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Atomic and Molecular Physics

Optical quantum memory

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.

Dr Ben Buchler

Biophysics

Gas sensing of carbon dioxide

This project has a strong industrial link, and investigates using resonator optics to enhance the measurement sensitivity of the molecular absorption of light.

Dr Jong Chow, Dr Timothy Lam, Mr Jarrod Dong

Photonic bandages

In collaboration with Dr. Steve Lee from CECS, this project uses low coherence interference signals in an optical coherence tomography system for 3D imaging of porous materials.  The aim is to implant these materials for in vivo monitoring of the healing process of a wound.

Dr Jong Chow, Dr Roland Fleddermann

Clean Energy

Chaotic energy harvesters

Energy harvesting systems based on piezoelectric conversion have the ability to transform vibrational energy from the environment into electricity. The goal of this project is to investigate how nonlinear effects and chaos can improve the performance of a harvesting system.

Dr Andre Carvalho

Engineering in Physics

Photonic musical instruments

This project aims to use optical fibre interferometers as photonic microphones to record and analyse the acoustic behaviour and quality of musical instruments.

Dr Jong Chow, Professor John Close, Dr Roland Fleddermann

An optical ruler across a fibre optic network

This project uses an optical frequency comb referenced to an atomic clock as an ultra-precise frequency standard and ruler for a range of applications, including gravitational wave detection, gravimetry and high resolution spectroscopy.

Dr Jong Chow, Dr Bram Slagmolen, Dr Timothy Lam, Mr Jarrod Dong

Fibre optic sensing arrays

This project has a strong industry focus and investigates using an array of fibre optic interferometers for acoustic sensing.  It relies on the ultra-sensitivity of these devices and the array's ability to triangulate the source of an acoustic signal to target a range of applications.

Dr Jong Chow, Dr Timothy Lam

Vibration control for optical interferometry

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

Dr Bram Slagmolen, Professor David McClelland

Generation of random numbers from vacuum fluctuations

Aim to generate random numbers by performing a homodyne measurement of the quantum vacuum state.

Mr Syed Assad, Professor Ping Koy Lam, Dr Thomas Symul

Chaotic energy harvesters

Energy harvesting systems based on piezoelectric conversion have the ability to transform vibrational energy from the environment into electricity. The goal of this project is to investigate how nonlinear effects and chaos can improve the performance of a harvesting system.

Dr Andre Carvalho

Photonics, Lasers and Nonlinear Optics

Development of Squeezed Laser Sources for Quantum Communication

Student will build and characterise a new source of quantum squeezed light genearted from an optical parametric oscillator

Professor Ping Koy Lam, Dr Ben Buchler

Coherently combined laser systems for space technologies and free space optical communications

Recent advances in laser technology now enable the combination of multiple high-quality lasers into a single high-power beam. The aim of this project is to investigate such `coherently-combined' laser systems within the context of Earth-to-Space laser transmission. Applications of this technology include satellite laser ranging, clock transfer and free-space optical communications, and space debris tracking and remote manouevring.

Dr Robert Ward, Professor Daniel Shaddock, Mr Lyle Roberts

Photonic musical instruments

This project aims to use optical fibre interferometers as photonic microphones to record and analyse the acoustic behaviour and quality of musical instruments.

Dr Jong Chow, Professor John Close, Dr Roland Fleddermann

Quantum squeezed states for interferometric gravitational-wave detectors

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

Professor David McClelland, Professor Daniel Shaddock, Dr Bram Slagmolen

Second Harmonic Generation for Quantum Optics Applications

Student will develop a source of laser light at 775nm that will be utilised for pumping of squeezing cavities  

Professor Ping Koy Lam, Dr Ben Buchler

An optical ruler across a fibre optic network

This project uses an optical frequency comb referenced to an atomic clock as an ultra-precise frequency standard and ruler for a range of applications, including gravitational wave detection, gravimetry and high resolution spectroscopy.

Dr Jong Chow, Dr Bram Slagmolen, Dr Timothy Lam, Mr Jarrod Dong

Fibre optic sensing arrays

This project has a strong industry focus and investigates using an array of fibre optic interferometers for acoustic sensing.  It relies on the ultra-sensitivity of these devices and the array's ability to triangulate the source of an acoustic signal to target a range of applications.

Dr Jong Chow, Dr Timothy Lam

Machine learning for optics and controls

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 optical cavities.  

Dr Robert Ward, Dr Paul Altin, Professor Daniel Shaddock

Gas sensing of carbon dioxide

This project has a strong industrial link, and investigates using resonator optics to enhance the measurement sensitivity of the molecular absorption of light.

Dr Jong Chow, Dr Timothy Lam, Mr Jarrod Dong

Whispering Gallery Mode Resonators for Ultra-Sensitive Magnetometry

This projects aims to construct an ultra-sensitive magnetic field sensor from a whispering gallery mode crystal resonator.

