7 papers
Multi-dimensional parameter space of higher-order exceptional points induced by Brillouin optoacoustics
Grigorii Slinkov, Anton Montag, Julius T. Gohsrich +4
Exceptional points (EPs) are degeneracies in the spectrum of non-Hermitian systems, where both the eigenvalues and eigenvectors coalesce. In the vicinity of an n-th order EP, the e…
Higher-order exceptional points in a multimode continuum optoacoustic system
Anton Montag, Julius T. Gohsrich, Quentin Levoy +2
Exceptional points appear in non-Hermitian systems as degeneracies, where not only eigenvalues but also eigenvectors coalesce. They are of great theoretical and experimental intere…
From order to chaos in a chip-scale Kerr parametric oscillator
Luca O. Trinchão, Juan Diego Mazo-Vásquez, Miguel Nienstedt +13
Integrated photonics has enabled a wide class of chip-scale light sources and quantum technologies. Within this field, microresonator-based degenerate optical parametric oscillator…
An Algebraic Approach to Bifurcations in Kerr Ring and Fabry-Perot Resonators
Juan Diego Mazo-Vasquez, Julius T. Gohsrich, Flore K. Kunst +1
Nonlinear phenomena such as optical bistability and spontaneous symmetry breaking play a central role in Kerr resonators, and are increasingly exploited in photonic integrated circ…
Exceptional, but Separate: Precursors to Spontaneous Symmetry Breaking
Lewis Hill, Julius T. Gohsrich, Alekhya Ghosh +3
Spontaneous symmetry breaking (SSB) and exceptional points (EPs) are often assumed to be inherently linked. Here we investigate the intricate relationship between SSB and specific…
Solving Dicke superradiance analytically: A compendium of methods
Raphael Holzinger, Nico S. Bassler, Julian Lyne +3
We present several analytical approaches to the Dicke superradiance problem, which involves determining the time evolution of the density operator for an initially inverted ensembl…