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University of Sydney News
Virtual Superlens Passes Diffraction Limit Without Distortion
SYDNEY, Nov. 6, 2023 — The diffraction limit enforces physical restrictions on how closely an object can be examined using traditional optical methods. Previous attempts to develop superlenses that image beyond the diffraction limit have met with extreme visual losses, to the point of making the lenses opaque. A virtual superlensing approach developed by researchers at the University of Sydney has broken through the diffraction limit by a factor of nearly four times. The researchers’ innovative approach
Experiment Validates Stimulated Emission for Single Photons
SYDNEY, March 23, 2023 — Scientists at the University of Sydney and the University of Basel have demonstrated the ability to manipulate and identify small numbers of interacting photons with high correlation. The achievement, the researchers said, represents an important...
Research Team Incorporates Photonics into Radar System
SYDNEY, Feb. 15, 2022 — A photonic radar system, characterized by its developers as so sensitive that it can detect an object’s location, speed, and angle down to the millimeter level, could be used for applications including autopilot assistance, gesture...
Plasma Coating Offers Cost-effective, Sustainable Alternative to Indium
SYDNEY, July 29, 2021 — Researchers from the University of Sydney have developed a low-cost, sustainable, and readily available technology that can dim the screens of electronic devices, antireflection automobile mirrors, and smart architectural windows at a fraction of...
Printable Device May Restore Sight to the Blind
SYDNEY, June 2, 2021 — An “artificial retina” developed at the University of Sydney may one day restore sight to the blind, according to its creator, Matthew Griffith of the Australian Centre for Microscopy & Microanalysis and the School of Aerospace,...
Habitable Exoplanets to Be Studied with Help of AI and Photonics
SYDNEY, Oct. 23, 2020 — Researchers from the University of Sydney developed a sensor capable of correcting the distortion of starlight caused by heat variations in Earth’s atmosphere. The sensor would allow ground-based telescopes to study habitable exoplanets. The...
Harnessing Light-Sound Interactions on a Single Chip
SYDNEY, Aug. 21, 2019 — A growing group of scientists is adapting the phenomenon known as Brillouin scattering to a new generation of integrated circuits for 5G and broadband networks, sensors, satellite communication, radar systems, and defense. While the feedback that...
Soliton Dynamics Could Lead to New On-Chip Signal Processing Apps
CAMPERDOWN, Australia, July 8, 2019 — Researchers have found a way to manipulate a soliton on a silicon chip at both the source and reception end of an optical fiber without altering the wave shape. They used a Bragg gated structure on a silicon substrate. The discovery, which is the...
Scientists Demonstrate Topologically Protected Biphoton States
SYDNEY, Australia, Nov. 5, 2018 — An optical circuit based on the principles of topology could provide protection for propagation of the biphoton states that will be needed for quantum computing, in order to inhibit scattering or loss of photons. Researchers at the University of...
Research Innovation Recognized by Edmund Educational Awards
BARRINGTON, N.J., Nov. 11, 2015 — Researchers behind a flow cytometer for seawater, a 3D superresolution microscopy technique and the study of bubbles took top honors in this year's Educational Awards presented by Edmund Optics Inc. The awards recognize undergraduate and graduate...
Experiments Take Step Toward Micro Photonic Chips
SYDNEY, March 11, 2014 — The creation of photonic chips at the micron scale may not be too far off, as seen in an experiment involving silicon photonic crystal.
Silk-Diamond Hybrid Shows Promise for Cell Imaging
MELBOURNE, Australia, SYDNEY and BOSTON, Jan. 28, 2014 — A new hybrid nanodiamond-silk material could enhance biological imaging and refine medication delivery.
Soliton Behavior Observed in Silicon Photonics
SYDNEY, Jan. 21, 2014 — A breakthrough in silicon photonics could shape the design of future integrated optical communications systems.
‘Photons On Demand’ Enable Compact Optical Chips
SYDNEY, Oct. 11, 2013 — Multiple imperfect photon sources can be combined on a single silicon chip to produce a much higher-quality source, say researchers in Australia. Such “photons on demand” will help create extremely compact optical chips. Researchers at...
Optical Chip Innovation Transferred to Industry
SYDNEY, May 21, 2013 — An optics innovation that enables researchers to vary how light is split on optical chips has been transferred from the University of Sydney to Finisar, creating a wave of sales for the Waterloo, Australia-based company.
Silica’s compatibility broadens through self-assembly
SYDNEY and PARIS – Silica, a rugged compound with unbeatable optical transparency over long distances, is about as easy to combine with other materials as oil is with water. But a novel manufacturing technique transforms this underused cousin of optical fiber into...
Laser Coaxes Silica Microwires to Self Assemble
SYDNEY and PARIS, Jan. 23, 2013 — Water droplets in which silica nanoparticles are suspended can be carefully controlled with an ultraviolet laser technique that coaxes them to self-assemble into highly uniform nanowires, heralding a new generation of integrated optical devices.
Mode-Locked Laser Is Ultrafast, Ultrasmall
SYDNEY, April 13, 2012 — The first laser to be mode-locked using a microcavity resonator is a giant leap forward in laser technology, allowing for highly compact, fast and precise lasers. A team led by David Moss of the University of Sydney, in collaboration with scientists...
Photonics Researchers Win Eureka Prizes
SYDNEY, Australia, Sept. 9, 2011 — Three photonics researchers were among 26 of Australia's top scientists, science educators and communicators to receive Australian Museum Eureka Prizes, considered the 'Oscars' of the Australian science world. Seventy-nine finalists, competing...
Attosecond Lasers Produce Electron Movies
CAMBRIDGE, Mass., Aug. 16, 2011 — Hoping to gain a clearer understanding of what happens during chemical reactions, a team of researchers is working to create a laser device that can release bursts of laser light to capture individual electrons as they orbit the nucleus — much...
$23.8M ARC Funding
Oct 5, 2010 — CUDOS – the Centre of Excellence for Ultrahigh Bandwidth Devices for Optical Systems – has secured major funding for the next seven years. Totaling $33 million AUD, including $23.8 million from the Australian Research Council (ARC), it...
Photonics Turned Upside Down
Oct 1, 2010 — There are suppliers in the southern hemisphere of leading photonics-based technologies, as well as cases of innovative research. This Web Exclusive by Hank Hogan cites examples in Australia, South Africa, and Brazil.
Sensor Measures Eensy Weensy Forces Fast
GAITHERSBURG, Md., Sept. 22, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have used a small crystal of ions to detect forces at the scale of yoctonewtons. Measurements of slight forces — one yoctonewton is equivalent to the weight of a single...
For Nonlinear Optical Processing, Things Do – and Don’t – Add Up
Sep 1, 2010 — Sometimes you don’t want 2 + 2 to equal 4. Instead, it would be nice if the result were a lot more – or a lot less. That’s the basis for nonlinear optical processing, where a material or device has an outsize response to...
CUDOS Secures Funding for Next 7 Years
SYDNEY, Australia, Aug. 11, 2010 — In a move that will boost the integrated photonics industry, the Center of Excellence for Ultrahigh Bandwidth Devices for Optical Systems (CUDOS) has secured major funding for the next seven years with a total of $33 million (AUS), including $23.8...
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May 2024
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