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Controlling spin coherence with rotation. This project aims to harness the ability to control the fundamental interactions which limit the precision of a diamond quantum sensor, enabling more sensitive magnetometry. Quantum sensors are unveiling new insights into nano-scale phenomena. Single atom defects in diamonds have been at the forefront of this revolution in nano-scale sensor technology. A unique capability, spinning diamond quantum sensors at up to 500,000 rpm, fast enough that quantum pr ....Controlling spin coherence with rotation. This project aims to harness the ability to control the fundamental interactions which limit the precision of a diamond quantum sensor, enabling more sensitive magnetometry. Quantum sensors are unveiling new insights into nano-scale phenomena. Single atom defects in diamonds have been at the forefront of this revolution in nano-scale sensor technology. A unique capability, spinning diamond quantum sensors at up to 500,000 rpm, fast enough that quantum properties of the defects are preserved during a cycle has been established. This project will address the long-standing problem of nano-scale solid-materials characterisation using rotationally-enhanced quantum magnetic resonance spectroscopy.Read moreRead less
When quantum is not desirable: quantum noise vs. quantum technologies. One of the key remaining obstacles to the successful deployment of quantum computers & sensors in science, industry, and society is the existence of noise sources that are themselves quantum, and thus have an unmatched potential for disruption. This project will attack this problem by providing (i) a detailed understanding of the impact of quantum noise sources, and developing protocols to (ii) characterize and (iii) overcome ....When quantum is not desirable: quantum noise vs. quantum technologies. One of the key remaining obstacles to the successful deployment of quantum computers & sensors in science, industry, and society is the existence of noise sources that are themselves quantum, and thus have an unmatched potential for disruption. This project will attack this problem by providing (i) a detailed understanding of the impact of quantum noise sources, and developing protocols to (ii) characterize and (iii) overcome the negative effects such realistic noise entails. In taking this necessary step for the implementation of these breakthrough technologies, it will not only significantly advance knowledge but will have a direct impact in the development of a technology in which Australia and other leading nations are heavily invested.Read moreRead less
Building Schrodinger's cat: large-scale entanglement of trapped ions. Where does the microscopic quantum world leave off and the normal world begin? The project will expand the boundaries of the quantum realm by building the largest quantum objects ever assembled and put them to work in computing and cryptography. These quantum devices will help Australia lead the race for future information technologies.
Emergent many-body phenomena in engineered quantum optical systems. In recent years, scientists have realised unprecedented control over light-matter interaction. Single particle dynamics in engineered systems are now well understood, but when scaled up, the many-body behaviour remains unexplored. This project will significantly advance our understanding of new emergent quantum phenomena arising from engineered interactions between many particles. These phenomena are qualitatively new behaviour ....Emergent many-body phenomena in engineered quantum optical systems. In recent years, scientists have realised unprecedented control over light-matter interaction. Single particle dynamics in engineered systems are now well understood, but when scaled up, the many-body behaviour remains unexplored. This project will significantly advance our understanding of new emergent quantum phenomena arising from engineered interactions between many particles. These phenomena are qualitatively new behaviour that cannot be explained as an extension of single-particle behaviour. The chief aim is to unravel the quantum dynamics of these systems. The project is expected to assist in producing new quantum technologies such as sources and detectors of quantum light and new atomic clocks.
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Two-dimensional quantum turbulence in superfluid atomic gases. This project will controllably generate and study turbulence in two-dimensional superfluids. With quantum fluids as models to understand two-dimensional fluid dynamics, this project aims to provide a better generic understanding of physical mechanisms behind phenomena as diverse as cyclone dynamics and the stability of the planet Jupiter's Great Red Spot.
