Zero-group-velocity point

A Sylvester equation approach for the computation of zero-group-velocity points in waveguides

Eigenvalues of parameter-dependent quadratic eigenvalue problems form eigencurves. The critical points on these curves, where the …

Bor Plestenjak, Daniel A. Kiefer, Hauke Gravenkamp

A Sylvester equation approach for the computation of zero-group-velocity points in waveguides