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X-WR-CALDESC:Events for Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
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DTSTART:20220101T000000
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DTSTART;VALUE=DATE:20231113
DTEND;VALUE=DATE:20231114
DTSTAMP:20260513T083037
CREATED:20231107T023553Z
LAST-MODIFIED:20250114T080412Z
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SUMMARY:Introduction to the world of optical solitary waves in ultrafast lasers
DESCRIPTION:On the occasion of the 50th anniversary of the prediction of optical solitons\, I feel instructive to revisit the connections between ultrafast laser dynamics and solitary waves through a few milestones. The concepts of conventional (Hamiltonian) and dissipative solitons have been found to echo\, oppose\, or complement each other in the understanding of original dynamical regimes and related optical waveforms – such as bright solitons in normally-dispersive laser cavities\, self-assembled soliton molecules\, and pulsating solitons. Nevertheless\, both concepts remain indispensable in the culture of laser scientists\, as they are actually intertwined in numerous physical situations\, and sustain a remarkable creativity in our scientific field. \nBiography of the speaker: \nPhilippe Grelu received the Ph.D. degree in quantum optics from the University Paris-Saclay in 1996. Following a postdoctoral position at University of Bordeaux\, France\, his interests moved to ultrafast nonlinear optics and femtosecond lasers. He joined the University of Burgundy in 1997 as an Associate Professor\, where he initiated ultrafast fiber laser research and became Full Professor in 2005. He developed a key expertise in nonlinear optical cavity dynamics\, with major contributions in the fast-developing field of dissipative optical solitons. He introduced the use of artificial intelligence\, with genetic algorithms\, to pilot ultrafast fiber lasers. He edited a monograph on Nonlinear Optical Cavity Dynamics in 2016 (Wiley) and is author or coauthor of above 250 scientific articles\, proceedings\, and book chapters.
URL:https://ece.hku.hk/events/introduction-to-the-world-of-optical-solitary-waves-in-ultrafast-lasers/
CATEGORIES:Seminar
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