Discovery Early Career Researcher Award - Grant ID: DE220101272
Funder
Australian Research Council
Funding Amount
$439,000.00
Summary
Giving quantum systems a voice: quantum optoacoustics on a nanoscale. This project aims to build a complete and scalable platform for the new paradigm of quantum acoustics, ready for immediate deployment as a critical component of a hybrid quantum computing architecture. Using a combination of theoretical techniques at the boundary of quantum physics, nanoscale electromagnetism, classical theory of elasticity, and advanced numerical methods, I will design a complete suite of quantum acoustic dev ....Giving quantum systems a voice: quantum optoacoustics on a nanoscale. This project aims to build a complete and scalable platform for the new paradigm of quantum acoustics, ready for immediate deployment as a critical component of a hybrid quantum computing architecture. Using a combination of theoretical techniques at the boundary of quantum physics, nanoscale electromagnetism, classical theory of elasticity, and advanced numerical methods, I will design a complete suite of quantum acoustic devices and protocols to enable interfacing between state-of-the-art quantum devices. This project will strengthen the leading position of Australian researchers in the race towards quantum technologies by offering practical solutions to a critical bottleneck in designing large-scale quantum technologies.Read moreRead less
Quantum physics and complexity. How much information about a system’s present is needed to predict its future? This project aims to show that the answer fundamentally depends on how information is stored. Simulations of partially random processes are critical in real-world applications. Surprisingly, theory suggests that a simulation must store much more classical data (like bits) than is required to determine its output. This wastes precious resources. Via optical quantum information experiment ....Quantum physics and complexity. How much information about a system’s present is needed to predict its future? This project aims to show that the answer fundamentally depends on how information is stored. Simulations of partially random processes are critical in real-world applications. Surprisingly, theory suggests that a simulation must store much more classical data (like bits) than is required to determine its output. This wastes precious resources. Via optical quantum information experiments, the project aims to demonstrate and characterise how storing and handling data in quantum states massively reduces this complexity overhead. Another goal is to use novel quantum optics ideas to greatly reduce communication complexity in important remote processing tasks.Read moreRead less
Quantum optical methods for entangled devices. This project aims to develop experimental quantum optics methods and techniques for enhancing the performance of sensitive devices. Entangled photons will be used to probe separate devices, yielding an improved detection of correlated signals. This new technique will benefit laboratory searches for new fundamental physics effects such as space-time fluctuations due to quantum gravity and exotic dark matter candidates. The project is expected to tr ....Quantum optical methods for entangled devices. This project aims to develop experimental quantum optics methods and techniques for enhancing the performance of sensitive devices. Entangled photons will be used to probe separate devices, yielding an improved detection of correlated signals. This new technique will benefit laboratory searches for new fundamental physics effects such as space-time fluctuations due to quantum gravity and exotic dark matter candidates. The project is expected to train scientists and students in advanced quantum methods, promoting and securing Australia's position as a leader in the development of quantum technologies. Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE160100356
Funder
Australian Research Council
Funding Amount
$327,216.00
Summary
Quantum measurements: new, better, easier. This project aims to: engineer new state-of-the-art quantum measurements; devise the best ways of sensing quantum signals; and make quantum measurements and characterisation of large quantum systems easier to do. Quantum measurements are the principal means by which we gain access to and characterise the quantum world. The new, better and easier measurements that should result from this project will greatly advance quantum technologies. Specifically, th ....Quantum measurements: new, better, easier. This project aims to: engineer new state-of-the-art quantum measurements; devise the best ways of sensing quantum signals; and make quantum measurements and characterisation of large quantum systems easier to do. Quantum measurements are the principal means by which we gain access to and characterise the quantum world. The new, better and easier measurements that should result from this project will greatly advance quantum technologies. Specifically, they should allow for more efficient characterisation of quantum computers and enable us to engineer the ultimate quantum sensors, enhance mineral prospecting; and make building a quantum computer practical.Read moreRead less
Unconditional photonic entanglement verification and quantum metrology using fast, ultra-high-efficiency photon detectors. Scientists can currently only give in-principle demonstrations of the powerful advantages offered by the quantum physics of photons – particles of light. A true quantum technology revolution, that genuinely exploits photons’ exotic nature, requires methods and apparatus that work unconditionally. The main barrier is the extreme fragility of quantum properties due to unavoida ....Unconditional photonic entanglement verification and quantum metrology using fast, ultra-high-efficiency photon detectors. Scientists can currently only give in-principle demonstrations of the powerful advantages offered by the quantum physics of photons – particles of light. A true quantum technology revolution, that genuinely exploits photons’ exotic nature, requires methods and apparatus that work unconditionally. The main barrier is the extreme fragility of quantum properties due to unavoidable losses. This project will overcome this barrier by developing innovative loss-tolerant protocols and devices that unconditionally show and exploit quantum effects, both for long-distance applications and ultra-precise measurement technologies. This collaboration will bring the world’s best photon detectors to Australia, as a key resource for this work and for future research.Read moreRead less