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physics.optics2023
Quadruplets of exceptional points and bound states in the continuum in dielectric rings
Nikolay Solodovchenko, Kirill Samusev, Mikhail Limonov
In photonics, most systems are non-Hermitian due to radiation into open space and material losses. At the same time, non-Hermitianity defines a new physics, in particular, it gives…
physics.class-ph2023
Optical galleries of dielectric rings: antipode to whispering gallery modes
A. P. Chetverikova, M. S. Sidorenko, K. B. Samusev +2
A general picture of photonic eigenmodes of dielectric rings with a rectangular cross section is presented, which is fundamentally different from those of whispering gallery modes…