnostics, medical imaging and therapeutic delivery. A research team from the National...
EMCCD Camera Aids in Development of Solar Cells
BELFAST, Northern Ireland, Nov. 21, 2011 — A nondestructive technique to test silicon wafer solar cells could lead to higher solar cell efficiency and improved yield for photovoltaic panel manufacturers. An Andor Luca-R EMCCD camera images a solar module (1000 × 450 mm.(Image:...
Eavesdropper demonstrates loophole in secure communications
SINGAPORE – Quantum key distribution (QKD) is designed for secure computer-based interactions, keeping communication between two remote parties confidential by enabling them to construct a shared secret key during the course of their conversation. It may sound...
Broadband Graphene Polarizer Invented
PASIR PANJANG, Singapore, June 16, 2011 — A graphene-based polarizer that can broaden the bandwidth of prevailing optical fiber-based telecommunications systems has been invented by researchers at National University of Singapore (NUS). The team, led by professor Kian Ping Loh,...
New Website for International School of Photonics
Dec 9, 2010 — Have you visited the website of the International School of Photonics (ISP) lately? The Kochi (or Cochin), India-based institute, which is part of the internationally acclaimed Cochin University of Science and Technology (CUSAT), now boasts of a...
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April 2024
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