Daniel Leykam (January 7, 2015)

Transcription

1 Daniel Leykam (January 7, 2015) Contact Information Nonlinear Physics Centre Office: Research School of Physics and Engineering Mobile: The Australian National University Canberra ACT 0200, Australia Education Ph.D. in Physics, The Australian National University 2012 present Thesis: Wave and spectral singularities in photonic lattices Expected completion July 2015 Ph.B. in Physics, The Australian National University Thesis: Discrete multivortex solitons 1st Class Honours & University Medal in Physics Recent Awards & Scholarships Australian Postgraduate Award & ANU Research Supplementary Scholarship 2012 present Group of Eight / Germany Joint Research Cooperation Scheme Grant ($20,000) Project title: Optical vortices in periodic and chiral photonic structures Travel grant to attend Workshop on Spin Orbit Interaction for Light & Matter Waves 2013 ANU University Medal in Physics 2011 ANU National Achievement Scholarship International Collaborations Sergej Flach (Massey University, New Zealand) Flat band lattices & Anderson localization [9,10,12] 2 week visit to Massey University & departmental seminar (August 2013) 2013 present Cornelia Denz (Münster University, Germany) 2011 present Discrete vortices in optically induced lattices [11] & Lieb lattices in silica glass [13] Student exchanges funded by Group of Eight / German Academic Exchange Service Travel Grant 5 visits to Münster & 4 visiting students hosted at ANU Vladimir Konotop (Lisbon University, Portugal) 2012 Discrete vortex solitons in parity time-symmetric waveguide arrays [7] Boris Malomed (Tel Aviv University, Israel) 2012 Composite vortex solitons in waveguide arrays [8] Research Experience Published 12 articles since 2010, including 1 in Physical Review Letters, accumulating over 70 citations; h-index = 6 (Google Scholar) Research topics have included Anderson localization in flat band lattices. Eigenmode & wavepacket statistics. Perturbation theory for weak disorder scaling laws & density of states singularities. Conical intersections in photonic lattices. Pseudospin-mediated optical vortex generation. Design of femtosecond laser-written Lieb lattices in fused silica glass. Theory of spontaneous parametric down-conversion in waveguide arrays with nontrivial topology. Beam propagation in nonlinear media via split step, symplectic methods. Discrete & periodic lattices. Saturable, nonlocal & photorefractive nonlinearities. Soliton profiles & linear stability. Undergraduate research on topics including studying the Earth s inner core with seismic waves, optical trapping of airborne particles, and wakes left by charged particles in plasmas. 1 of 5

2 References Dr. Anton Desyatnikov ( Nonlinear Physics Centre, Research School of Physics and Engineering The Australian National University Prof. Sergej Flach ( Centre for Theoretical Chemistry and Physics, New Zealand Institute for Advanced Study Massey University Teaching Experience Professional activities Research interests Miscellaneous skills Tutor th year electromagnetism (Tutorial delivery, assignment & exam marking) 3rd year theoretical physics (Tutorial delivery & weekly assignment marking) Honours student co-supervision 2014 Referee: Physical Review (Letters, A, E), Optics Express, Optics Letters, Journal of the Optical Society of America B, Optics Communications, Europhysics Letters Member: Optical Society of America, Australian Institute of Physics, SPIE Waves in periodic media: Dirac points & conical intersections, Berry curvature, topological insulators, PT symmetry, flat bands, Anderson localization, emulation of relativistic effects Singular optics: phase & polarization singularities, vortex knots, angular momentum, pseudospin Nonlinear optics: discrete vortex solitons, Bose-Einstein condensates, modulational instability Quantum optics: spontaneous parametric down-conversion, optomechanics, weak values Scientific programming Fluent: Matlab, Mathematica, L A TEX Familiar: Fortran, C, shell scripting Languages English (native) German (conversational) Latin (reading) Ultramarathon Inward Bound 2011 (72km, 1st) Sri Chinmoy Canberra (56km, 5:45) 2 of 5

3 Publications 15. D. Leykam, A. S. Solntsev, A. A. Sukhorukov, & A. S. Desyatnikov How lattice topology affects spontaneous parametric down-conversion in nonlinear waveguide arrays 14. O. Bahat-Treidel, D. Leykam, & A. S. Desyatnikov Optical angular momentum and pseudospin-orbit coupling in photonic graphene 13. F. Diebel, D. Leykam, S. Kroesen, C. Denz, & A. S. Desyatnikov Observation of integer pseudospin conical diffraction in Lieb lattices 12. J. D. Bodyfelt, D. Leykam, C. Danieli, X. Yu, & S. Flach Flat bands under correlated perturbations Physical Review Letters 113, (2014) 11. F. Diebel, D. Leykam, M. Boguslawski, P. Rose, C. Denz, & A. S. Desyatnikov All-optical switching in optically induced nonlinear waveguide couplers Applied Physics Letters 104, (2014) 10. S. Flach, D. Leykam, J. D. Bodyfelt, P. Matthies, & A. S. Desyatnikov Detangling flat bands into Fano lattices Europhysics Letters 105, (2014), Editor s choice 9. D. Leykam, S. Flach, O. Bahat-Treidel, & A. S. Desyatnikov Flat band states: disorder and nonlinearity Physical Review B 88, (2013) 8. D. Leykam, B. Malomed, & A. S. Desyatnikov Composite vortices in nonlinear circular waveguide arrays Journal of Optics 15, (2013) 7. D. Leykam, V. V. Konotop, & A. S. Desyatnikov Discrete vortex solitons and parity time symmetry Optics Letters 38, 371 (2013) 6. D. Leykam & A. S. Desyatnikov Vortex switching with discrete multivortex solitons Physical Review A 86, (2012) 5. D. Leykam, O. Bahat-Treidel, & A. S. Desyatnikov Pseudospin and nonlinear conical diffraction in Lieb lattices Physical Review A 86, (R) (2012) 4. R. L. Dewar & D. Leykam Dressed test particles, oscillation centres and pseudo-orbits Plasma Physics and Controlled Fusion 54, (2012) 3. D. Leykam & A. S. Desyatnikov Discrete multivortex solitons Optics Letters 36, 4806 (2011) 2. V. G. Shvedov, A. V. Rode, Ya. V. Izdebskaya, D. Leykam, A. S. Desyatnikov, W. Krolikowski, & Yu. S. Kivshar Laser speckle field as a multiple particle trap Journal of Optics 12, (2010) 1. D. Leykam, H. Tkalčić, & A. M. Reading Core structure reexamined using new teleseismic data recorded in Antarctica: Evidence for, at most, weak cylindrical seismic anisotropy in the inner core Geophysical Journal International 180, 1329 (2010) 3 of 5

