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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

Space based quantum limited accelerometers for satellite control

The aim of this project is to design, construct and test a space based quantum accelerometer for satellite navigation.

Professor John Close

Quantum limited magnetometry

Develop  new techniques to enhance vapor cell quantum magnetometry.

Professor John Close

Atomic magnetometer for exploring physics beyond the standard model

The Global Network of Optical Magnetometers for Exotic Physics (GNOME) uses precision atomic magnetometers to look new physics.  The concept is to have a global network of magnetometers looking for correlated magnetic field fluctuations that may be caused by strange, and unknown physics.

Dr Ben Buchler, Dr Geoff Campbell

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

Engineering in Physics

Fibre laser technology for quantum systems

This project utilises a state of the art glass workstation to manufacture all fibre laser systems for use in quantum sensing and quantum optics experiments.

Dr Nicholas Robins, Dr Samuel Legge

Frequency distribution over fibre for next generation Gravitational Wave Detectors

We will investigate the possibility to distribute a phase reference over a 100m long optical fibre with a stability of hundreds of nanoradians. If succesfull this solution will be part of a selection process for implementation into the LIGO observatories.

Dr Bram Slagmolen, Professor David McClelland, Dr David Gozzard

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

Wave dispersion in stringed instruments: What makes tuning a piano so hard?

Ideal strings have wave speeds that are identical for all frequencies.  In real life, strings have some stiffness that makes higher frequency waves are faster.  This means building and tuning some stringed instruments, like pianos, is very tricky. This project aims to accurately measure wave speeds on piano strings.

Dr Ben Buchler

Generation of random numbers from vacuum fluctuations

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

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

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

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, Dr Robert Ward

Development of an advanced 3D volumetric imaging system

This project develops a 3D volumetric imaging system to generate three dimensional images of translucent materials. The project’s goal is to extend and augment the capabilities of existing optical projection tomography systems to address a wider spectrum of imaging needs.

Dr Roland Fleddermann, Dr Jong Chow

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

Materials Science and Engineering

Wave dispersion in stringed instruments: What makes tuning a piano so hard?

Ideal strings have wave speeds that are identical for all frequencies.  In real life, strings have some stiffness that makes higher frequency waves are faster.  This means building and tuning some stringed instruments, like pianos, is very tricky. This project aims to accurately measure wave speeds on piano strings.

Dr Ben Buchler

Photonics, Lasers and Nonlinear Optics

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

Bayesian estimation of min-entropy

In order to build a random number generator, we need to estimate the amount of randomness it has. Our aim to estimate the min-entropy of a finite sample of data using the Bayesian and Frequencist estimators.

Dr Syed Assad, Professor Ping Koy 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

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

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

An atom trap in the vacuum of space

The aim of this project is to design, construct and test an atom trap that exploits the vacuum of space to reduce size, weight and power of standard technology and make it more suitable for space deployment.

Professor John Close

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 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

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, Dr Lyle Roberts

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

Development of an advanced 3D volumetric imaging system

This project develops a 3D volumetric imaging system to generate three dimensional images of translucent materials. The project’s goal is to extend and augment the capabilities of existing optical projection tomography systems to address a wider spectrum of imaging needs.

Dr Roland Fleddermann, Dr Jong Chow

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

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

Quantum Devices and Technology

Fibre laser technology for quantum systems

This project utilises a state of the art glass workstation to manufacture all fibre laser systems for use in quantum sensing and quantum optics experiments.

Dr Nicholas Robins, Dr Samuel Legge

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.

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

Quantum sensing with ultra-cold atoms

This project utilises a state-of-the-art multifield quantum sensor to develop new techniques and technologies for future high precision measurement devices.

Dr Nicholas Robins, Dr Christian Freier, Dr Kyle Hardman

Microfabricated quantum gravimeters

In this project, we will design, construct and test a microfabcircated free-fall, gravimeter.

Professor John Close

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

Space based quantum limited accelerometers for satellite control

The aim of this project is to design, construct and test a space based quantum accelerometer for satellite navigation.

Professor John Close

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

Frequency distribution over fibre for next generation Gravitational Wave Detectors

We will investigate the possibility to distribute a phase reference over a 100m long optical fibre with a stability of hundreds of nanoradians. If succesfull this solution will be part of a selection process for implementation into the LIGO observatories.

Dr Bram Slagmolen, Professor David McClelland, Dr David Gozzard

The gravitational and magnetic mapping of archeological sites, volcanoes, mineral and ore deposits, and aquifers

This is a project in mathemtics and computational physics aimed at desiging efficient strategies to solve inverse problems and map volcanoes, archeological sites aquifers, mineral deposits and other structures.

