In Focus: Ruoci Sun

R. Sun

R. Sun

About 80 scientists are united within our CRC to deal with wave phenomena. One of them is Ruoci Sun.

In December he joined our CRC as a postdoc in Xian Liao‘s Junior Research Group Nonlinear Helmholtz Equations. Despite the strict regulations he dared to come from Paris to Karlsruhe. We warmly welcome him!

And we would like to introduce him here with a short interview. Thank you for answering our curious questions…

Continue Reading →

Summer School 2020 “Computational Photonics”

Welcome and openingOpening of the Summer School 2020 “Computational Photonics” at KIT

We are glad having the opportunity oganising the Summer School as a hybrid event in these extraordinary times and saying hello personally to Sven Burger, Christin David, Lothar Nannen, Philipp Schneider and Barbara Verfürth. Due to travel restrictions our lecturers Andrei Laurynenka, Owen Miller and Ole Sigmund will provide their lectures online. More than 155 researchers have been registrated from all over the world and will join the Summer School on-site and online.

We are looking forward having a exciting, instructive and successful week.

Computational Photonics – Summer School 2020

From September 21-25, 2020 leading experts (see the list below) will speak about important concepts and recent developments in the field of computational methods. Our recent Summer School will be complemented by computer tutorials to provide insights into the implementation and performance of various algorithms. Have a look at the schedule. The summer school will be an online event due to the Covid-19 situation. We organize the event on-site but with a proper streaming of all the lectures and exercises. If the situation relaxes in September and the regulations will permit we do it as a hybrid event.

Continue Reading →

Waveguides – Modellansatz

H. Wind

Everybody has experimented with resonating frequencies in a bathtub filled with water. These resonant eigenfrequencies are eigenvalues of some operator which models the flow behavior of the water. Eigenvalue problems are better known for matrices. For wave problems, we have to study eigenvalue problems in infinite dimension. Like the eigenvalues for a finite dimensional matrix the spectral theory gives access to intrinsic properties of the operator and the corresponding wave phenomena.

Anne-Sophie Bonnet-BenDhia from ENSTA in Paris is in conversation with Gudrun Thäter about transmission properties in perturbed waveguides.  This is the third of three conversations recorded during the Conference on Mathematics of Wave Phenomena July 23-27, 2018 in Karlsruhe for the Modellansatz Podcast. Anne-Sophie is interested in wave guides: Optical fibers that can guide optical waves while wind instruments are guides for acoustic waves. Electromagnetic waveguides also have important applications.

Continue Reading →