Photonics, Lasers and Nonlinear Optics
Laser processing is a cutting-edge technique designed for to clean, texture, enhance surfaces in a way not possible with any other method. It is a non-contact process, which does not require the use of chemicals or abrasives, thus eliminating problems of chemical toxicity and corrosive residues.
Dr Ludovic Rapp, Professor Andrei Rode
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 construct an experiment that measures oscillation amplitude decays of mechanical systems for determining key properties of optical coatings.
Dr Johannes Eichholz
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.
Professor Hoe Tan, Professor Chennupati Jagadish AC
This project combines theoretical and experimental research on exciton polaritons in semiconductor microcavities. We investigate emergent quantum phenomena far from equilibrium and their applications for next-generation optoelectronics devices.
Prof Elena Ostrovskaya, Professor Andrew Truscott
Antennas are at the heart of modern radio and microwave frequency communications technologies. They are the front-ends in satellites, cell-phones, laptops and other devices that make communication by sending and receiving radio waves. This project aims to design analog of optical nanoantennas for visible light for advanced optical communiction.
Prof Dragomir Neshev, Dr Andrey Miroshnichenko
Gravitational wave detectors have reached the thermodynamic limit of optical coating performance and require novel coating materials and coating noise suppression techniques for further sensitivity improvements. This project is to design a high-bandwidth feedback control system to stabilise the intensity and frequency of a 2µm-band laser for investigations of thermal noise in experimental mirror coatings.
Dr Johannes Eichholz
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.
Professor Chennupati Jagadish AC, Professor Hoe Tan
Using an atomic clock and an optical frequency comb as diagnostics, this project investigates laser stabilisation using an optical fibre interferometer for field deployable applications such as in space-based instruments.
Prof Jong Chow, Dr Chathura Bandutunga
This project goal is to investigate, theoretically and experimentally, photonic systems with synthetic dimensionality exceeding the three spatial dimensions, and reveal new opportunities for applications in optical signal switching and sensing in classical and quantum photonics.
Prof Andrey Sukhorukov, Dr Jihua Zhang
Development of efficient, versatile and fast laser femtosecond processes for advanced applications in modern dentistry promising a precise pain-free dental treatment for all patients.
Dr Ludovic Rapp
This project will address the recently emerged new platform for nanophotonics based on high-index dielectric nanoparticles that opened a whole new realm of all-dielectric Mie-resonant nanophotonics or Mie-tronics. High-index dielectric nanoparticles exhibit strong interaction with light due to the excitation of electric and magnetic dipolar Mie-type resonances.
Professor Yuri Kivshar, Dr Sergey Kruk, Mr Kirill Koshelev
Laser Cleaning is a cutting-edge technique designed for removal of contamination layers from solid surfaces by irradiating the surface with a laser beam. It is a non-contact process, which does not require the use of chemicals or abrasives, eliminating problems of chemical toxicity, corrosive residues, and erasure of surface structure.
Dr Ludovic Rapp
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.
Professor Lan Fu, Dr Ziyuan Li, Professor Hoe Tan
This project aims for developing polarization optical devices based on all-dielectric metasurfaces. As no bulky optical elements and moving parts are required, these devices are compact, stable, and can operate in a single-shot mode with high time resolution. Potential applications include sensitive biological imaging and quantum state manipulation and tomography.
Dr Jihua Zhang, Prof Andrey Sukhorukov
Recent advances in laser technology now enable the combination of multiple high-quality lasers into a single high-power beam. This project aims to investigate such `coherently-combined' laser systems within the context of Earth-to-Space laser transmission. Applications of this technology include space debris tracking, free-space optical communications, and propulsion of light-sails for interstellar travel.
Dr Chathura Bandutunga , Mr Paul Sibley, Prof Jong Chow
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 investigates the behaviour of higher order spatial laser modes in optical resonators for measuring coating thermal noise directly.
Dr Johannes Eichholz
This project will address significant problems of feasibility and tunability of novel photonic metadevices aiming to open novel possibilities for a control of light flows topologically protected against scattering losses, energy leaking, or imperfections.
Professor Yuri Kivshar, Dr Sergey Kruk
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.
Dr Johannes Eichholz
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.
Professor Lan Fu, Mr Yi Zhu, Professor Chennupati Jagadish AC
This project combines theoretical and experimental research on novel approaches to control propagation of light in nonreciprocal ways, similar to ways we control directions of electric currents with semiconductor diodes and transistors. We aim to achieve a radical miniaturisation of nonreciprocal photonics to the nanoscale.
Dr Sergey Kruk
The goal of the project is to understand new physical phenomena arising from quantum and nonlinear optical integration. In the future this research may open doors to new types of computers and simulators with information capacity exceeding the number of elementary particles in the entire universe.
Prof Andrey Sukhorukov, Mr Jinyong Ma, Dr Jihua Zhang, Prof Dragomir Neshev
Experimental and theoretical work on the development of novel nanostructured materials with unusual optical properties. Special attention to our research is the development of tunable and functional nanostructured metamaterials that interact strongly with light. Such materials underpin novel optical technologies ranging from wearable sensors to night-vision devices.
Prof Dragomir Neshev, Dr Andrei Komar, Dr Mohsen Rahmani
This project aims to be the first in the world to use radiation pressure force of laser beams to levitate a macroscopic mirror. The coherence of this resonantly amplified scheme creates a unique opto-mechanical environment for precision quantum metrology and tests of new physics theories.
Dr Giovanni Guccione, Professor Ping Koy Lam
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.
Dr Bram Slagmolen
Metasurface can the generation and manipulation of polarization-entangled photon pairs at the nanoscale.
Prof Andrey Sukhorukov