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  Students Projects with the Nonlinear Physics Centre
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Recent papers
Sci. Reports 5, 9574-5 (10 apr 2015)
JETP Lett. 100, 831-836 (22 Oct 2014)
Phys. Rev. B 90, (Oct 2014)
Rev. Mod. Phys. 86, 1093-1123 (12 Sep 2014)
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 372, 20140010--20140010 (Sep 2014)
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CUDOS
Student scholarships available
Do your Honours or PhD with the Centre for Ultrahigh- bandwidth Devices for Optical Systems
PHOTONICS

Spatial Optical Solitons: Guiding Light for the Future Technologies

Spatial solitons may provide a powerful means for creating reconfigurable all-optical circuits where light is guided and controlled by light itself. This project is devoted to the theoretical study of basic properties of spatial optical solitons and their applications for future light guiding light technologies. This theoretical project compliment the experimental one offered by Dr. Wieslaw Krolikowski and reflects the close links between the theory and experiment at the School.
See also our research page on spatial solitons.
Contacts: Prof. Yuri Kivshar and Dr. Dragomir Neshev.

Linear and Nonlinear Photonic Crystals

Photonic crystals (also called band-gap materials), an analog of semiconductors for light waves, are materials in which propagation of photons with certain wavelength is forbidden. These artificial new-engineering materials provide novel and unique ways of controlling many aspects of electromagnetic radiation. This project will involve the study of transmission properties of waveguides and waveguide bends created in photonic crystals.
See also our research page on photonic crystals.
Contacts: Prof. Yuri Kivshar and Dr. Sergei Mingaleev.
BIOPHYSICS

Nonlinear Models of Biophysics

Many properties the biological objects demonstrate in Nature and laboratory are associated with their self-organized behaviour and complex structure and are driven by the dynamics of long-lived nonlinear excitations. For example, the conformational flexibility and folding of biopolymers can be understood as the manifestation of the nonlinearity-induced buckling and collapse instability, and it can be demonstrated with the help of a simple nonlinear model. This project aims to suggest and study some nonlinear models of the conformational dynamics and energy transfer in biopolymers and macromolecules based on the concept of long-lived nonlinear excitations and their dynamics.
Contacts: Dr. Sergei Mingaleev and Prof. Yuri Kivshar.
THEORETICAL PHYSICS

Nonlinear Physics of Complex Systems

The new millennium takes us into the world of complexity where simple objects interact to create new phenomena and assemble themselves into more complex structures demonstrating collective behaviour. The project will study various manifestation of coherence, self-organization, collective phenomena, and nonlinear localized modes in novel optical materials and matter waves in order to provide the foundation upon which to build complex systems with required properties.
Contact: Prof. Yuri Kivshar.
ATOM OPTICS AND MANIPULATION

Bose-Einstein Condensation and Nonlinear Matter Waves

Nearly 75 years ago, Bose and Einstein introduced the idea of condensate of a dilute gas at temperatures close to absolute zero. The Bose-Einstein condensate (BEC) is a state of matter in which a macroscopic number of particles share the same quantum state; it was experimentally created in 1995 by the JILA group, and already got a recognition by two Nobel Prizes awarded in this field (for the laser cooling technique, in 1997, and for the BEC creation, in 2001). BEC constitutes an example of the coherent matter waves in which topological defects with a circulating persistent current can be generated and observed. The study of coherent structures and vortices in atomic and atomic-molecular BEC will be the subject of this project that promises a deeper understanding of possible links between the physics of superfluidity, condensation, and nonlinear optics.
See also our research page on Bose-Einstein Condensates.
Contacts: Dr. Elena Ostrovskaya and Prof. Yuri Kivshar.
NANOSCIENCE AND NANOTECHNOLOGY

Photonic Crystals, Circuits, and Waveguides

Photonic crystals are new-engineering materials that provide novel and unique ways of controlling many aspects of electromagnetic radiation that is guided due to the Bragg reflection from the periodic structure. This project will involve the theoretical analysis of different types of 2D and 3D photonic-crystal structures, waveguides, waveguide bends, and waveguide circuits. In particular, the project will study transmission of waveguides and waveguide bends created in photonic crystals. Some collaboration with experimental groups producing real photonic crystal structures in Australia and overseas is expected.
See also our
research page on photonic crystals.
Contacts: Prof. Yuri Kivshar and Dr. Sergei Mingaleev.
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