Febrero 5, 2025
10:00
Dissipative solitons and frequency combs in microresonators with second-order nonlinearity
Where and when
Date
Febrero 5, 2025
10:00
Location
University of Valencia Science Park Seminar Room SS6
Featured speakers
Dmitry Skryabin
Professor of Physics at the University of Bath, UK
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Dmitry Skryabin is a professor of Physics at the University of Bath, UK. His research focuses on the physics of ultrashort pulses, solitons, multi-mode and broadband frequency conversion in nonlinear photonic devices. Dmitry received his PhD in Physics at the University of Strathclyde in Scotland, where he then stayed as a Royal Society Research fellow. In 2001, he joined the faculty staff at the University of Bath, where he has worked since. Dmitry receives the Maxwell Medal from the London Institute of Physics for his work on supercontinuum generation in photonic crystal fibres.
Optical frequency combs in microresonators and associated dissipative solitons provide a compact, broadband, and low-noise light source and frequency measurement tool with consequences ranging from research to industry. While Kerr combs and dissipative Kerr solitons have attracted significant attention over the last decade, advances in integrated photonic platforms using materials with second-order nonlinearity have stimulated recent interest in dissipative quadratic solitons. Quadratic solitons engage researchers with rich physics and allow the generation of low-noise frequency combs in spectral regions that are otherwise difficult to access. In this talk I will discuss different kinds of combs and dissipative quadratic solitons, the experimental platforms that support their formation, and cover the underpinning physics and mathematical models. I will also summarise the new applications that these solitons offer.
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