Investigate the properties of exotic nuclei and their impact on fundamental models and creation of the elements when stars explode. 

Following a practical introduction to optical interferometry for gravitational wave detectors and simulation tools, this project will model the optical configuration to optimize detector performance against a number of possible predictions of the neutron star equation of state.

This experimental project aims to create entangled states of ultracold helium atoms where the entanglement is between atoms of different mass. By manipulating the entangled pairs using laser induced Bragg transitions and measuring the resulting correlations, we will study how gravity affects mass-entangled particles.

An optical quantum memory will capture a pulse of light, store it and then controllably release it. This has to be done without ever knowing what you have stored, because a measurement will collapse the quantum state. We are exploring a "photon echo" process to achieve this goal.

This is a multi-faceted project which can be adapted to students at the honours level and above. A number of possibilities exist to perform experiments directed towards improving the use of positrons in medice, mostly focussed on Positron Emission Tomography (PET).

Antiparticles and antimatter have progressed from theory and science fiction to become an important and exciting area of pure and applied science. This fundamental atomic physics project will investigate how antimatter and matter interact by experimentally studying the interaction of positrons (the electron anti-particle) with trapped ultracold rubidium atoms.

We are seeking students to perform fundamental research into how different ions exert influence in a myriad of systems.

This is a multi-faceted project which can be adapted to students at the honours level and above. A number of possibilities exist to perform experiments directed towards improving the use of positrons in medice, mostly focussed on Positron Emission Tomography (PET).

Develop an active vibraiton isolation platform to provide a quiet, small displacement environment for high precision inteferometry.

Use ultra-fast gamma-ray detectors to perform excited-state lifetime measurements and investigate single-particle and collective features of atomic nuclei. 

This project aims to gain fundamental insights into the mechanisms of energy dissipation in nuclear collisions by making new measurements that will aid in the development of new models of nuclear fusion.

Explore directional detection for underground dark matter searches.

This project will use nuclear reactions to study the basic make-up of atomic nuclei at the quantum level, and investigate the impact of nuclear structure on sub-atomic forces and fundamental physics. 

Absolute gravimeters tie their measurement of gravity to the definition of the second 
by interrogating the position of a falling test mass using a laser interferometer. Our vision is to develop and prototype a miniaturised absolute gravimeter by 
leveraging modern vacuum, laser, and micro-electromechanical systems.

Following a practical introduction to optical interferometry for gravitational wave detectors and simulation tools, this project will model the optical configuration to optimize detector performance against a number of possible predictions of the neutron star equation of state.

Inter-satellite laser links are an emerging technology with applications in Earth Observation, telecommunications, security, and, the focus of the CGA space technology group.

Machine learning based on deep neural networks is a powerful method for improving the performance of experiments.  It may also be useful for finding new physics.

Nanobubbles are simply nanosized bubbles. What makes them interesting? Theory tells us they should dissolve in less than a second but they are in some cases stable for days.

We measure the basic forces that operate between molecules that are manifest at interfaces. These forces control the stability of colloidal systems from blood to toothpaste. We use very sensitive techniques that are able to measure tiny forces with sub nanometer distance resolution. Understanding these forces enables us to predict how a huge variety of colloidal systems will behave.

We are studying colloidal systems in highly concentrated salt solutions. Here a number of surprising and unexplained things happen that are associated with surprisingly long-ranged electrostatic forces

Semiconductor nanowires are emerging nano-materials with substantial opportunities for novel photonic and quantum device applications. This project aims at developing a new generation of high performance NW based photodetectors for a wide range of applications.

Gravitational wave detectors have reached the thermodynamic limit of optical coatings. Further sensitivity improvements require new coating materials and noise mitigation techniques. This project is about designing an experiment to measure the exponential decay of mechanical oscillator modes for determining key properties of optical coatings.

New forms of materials can be made using extreme pressures via diamond anvil cells.

Gravitational wave detectors have reached the thermodynamic limit of optical coatings. Further sensitivity improvements require new coating materials and noise mitigation techniques. This project models the behaviour of higher order spatial laser modes in optical resonators for measuring coating thermal noise directly.

This is a multidisciplinary project supported by the ANU Grand Challenge project ‘Our Health in Our Hands’ (OHIOH), aimed at developing wearable sensors for detecting target biomarkers to identify certain health conditions.

