Swinburne University of Technology (often simply referred to as Swinburne) is an Australian public university of technology based in Melbourne, Victoria.
Swinburne was founded in 1908 by the Honourable George Swinburne as the Eastern Suburbs Technical College. Its foundation campus is located in Hawthorn, a suburb of Melbourne which is located 7.5 km from the Melbourne CBD.
In its first year, it enrolled 80 students in subjects including carpentry, plumbing and gas fitting. Today, Swinburne operates five campuses in two countries and has an enrolment of 60,000 students across vocational, undergraduate and postgraduate levels.
In addition to its main Hawthorn campus, Swinburne has campuses in the Melbourne metropolitan area at Prahran, Wantirna and Croydon. In 2013, the university closed its Lilydale campus following cuts by the Victorian Government to vocational education funding in 2012.
The Latest Updated Research News:
Swinburne University of Technology research articles from Innovation Toronto
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Breakthrough chip for nano-manipulation of light paves way for next generation optical technologies and enables deeper understanding of black holes
An Australian research team has created a breakthrough chip for the nano-manipulation of light, paving the way for next gen optical technologies and enabling deeper understanding of black holes.
Led by Professor Min Gu at RMIT University in Melbourne, Australia, the team designed an integrated nanophotonic chip that can achieve unparalleled levels of control over the angular momentum (AM) of light.
The pioneering work opens new opportunities for using AM at a chip-scale for the generation, transmission, processing and recording of information, and could also be used to help scientists better understand the evolution and nature of black holes.
While traveling approximately in a straight line, a beam of light also spins and twists around its optical axis. The AM of light, which measures the amount of that dynamic rotation, has attracted tremendous research interest in recent decades.
A key focus is the potential of using AM to enable the mass expansion of the available capacity of optical fibres through the use of parallel light channels – an approach known as “multiplexing”.
But realising AM multiplexing on a chip scale has remained a major challenge, as there is no material in nature capable of sensing twisted light.
“By designing a series of elaborate nano-apertures and nano-grooves on the photonic chip, our team has enabled the on-chip manipulation of twisted light for the first time,” Gu said.
“The design removes the need for any other bulky interference-based optics to detect the AM signals.
“Our discovery could open up truly compact on-chip AM applications such as ultra-high definition display, ultra-high capacity optical communication and ultra-secure optical encryption.
“It could also be extended to characterize the AM properties of gravitational waves, to help us gain more information on how black holes interact with each other in the universe.”
The team devised nano-grooves to couple AM-carrying beams into different plasmonic AM fields, with the nano-apertures subsequently sorting and transmitting the different plasmonic AM signals.
Lead author Haoran Ren, a PhD candidate at Swinburne University of Technology, said: “If you send an optical data signal to a photonic chip it is critical to know where the data is going, otherwise information will be lost.
“Our specially-designed nanophotonic chip can precisely guide AM data signals so they are transmitted from different mode-sorting nano-ring slits without losing any information.”
As well as laying the foundation for the future ultra-broadband big data industry and providing a new platform for the next industry revolution, the research offers a precise new method for improving scientific knowledge of black holes.
Gu, Associate Deputy Vice-Chancellor for Research Innovation and Entrepreneurship at RMIT, and Node Director of the Australian Research Council’s Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), said the work offered the possibility of full control over twisted light, including both spin angular momentum (SAM) and orbital angular momentum (OAM).
“Due to the fact that rotating black holes can impart OAM associated with gravitational waves, an unambiguous measuring of the OAM through the sky could lead to a more profound understanding of the evolution and nature of black holes in the universe,” he said.
An international team of scientists has set a new record for the complexity possible on a quantum computing chip, bringing us one step closer to the ultra-secure telecommunications of the future.
A key component of quantum science and technology is the notion of entangled particles – typically either electrons or particles of light called photons. These particles remain connected even if separated over large distances, so that actions performed by one affect the behaviour of the other.
In a paper, published today in the journal Science, the research team outlines how it created entangled photon states with unprecedented complexity and over many parallel channels simultaneously on an integrated chip.
Importantly, the chip was also created with processes compatible with the current computer chip industry, opening up the possibility of incorporating quantum devices directly into laptops and cell phones.
The researchers were led by Professor David Moss, the newly appointed Director of the Centre for Micro-Photonics at Swinburne University of Technology, and Professor Roberto Morandotti from the Institut National de la Recherche Scientifique (INRS-EMT) in Montreal, Canada.
The researchers used ‘optical frequency combs’ which, unlike the combs we use to detangle hair, actually help to ‘tangle’ photons on a computer chip.
Their achievement has set a new record in both the number and complexity of entangled photons that can be generated on a chip to help crack the code to ultra-secure telecommunications of the future.
It also has direct applications for quantum information processing, imaging, and microscopy.
“This represents an unprecedented level of sophistication in generating entangled photons on a chip,” Professor Moss says.
“Not only can we generate entangled photon pairs over hundreds of channels simultaneously, but for the first time we’ve succeeded in generating four-photon entangled states on a chip.”
Professor Morandotti says the breakthrough is the culmination of 10 years of collaborative research on complementary metal–oxide–semiconductor (CMOS) compatible chips for both classical and quantum nonlinear optics.
“By achieving this on a chip that was fabricated with processes compatible with the computer chip industry we have opened the door to the possibility of bringing powerful optical quantum computers for everyday use closer than ever before,” Professor Morandotti says.
The groundwork for the research was completed while Professor Moss was at RMIT. The collaboration includes the City University of Hong Kong, University of Sussex and Herriot Watt University in the UK, Yale University, and the Xi’an Institute in China.