Exceptional points and non-Hermitian photonics at the nanoscale
Exceptional points (EPs) arising in non-Hermitian systems have led to a variety of intriguing
wave phenomena, and have been attracting increased interest in various physical platforms …
wave phenomena, and have been attracting increased interest in various physical platforms …
Non-Hermitian Electromagnetic Metasurfaces at Exceptional Points.
Exceptional points are spectral singularities in non-Hermitian systems at which two or more
eigenvalues and their corresponding eigenvectors simultaneously coalesce. Originating …
eigenvalues and their corresponding eigenvectors simultaneously coalesce. Originating …
Measuring the knot of non-Hermitian degeneracies and non-commuting braids
Any system of coupled oscillators may be characterized by its spectrum of resonance
frequencies (or eigenfrequencies), which can be tuned by varying the system's parameters …
frequencies (or eigenfrequencies), which can be tuned by varying the system's parameters …