This project aims to demonstrate semiconductor nanowire based infrared avalanche photodetectors (APDs) with ultra-high sensitivity towards single photon detection. By employing the advantages of their unique one-dimensional nanoscale geometry, the nanowire APDs can be engineered to different device architectures to achieve performance superior to their conventional counterparts. This will contribute to the development of next generation infrared photodetector technology enabling numerous emerging fields in modern transportation, communication, quantum computation and information processing.

Nanobubbles are simply nanosized bubbles. What makes them interesting? Theory tells us they should dissolve in less than a second but they are in some cases stable for days.

In this project we aim to design and demonstrate  III-V compound semiconductor based quantum well nanowire light emitting devices with wavelength ranging from 1.3 to 1.6 μm for optical communication applications.

We are studying colloidal systems in highly concentrated salt solutions. Here a number of surprising and unexplained things happen that are associated with surprisingly long-ranged electrostatic forces

We are seeking students to perform fundamental research into how different ions exert influence in a myriad of systems.

We measure the basic forces that operate between molecules that are manifest at interfaces. These forces control the stability of colloidal systems from blood to toothpaste. We use very sensitive techniques that are able to measure tiny forces with sub nanometer distance resolution. Understanding these forces enables us to predict how a huge variety of colloidal systems will behave.

This project aims to investigate the concepts and strategies required to produce electrically injected semiconductor nanowire lasers by understanding light interaction in nanowires, designing appropriate structures to inject current, engineer the optical profile and developing nano-fabrication technologies. Electrically operated nanowire lasers would enable practical applications in nanophotonics.

This is a multidisciplinary project supported by the ANU Grand Challenge project ‘Our Health in Our Hands’ (OHIOH), aimed at developing wearable sensors for detecting target biomarkers to identify certain health conditions.

The project aims to investigate compound semiconductor micro-ring lasers on silicon substrates using selective area growth to engineer the shape of the lasing cavity at the nano/micro-scale. This project will open up new doors to the industry since an integrated laser which is reliable, efficient and easily manufacturable is still elusive in Si photonics.

This project aims to demonstrate semiconductor nanowire based infrared avalanche photodetectors (APDs) with ultra-high sensitivity towards single photon detection. By employing the advantages of their unique one-dimensional nanoscale geometry, the nanowire APDs can be engineered to different device architectures to achieve performance superior to their conventional counterparts. This will contribute to the development of next generation infrared photodetector technology enabling numerous emerging fields in modern transportation, communication, quantum computation and information processing.

Gravitational wave detectors have reached the thermodynamic limit of optical coating performance and require novel coating materials and noise mitigation techniques for further sensitivity improvements. This project is to implement a phase tracking system for the optical beat between two 2µm-band lasers for coating thermal noise measurements.

In this project we aim to design and demonstrate  III-V compound semiconductor based quantum well nanowire light emitting devices with wavelength ranging from 1.3 to 1.6 μm for optical communication applications.

Semiconductor nanowires are emerging nano-materials with substantial opportunities for novel photonic and quantum device applications. This project aims at developing a new generation of high performance NW based photodetectors for a wide range of applications.

Optical cavities are widely used in physics and precision measurement.  This project will explore the use of modern machine learning methods for the control of suspended optical cavities.  

Precise Earth gratitational field measurements with laser-ranging interferometry.

This project aims to investigate the concepts and strategies required to produce electrically injected semiconductor nanowire lasers by understanding light interaction in nanowires, designing appropriate structures to inject current, engineer the optical profile and developing nano-fabrication technologies. Electrically operated nanowire lasers would enable practical applications in nanophotonics.

Using non-classical light states on laser interferometric gravitational-wave detectors, to further enhance the best length measurement devices in the world.

Gravitational wave detectors have reached the thermodynamic limit of optical coatings. Further sensitivity improvements require new coating materials and noise mitigation techniques. This project is about designing an experiment to measure the exponential decay of mechanical oscillator modes for determining key properties of optical coatings.

Gravitational wave detectors have reached the thermodynamic limit of optical coatings. Further sensitivity improvements require new coating materials and noise mitigation techniques. This project models the behaviour of higher order spatial laser modes in optical resonators for measuring coating thermal noise directly.

Inter-satellite laser links are an emerging technology with applications in Earth Observation, telecommunications, security, and, the focus of the CGA space technology group.

