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John Dudley

Prof. John  Dudley

Professor
Univ de Franche-Comté

Optiques/Institut Femto-ST UFR Sciences
16 rte de Gray

Besançon Cedex  25030
France

tel: +33 3 81 66 64 94
fax: +33 3 81 66 64 23
E-mail: john.dudley@univ-fcomte.fr

Biography

John Dudley is a Professor of Physics working at the CNRS Research Institute FEMTO-ST in Besancon, France. He received his PhD in New Zealand, and worked in Scotland and New Zealand before his appointment as Professor in France in 2000. His research covers broad areas of optical science and he has published over 500 contributions in journals & conference proceedings, and delivered over 120 invited talks at major conferences. He regularly speaks on topics including: his own research; current research trends in photonics; extreme events in nature; public outreach & education; career development. He has won numerous awards and fellowships, including the Médaille d'Argent of the national French research agency CNRS, the SPIE President's Award and the Hopkins Leadership Award of the Optical Society OSA. He served as the President of the European Physical Society for a two year term from April 2013-March 2015. In 2009, he initiated the International Year of Light & Light-based Technologies 2015 and, as chair of its Steering Committee, guided an international programme of activities in more than 140 countries.

Lecture Title(s)

Best Practice Photonics: building and sustaining a technical research career
A successful career in scientific research requires skills in multiple areas: from the technical side of basic science, to writing and communication, to the management skills associated with leading a large project. When starting out, the breadth of all this required expertise can seem daunting, but the aim of this presentation will be to try to provide simple and practical advice to help early-career researchers to build and enjoy a long term career in photonics. Topics to be covered will include: the structure of an academic career; networking; the role of professional societies; ethical issues etc.

Nonlinear Fiber Optics: New Fibers - New Opportunities
Research in nonlinear fiber optics is currently undergoing dramatic expansion, motivated both by advances and developments in new classes of optical fiber, and the availability of sophisticated numerical modelling techniques. This work will present a survey of selected recent work, covering topics such as supercontinuum generation, self-similar evolution of optical pulses in optical fiber amplifiers, pulse compression, frequency conversion and regeneration. Particular focus will address the current state of nonlinear optics in photonic crystal fibre, identifying some of the most important and interesting recent developments in the field. We also discuss several emerging research directions and point out links with other areas of physics that are now becoming apparent.

Advances in Nonlinear Ultrafast Photonics and Applications
This talk will review a broad range of topics in ultrafast photonics. Amongst the topics covered include: nonlinear fibre optics and supercontinuum generation; optical self-similarity and applications; ultrafast source development; ultrafast pulse measurement techniques; novel pulse compression technologies; nonlinear dynamics and physical layer security using chaos; integrated optics approach to quantum key distribution; optoelectronic oscillators; femtosecond pulse machining at the nanometric scale.

Rogue Waves and New Nonlinear Structures:what optics is doing for the science of nonlinear waves
A central challenge in understanding extreme events is to develop rigorous models linking the complex generation dynamics and the associated statistical behavior. A particular case of interest concerns the infamous oceanic rogue waves associated with many catastrophic maritime disasters. Studying rogue waves under controlled conditions is problematic to say the least, and the phenomenon remains a subject of intensive research. On the other hand, there are many qualitative and quantitative links between wave propagation in optics and in hydrodynamics, and it is thus natural to consider how insights from studying instability phenomena in optics can be applied to other systems. The field of optical rogue wave physics began in 2007 and has since become a major international research effort involving many international groups and consortia. This talk will review the current state of the art in this field and present recent results of both theory and experiments. The talk will be general in nature and appropriate introduction to the wider area of nonlinear dynamics and ocean rogue waves will be provided.

1000 Years of Optics, 50 Years of Solitons
The International Year of Light which has recently concluded celebrated the many ways in which photonics technologies can impact on our daily lives. As well as representing a number of key milestones in the history of science dating back at least 1000 years, the year 2015 also saw 50 years since the first discovery of the optical soliton, a discovery that opened up a new field of nonlinear optics which has had dramatic impact on many areas of science and technology. This talk will discuss some unappreciated aspects of research in nonlinear optics and soliton science, from its first historical development, to the birth of optical fibre communications, the development of femtosecond lasers and the latest research in the field today using ultrafast real time measurements to provide new insights into the emergence of extreme waves on the ocean. The talk will be suitable for a general audience.

Nonlinear Physics made Practical : Canals, Continua and Pasteur's Quadrant
There is currently intense international debate concerning optimal ways to manage interactions between fundamental and applied research. However, although there is sometimes a tendency to view this as a modern problem, the same issues have occurred frequently during the history of scientific development. This talk will review a particular example from nonlinear physics, discussing some unappreciated aspects of research in nonlinear soliton physics, spanning the 19th century laying of the transatlantic cable, the Manhattan Project, the 2005 and 2009 Nobel Prizes in physics, and current research into fields such as precision spectroscopy and the rediscovered field of optical hydrodynamics. The talk will be both technical and historical in nature.

Other Lecture Topic: on request, I can also deliver a more public general lecture related to the role of science in modern society and the need for increased scepticism in battling the rise of pseudoscientific beliefs. With suitable local assistance, I can carry out a practical demonstration of the the supposedly-mystical effect of Firewalking which can in fact be performed safely provided the principles of physics are understood and respected.

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Hillenkamp 2017


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