Professor Ping Koy Lam

Probabilistic quantum cloning with noiseless linear amplifier

Student will use electro-optic feedforward techniques to implement noiseless linear amplification of information carrying laser light

Professor Ping Koy Lam, Dr Thomas Symul

Photonic bandages

In collaboration with Dr. Steve Lee from CECS, this project uses low coherence interference signals in an optical coherence tomography system for 3D imaging of porous materials.  The aim is to implant these materials for in vivo monitoring of the healing process of a wound.

Dr Jong Chow, Dr Roland Fleddermann

Physics Education

Physics education

Investigate how people learn physics. Develop simulation software for learning. Projects in physics education suit people with interests in: teaching, software development, statistical analysis, or psychology.

Professor Craig Savage

Quantum Devices and Technology

Development of Squeezed Laser Sources for Quantum Communication

Student will build and characterise a new source of quantum squeezed light genearted from an optical parametric oscillator

Professor Ping Koy Lam, Dr Ben Buchler

Second Harmonic Generation for Quantum Optics Applications

Student will develop a source of laser light at 775nm that will be utilised for pumping of squeezing cavities  

Professor Ping Koy Lam, Dr Ben Buchler

Dual torsion pendulum for quantum noise limited sensing

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.

Dr Bram Slagmolen, Professor David McClelland

Source-independent quantum random number generator

We aim to generate random numbers by performing orthogonal quadrature homodyne measurements without actually knowing or trusting the quantum state that we are measuring.

Mr Syed Assad, Professor Ping Koy Lam, Dr Jing-Yan Haw

Optical quantum memory

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.

Dr Ben Buchler

Laser levitation of a macroscopic mirror

This project aims to be the first in the world to use the radiation pressure forces of laser beams to coherently levitate a macroscopic mirror. Applications of this scheme include precision metrology and test of new physics theories.

Professor Ping Koy Lam, Dr Ben Buchler

Whispering Gallery Mode Resonators for Ultra-Sensitive Magnetometry

This projects aims to construct an ultra-sensitive magnetic field sensor from a whispering gallery mode crystal resonator.

Professor Ping Koy Lam

Probabilistic quantum cloning with noiseless linear amplifier

Student will use electro-optic feedforward techniques to implement noiseless linear amplification of information carrying laser light

Professor Ping Koy Lam, Dr Thomas Symul

Quantum Science and Applications

Fundamental physics

Fundamental quantum and gravitational physics are being addressed both theoretically and experimentally at ANU. Two questions are: is gravity classical, and what is the correct description of quantum measurement.

Professor Craig Savage

Two-parameter estimation with Gaussian state probes

How well we can estimate the position and momentum of a Gaussian probe?

Mr Syed Assad

Quantum squeezed states for interferometric gravitational-wave detectors

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

Professor David McClelland, Professor Daniel Shaddock, Dr Bram Slagmolen

Controlling chaos: from semiclassical to quantum

Classically chaotic systems display an unpredictability associated with small variations in the initial conditions. However, strategies exist to steer chaotic trajectories towards stable fixed points. This project will investigate if similar strategies can be used to control chaos in the quantum regime. 

Dr Andre Carvalho

Dual torsion pendulum for quantum noise limited sensing

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.

Dr Bram Slagmolen, Professor David McClelland

Vibration control for optical interferometry

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

Dr Bram Slagmolen, Professor David McClelland

Coherent feedback control in quantum systems

This project aims at analysing and designing coherent quantum feedback schemes to control the quantum state of circuit quantum electrodynamics and optomechanical systems.

Dr Andre Carvalho

Source-independent quantum random number generator

We aim to generate random numbers by performing orthogonal quadrature homodyne measurements without actually knowing or trusting the quantum state that we are measuring.

Mr Syed Assad, Professor Ping Koy Lam, Dr Jing-Yan Haw

Generation of random numbers from vacuum fluctuations

Aim to generate random numbers by performing a homodyne measurement of the quantum vacuum state.

Mr Syed Assad, Professor Ping Koy Lam, Dr Thomas Symul

Laser levitation of a macroscopic mirror

This project aims to be the first in the world to use the radiation pressure forces of laser beams to coherently levitate a macroscopic mirror. Applications of this scheme include precision metrology and test of new physics theories.

Professor Ping Koy Lam, Dr Ben Buchler

Theoretical Physics

Fundamental physics

Fundamental quantum and gravitational physics are being addressed both theoretically and experimentally at ANU. Two questions are: is gravity classical, and what is the correct description of quantum measurement.

Professor Craig Savage

Updated:  15 June 2016/ Responsible Officer:  Head of Department/ Page Contact:  Physics Webmaster