The project aims to investigate compound semiconductor micro-ring lasers on silicon substrates using selective area growth to engineer the shape of the lasing cavity at the nano/micro-scale. This project will open up new doors to the industry since an integrated laser which is reliable, efficient and easily manufacturable is still elusive in Si photonics.

Use ultra-fast gamma-ray detectors to perform excited-state lifetime measurements and investigate single-particle and collective features of atomic nuclei. 

This project aims to gain fundamental insights into the mechanisms of energy dissipation in nuclear collisions by making new measurements that will aid in the development of new models of nuclear fusion.

Nuclear metastable states, known colloquially as isomers, have energy densities millions of times greater than chemical batteries. This project investigates nuclear pathways for reliably extracting this energy from candidate isotopes on demand. 

Explore directional detection for underground dark matter searches.

This project will use nuclear reactions to study the basic make-up of atomic nuclei at the quantum level, and investigate the impact of nuclear structure on sub-atomic forces and fundamental physics. 

Improved understandings of nuclear fission is key for many areas of science, including heavy element formation in supernova and neutron-star mergers, making safer nuclear reactors, and the formation and properties of long-lived superheavy isotopes. Students involved in this project will further our understanding of fission across the chart of nuclides.

Investigate the properties of exotic nuclei and their impact on fundamental models and creation of the elements when stars explode. 

This project aims to discover if the long-held concept of low-energy nuclear vibrations holds true under scrutiny from Coulomb excitation and nucleon-transfer reactions. 

Some nuclei, like stable ^6,7Li and ⁹Be or radioactive ⁸Li and ⁶He, are weakly-bound, which gives them a cluster structure which can be broken apart with very little input of energy. These nuclei show a huge variety of behaviors which challenge our understanding of nuclear reactions, requiring experimental measurements. 

This project aims to use a machine learning algorithm to perform beam alignment in an optics experiment. It would involve mode-matching two optical beams using motorised mirror mounts. Additional degrees of freedom like lens positions and beam polarisation can be added later.

Develop an active vibraiton isolation platform to provide a quiet, small displacement environment for high precision inteferometry.

This experimental project aims to create entangled states of ultracold helium atoms where the entanglement is between atoms of different mass. By manipulating the entangled pairs using laser induced Bragg transitions and measuring the resulting correlations, we will study how gravity affects mass-entangled particles.

Precise Earth gratitational field measurements with laser-ranging interferometry.

An optical quantum memory will capture a pulse of light, store it and then controllably release it. This has to be done without ever knowing what you have stored, because a measurement will collapse the quantum state. We are exploring a "photon echo" process to achieve this goal.

Multi-parameter state estimation at the fundamental precision limit

Using non-classical light states on laser interferometric gravitational-wave detectors, to further enhance the best length measurement devices in the world.

When two point sources of light are close together, we just see one blurry patch. This project aims to use coherent measurement techniques in quantum optics to measure the separation between the point sources beyond the Rayleigh's limit.

Absolute gravimeters tie their measurement of gravity to the definition of the second 
by interrogating the position of a falling test mass using a laser interferometer. Our vision is to develop and prototype a miniaturised absolute gravimeter by 
leveraging modern vacuum, laser, and micro-electromechanical systems.

This project will construct a 3D optical lattice apparatus for ultracold metastable Helium atoms, which will form an experimental quantum-simulator to investigate quantum many-body physics. A range of experiments will be performed such as studying higher order quantum correlations across the superfluid to Mott insulator phase transition.

Construct a small dual tosion pendulum which have their centre of mass co-incide and their rotational axis colinear. Inital diagnostics will be done using shadow sensors.

Machine learning based on deep neural networks is a powerful method for improving the performance of experiments.  It may also be useful for finding new physics.

Antiparticles and antimatter have progressed from theory and science fiction to become an important and exciting area of pure and applied science. This fundamental atomic physics project will investigate how antimatter and matter interact by experimentally studying the interaction of positrons (the electron anti-particle) with trapped ultracold rubidium atoms.

There are many interesting physical statistical systems which never reach thermal equilibrium. Examples include surface growth, diffusion processes or traffic flow. In the absence of general theory of such systems a study of particular models plays a very important role. Integrable systems provide examples of such systems where one can analyze time dynamics using analytic methods.

The aim of this project is to introduce quantum integrable systems which play a very important role in modern theoretical physics. Such systems provide one of very few ways to analyze nonlinear effects in continuous and discrete quantum systems.

Multi-parameter state estimation at the fundamental precision limit