4 Conference Presentations Conference Proceedings 11. D. Leykam, A. A. Solntsev, A. A. Sukhorukov, & A. S. Desyatnikov Effect of lattice topology on spontaneous parametric down-conversion in quadratic nonlinear waveguide arrays 10. D. Leykam, S. Flach, O. Bahat-Treidel, & A. S. Desyatnikov Anderson localization and nonlinearity in flat bands 2nd International Workshop Nonlinear Photonics, Sudak, Ukraine, September D. Leykam, O. Bahat-Treidel, & A. S. Desyatnikov Conical diffraction, pseudospin, and nonlinear wave dynamics in photonic Lieb lattices CLEO/Europe-IQEC, Munich, Germany, May D. Leykam, O. Bahat-Treidel, & A. S. Desyatnikov Nonlinear wave dynamics in photonic Lieb lattices: the role of pseudospin International Workshop on Spin-Orbit Interaction for Light and Matter Waves, Dresden, Germany, April D. Leykam, O. Bahat-Treidel, & A. S. Desyatnikov Nonlinear conical diffraction in photonic Lieb lattices 20th Australian Institute of Physics Congress, Sydney, Australia, December D. Leykam, O. Bahat-Treidel, & A. S. Desyatnikov Pseudospin and nonlinear conical diffraction in photonic lattices Conference on Optics, Atoms and Laser Applications, Brisbane, Australia, December D. Leykam & A. S. Desyatnikov Multivortex solitons and charge flipping in photorefractive media 5th International Conference Singular Optics, Sevastopol, Ukraine, September D. Leykam & A. S. Desyatnikov Discrete multivortex solitons in photonic lattices Conference on Optics, Atoms and Laser Applications, Melbourne, Australia, December D. Leykam & A. S. Desyatnikov Discrete multivortex solitons in waveguide arrays The 10th International Conference on Correlation Optics, Chernivtsi, Ukraine, September D. Leykam & A. S. Desyatnikov Vortex clusters in coupled nonlinear waveguides International Workshop on Nonlinear Photonics, Kharkov, Ukraine, September D. Leykam, R. L. Dewar & M. Hole Wake field of a supersonic particle in a plasma Gaseous Electronics Meeting, Murramarang, Australia, February D. Leykam, A. A. Solntsev, A. A. Sukhorukov, & A. S. Desyatnikov Effect of lattice topology on spontaneous parametric down-conversion in quadratic nonlinear waveguide arrays 8. F. Diebel, D. Leykam, S. Kroesen, C. Denz, & A. S. Desyatnikov Observation of pseudospin 1 conical diffraction in a photonic Lieb lattice 7. F. Diebel, D. Leykam, S. Kroesen, C. Denz, & A. S. Desyatnikov Observation of Conical Diffraction in Photonic Lieb Lattices Advanced Photonics, OSA Technical Digest (Optical Society of America, 2014), NW3A.1 6. F. Diebel, D. Leykam, M. Boguslawski, P. Rose, C. Denz, & A. S. Desyatnikov Nonlinear All-optical Vortex Switch in Optically Induced Two-dimensional Waveguide Arrays Advanced Photonics, OSA Technical Digest (Optical Society of America, 2014), JM5A.44 4 of 5

5 5. F. Diebel, D. Leykam, M. Boguslawski, P. Rose, C. Denz, & A. S. Desyatnikov Nonlinear switching in optically induced waveguide arrays XXII International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling (2014), paper O D. Leykam & A. S. Desyatnikov Optical vortices in circular waveguide arrays Proceedings of the Tenth Rochester Conference on Coherence and Quantum Optics, Eds. N. P. Bigelow, J. H. Eberly, and C. R. Stroud, pp (2014) 3. D. Leykam, S. Flach, O. Bahat-Treidel, & A. S. Desyatnikov Anderson localization and nonlinearity in flat bands Proceedings of the 2nd International Workshop Nonlinear Photonics, article D. Leykam, O. Bahat-Treidel, & A. S. Desyatnikov Nonlinear Conical Diffraction in Photonic Lieb Lattices Proceedings of the 20th Australian Institute of Physics Congress, Non-linear Optics 2 (2012) 1. D. Leykam & A. S. Desyatnikov Vortex clusters in coupled nonlinear waveguides International Workshop Nonlinear Photonics (NLP*2011), DOI: /NLP , 5 of 5