Professor John Close

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

Quantum Wavelets

In this project, we represent an expanding quantum wavepacket in a wavelet basis and use the representation to analyse new data from a state of the art quantum gravity sensor.

Professor John Close, Dr Stuart Szigeti

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 atom trap in the vacuum of space

The aim of this project is to design, construct and test an atom trap that exploits the vacuum of space to reduce size, weight and power of standard technology and make it more suitable for space deployment.

Professor John Close

Nonlinear phenomena with matter-wave Solitons

This project aims to study matter-wave soliton interactions and propagation - including tunnelling, collisions and interferometry.

Dr Nicholas Robins

Beam matching using machine learning

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.

Dr Syed Assad, Mr Aaron Tranter, Mr Harry Slatyer

Quantum Squeezing Atomic Ensembles

The aim of this project is to explore theoretically the application of quantum squeezing to a variety of quantum sensors and to incorporate optimal quantum squeezing into the design quantum gravimeters and quantum magnetometers.

Professor John Close, Dr Stuart Szigeti

Quantum limited magnetometry

Develop  new techniques to enhance vapor cell quantum magnetometry.

Professor John Close

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, Dr Robert Ward

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

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

Bayesian estimation of min-entropy

In order to build a random number generator, we need to estimate the amount of randomness it has. Our aim to estimate the min-entropy of a finite sample of data using the Bayesian and Frequencist estimators.

Dr Syed Assad, Professor Ping Koy Lam

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.

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

Quantum sensing with ultra-cold atoms

This project utilises a state-of-the-art multifield quantum sensor to develop new techniques and technologies for future high precision measurement devices.

Dr Nicholas Robins, Dr Christian Freier, Dr Kyle Hardman

Microfabricated quantum gravimeters

In this project, we will design, construct and test a microfabcircated free-fall, gravimeter.

Professor John Close

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

The gravitational and magnetic mapping of archeological sites, volcanoes, mineral and ore deposits, and aquifers

This is a project in mathemtics and computational physics aimed at desiging efficient strategies to solve inverse problems and map volcanoes, archeological sites aquifers, mineral deposits and other structures.

Professor John Close

Nonlinear phenomena with matter-wave Solitons

This project aims to study matter-wave soliton interactions and propagation - including tunnelling, collisions and interferometry.

Dr Nicholas Robins

Quantum super resolution

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.

Dr Syed Assad, Professor Ping Koy Lam

Low-energy tests of the signatures of quantum gravity

This project will investigate the potential of various experimental platforms to search for effects of quantum gravity.

Dr Simon Haine

Two-parameter estimation with Gaussian state probes

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

Dr Syed Assad, Mr Mark Bradshaw

Generation of random numbers from vacuum fluctuations

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

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

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, Dr Robert Ward

Atomic magnetometer for exploring physics beyond the standard model

The Global Network of Optical Magnetometers for Exotic Physics (GNOME) uses precision atomic magnetometers to look new physics.  The concept is to have a global network of magnetometers looking for correlated magnetic field fluctuations that may be caused by strange, and unknown physics.

Dr Ben Buchler, Dr Geoff Campbell

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, Dr Robert Ward

Quantum coherence and metrology

A quantum state has "coherence" if it is in a superposition of some classical states. In some way, coherence measures the quantumness of that state. We aim to study the coherence of simple systems and also establish a relationship between coherence and quantum metrology.

Dr Syed Assad, Professor Ping Koy Lam

Theoretical Physics

Quantum Wavelets

In this project, we represent an expanding quantum wavepacket in a wavelet basis and use the representation to analyse new data from a state of the art quantum gravity sensor.

Professor John Close, Dr Stuart Szigeti

Quantum Squeezing Atomic Ensembles

The aim of this project is to explore theoretically the application of quantum squeezing to a variety of quantum sensors and to incorporate optimal quantum squeezing into the design quantum gravimeters and quantum magnetometers.

Professor John Close, Dr Stuart Szigeti

Low-energy tests of the signatures of quantum gravity

This project will investigate the potential of various experimental platforms to search for effects of quantum gravity.

Dr Simon Haine

Quantum coherence and metrology

A quantum state has "coherence" if it is in a superposition of some classical states. In some way, coherence measures the quantumness of that state. We aim to study the coherence of simple systems and also establish a relationship between coherence and quantum metrology.

Dr Syed Assad, Professor Ping Koy Lam

Updated:  17 August 2017/ Responsible Officer:  Head of Department/ Page Contact:  Physics Webmaster